MERCER ISLAND RENTON SEATTLE-TACOMA INTERNATIONAL AIRPORT AND UNIVERSITY OF WASHINGTON

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SEATTLE-TACOMA INTERNATIONAL AIRPORT AND UNIVERSITY OF WASHINGTON

MERCER

ISLAND

• RENTON

• N

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1979

INTERNATIONAL IEEE/ AP-S SYMPOSIUM NATIONAL RADIO SCIENCE MEETING

BIOELECTROMAGNETICS SYMPOSIUM June 18 • 22, 1979

SCOPE OF MEETING

The 1979 International Symposium is sponsored by the IEEE Antennas and Propagation Society (AP-S); the National Radio Science Meeting is sponsored by the USNC/URSI Commissions indicated below, and the Bioelectromagnetics Symposium is sponsored by the Bioelectromagnetics Society and the USNC/URSI. The following·

commissions of USNC/URSI will participate in the meeting:

Commission A:

Commission B:

Commission C:

Comr'lission E:

Commission F:

Commission G:

Commission H:

Electromagnetic Metrology Fields and Waves Signals and Systems Interference Environment

Wave Phenomena in Non-

!on ized Media

!onospheric Radio Waves in Plasma

All topics of interest to the AP-S, URSI and Bioelectromagnetics Society will be covered.

The National Radio Science Meeting wi_ll include a Non-Linear Electromagnetics Symposium on June 21, 1979.

HOST ORGANIZATION

The meeting is being held in Seattle at the invitation of the Seattle Chapter of the IEEE AP-Sand the University of Washington.

STEERING COMMITTEE

I. C. Peden, Chairwoman R. J. Trainer J. C. Lambert T. L. Blakney A. lshimaru R.A. Sigelmann T.B.A. Senior W.L. Curtis A. W. Guy T. G. Dalby

. P.

L. E. Uslenghi V. B. Westburg

J. S. Yee H. M. Swarm

M. C. Vincent J. S. Medilch H. S. Burke D. K. Reynolds E. I. Wojtaszek C. K. Chou

TECHNICAL PROGRAM COMMITTEE National Radio Science Committee

T. B. A. Senior

&

A. !shimaru, Chairmen R. C. Baird

R. K. Crane.

G. A. Deschamps E. J. Fremouw

H. Kobayashi and R D. Martin D. Ilic

AD. Spaulding and J.M. Morris

A. W. Guy, Bioelectromagnetics Symposium P. L. E. Uslenghi, Non-Linear

Electromagnetics Symposium

AP-S Symposium

A !shimaru, Chairman R. Mittra

J. Apel R. Munson and G. Sanford

C. Baum R. Olsen

W. Boerner Y. Rahmat-Samii C. Butler D. Reynolds

· K. Casey R. Sigelmann W. Curtis R. Stone R. Du Hamel F. Tesche

V.

Galindo-Israel A. Villeneuve

E. Juli J. Wait

L. Lewin J. Yee

M. Ma C. Yeh

r

~c~tDULE OF BUSINJEii~~D SPECIAL

~

· MEETINGS

SUNDAY, JUNE 17

8:00 p.m. ANSI C95.4 Meeting: University Tower(Condon Room)

ONDAY, JUNE 18 - . - 5:00 p.m. Commission B Business

Meeting: Kane 120 5:00 p.m. Commission G Business

Meeting: HUB 309-A

5:30 p.m. Bioelectromagnetics Society Board Meeting: University Tower (Presidents Room) 6:30 p.m. Wave Propagation Standards

Committee Meeting: HUB 106-

B

8:00 p.m. H. Bremmer: Walker-Ames Lecture on Wave Propagation:

Kane120

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TUESDAY, JUNE 19

9:00 a.m. CCIR US Study Group Meeting Kane, Walker-Ames

12:00 -

12:30 p.m. AP-S "Meet your Ad Com"

Meeting: Kane 130 5:30-

6:30 p.m. Boarding for Salmon Bake on Blake !sland

WEDNESDAY, JUNE 20

12 noon Conference Luncheon: HUB Ballroom

2:30 p.m. Antenna Standards Committee Meeting: EEB 420

5:00 p.m. Bioelectromagnetics Society Membership Meeting: HUB Auditorium 112

5:30 p.m. Commission C Business Meeting: HUB 309-A 5:30 p.m. Commission F Business

Meeting: Kane 110 5:30 p.m. Commission H Business

Meeting: HUB 106-8 5:00 p.m. AP-S Local Chapter Chairmen's

Meeting: University Tower (Presidents Room)

5:30 p.m. AP-S AdCom Meeting:

University Tower (Condon Room)

THURSDAY, JUNE 21

12 noon URSI International Working Group Meeting on "Measure- ments Related to Interaction

of Electromagnetic Fields with Biological Systems:"

University Tower (Regents Room) 5:30 p.m. Commission A Business

Meeting: University Tower (Presidents Room) LOCATION OF SESSIONS

All technical sessions will be held in Kane Hall and the HUB (Student Union Building) on the campus of the University of Washington (see map):

AP-S: Kane Hall & HUB

URSI Commissions Band F: Kane Hall URSI Commissions C, E, G, and H: HUB Bioelectromagnetics Symposium: HUB Non-Linear Electromagnetics Symposium:

HUB FEES

Registration fees are as follows:

PRE-REGISTRATION (must be RECEIVED by May 25, 1979)

AP-S Symposium Member IEEE Non-Member IEEE

$55.00

$65.00

URSI - Meeting

Bioelectromagnetics Society Member BEMS

Non-Member BEMS Student/Retired

Any Multiple Registration - ADD

$55.00

$55.00

$65.00

$15

$15.00 LATE REGISTRATION (after May 25, 1979)

ADD $Vi.OO

Registration fees will be required from all participants including URSI officials, IEEE AP-S officials, session chairmen and authors.

The fee includes attendance at all sessions, refreshment breaks, shuttle bus and the digest for the conference for which the participant has registered. The digest is not included in the Student/Retired registration fee. Additional copies of the symposium digests will be available in the Lobby of Kane Hall.

REFUNDS

There will be no refunds after the cut-off date of May 25, 1979.

PRE-REGISTRATION

You are urged to pre-register by completing the enclosed registration form and mailing it with your check, made payable to the 1979 IEEE AP-S/URSI Conference, by May 25, 1979.

To help facilitate planning arrangements, please mail your pre-registration form as soon as possible.

REGISTRATION AT THE CONFERENCE Registration of ALL PARTICIPANTS will be at the University Tower Hotel from 6 to 9 p.m., Sunday, June 17, 1979. Registration will resume in the Lobby of Kane Hall at 7:30 a.m., Monday, June 18, 1979 and continue there during the remainder of the conference.

CONFERENCE OFFICE

The Conference Office will be located in Kane Hall, Room 112. The Bioelectromagnetic Conference Office will be HUB 209-A.

TELEPHONE/MESSAGES

The conference telephone number is (206) 543-4692. Messages will be posted on a bulletin board outside the Conference Office.

After Conference hours, in case of

emergency only, call (206) 362-0582.

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PROJECTION FACILITIES

Projection equipment available in the meeting rooms will be standard 35mm (carousel type) and vugraph overhead projectors. Persons needing other types of equipment should make special arrangements with:

Akira lshimaru (206) 545-1979

NOTE: Visual. aid materials should be prepared with clarity and visibility in mind.

Use oversize lettering and heavy lines. Be sure to number and identify visual aid materials. Speakers should meet session chairmen 15 minutes before scheduled start of session.

TRANSPORTATION TO UNIVERSITY OF WASHINGTON/SEATTLE

The University of Washington campus is 16 miles north of Seattle-Tacoma (Sea-Tac) Airport via Interstate 5 (see map}.

BY CAR:

Most car rental agencies have desks at Sea-Tac; it is advisable to reserve a car well in advance through your local rental agency.

To drive to the University area, follow the airport siQns, "To FREEWAY," "To SEATTLE 1-5," and then "NORTH SEATTLE." Drive north on 1-5 through downtown Seattle approximately 16 miles to exit No. 169 (NE 45

& NE 50th Streets--University of Washington).

Turn left over overpass to Sherwood Inn; turn right on NE 45th Street for all other motels and University of Washington campus.

BY BUS:

Hustlebus

service is available at the airport to downtown Olympic Hotel for a charge of $3 one-way, departing every 20 minutes between 5 a.m. and 9 p.m. Taxi and metro service (see below) is available from the Olympic Hotel to the University area.

Metro

(city) buses leave the airport for downtown at least once an hour between 5 a.m. and midnight; there is more frequent service from downtown to the University area.

The cost from the airport or downtown is

$0.60.

From airport to downtown (3rd

&

Union-- one block from Olympic Hotel): take bus No.

174.

From downtown to University area: take No. 7, 8, 71, 72, or 73.

Depart bus at 41st

&

University Way NE for University Campus.

Depart bus at 45th & University Way for University Tower Hotel.

Schedules are posted at each ~us stop.

BY TAXI:

Taxi fare from the airport to downtown is about $12; from the airport to the University area, about $15.; and from downtown to the University area, about $4.50.

PARKING

Limited parking is available in the Visitor Parking Garage (entrance at NE 41st & 15th NE, see map) at $1.25 per day. People are encouraged to walk or take the shuttle bus.

For parking at motels and dormitories, see accommodations below.

SHUTTLE SERVICE

Conference shuttles will bus meeting participants free of charge mornings and evenings between the motels listed below and the meeting locations. A conference shuttle service schedule will be available at registration and at the motels on the shuttle bus routes. The shuttle will operate during·

the Sunday registration period.

Sherwood Inn University Inn University Tower Hotel University Residence Hall

ACCOMMODATIONS

Blocks of rooms have been reserved at special conference rates both at convenient hotels arid motels and at the residence halls on the University campus. Most of the off- campus rooms are within 1

½

miles of the campus; however, several of the motels are at distances of up to 8 mile from the campus.

Since shuttle bus transportation can be provided

only

between the campus and the closer-in motels, an effort will be made to place attendees without cars at those motels.

Off-Campus Accommodations

The off-campus accommodations are roughly equivalent in nature and price.

Approximate rates are $32.00 for singles and

$36.00 for doubles per day. A non-refundable deposit of $35.00 is required for each reservation. The first night of each reservation will be guaranteed. Parking is available at no charge at all hotels/motels.

On-Campus Accommodations

Double (twin) occupancy rooms and single

rooms, all with community bathroom

facilities, are available with full linen service

(beds made initially only and two towels

exchanged once). Coin-operated automatic

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washers and dryers are conveniently located, and a local service telephone is provided in each room. Parking is available, both on surface lots and in limited covered areas, at a fee of $2.50 for the week, payable at check-in.

There are no facilities for children in the residence halls.

The room rate--single, $55 per person if available; double (twin), $42.50 per person--is based on five nights occupancy and assumes·

check-in on June 17, and check-out noon on June 22, 1979 with no credit for shorter occupancy. A non-refundable deposit of

$35.00 is required tor each reservation and the balance of the tee is payable upon arrival.

Check-In:

Residence hall check-in will be at the McCarty Conference Center (see map) between 7:00 a.m. and 10:30 p.m.; you should plan to arrive at the airport no later than 9 p.m.Jf you must arrive in Seattle at a later hour, please notify the Housing Committee as soon as possible before the Conference so that arrangements can be made.

Housing Committee:

R. A. Sigelmann Electrical Engineering, FT-10

University of Washington Seattle, WA 98195 Telephone: (206) 543-2677

Reservations

To obtain a reservation at either on- or off.

campus facilities, return the enclosed housing registration form before May 25, 1979 and a reservation will be placed in your name by the Housing committee. A confirmation will be sent by return mail and your deposit will be transferred via Symposium accounts to 'the hotel/motel or residence hall.

Other Accommodations

Other accommodations are available in the Seattle and suburban areas if you wish to make your own reservations. These hotels are generally 5 to 10 miles (10 to 25 minutes) from the University campus.

MEALS

Breakfast and lunch will be available on a cash basis in the cafeterias located in the Undergraduate Library and the HUB. All meals are "on your own."

There are also many small restaurants within a halt-mile of the University, especially on University - Way (one block west of campus). A list of these restaurants will be posted near the Conference Office.

WEATHER

Seattle weather in June is moderate, with the average temperature during the day about 65° F and chance of rain. Bring a raincoat!

Evenings are cool and breezy, and warmer clothing may be required, particularly for those who elect to attend the Blake Island event.

SPECIAL EVENTS

Monday, June 18th - Special Bremmer Lecture

Dr. Hendricus Bremmer has received the special honor of being selected as Walker - Ames Professor in the Department of Electrical Engineering at the University of Washington. This professorship allows the University to bring to the campus distinguished scholars and scientists from both the United States and abroad. In his capacity as Walker - Ames Professor, Dr.

Bremmer will deliver a public lecture on wave propagation problems on Monday evening, June 18, at 8:00 p.m. at Kane Hall, Room 120.

Conferees are cordially invited to attend.

Tuesday, June 19th - Blake Island Cruise

The primary social event of the Symposium is the cruise to Blake Island for dinner on Tuesday evening, June 19th. Cruise boats will depart from the University Oceanography Dock and travel through Lake Washington Ship Canal and Government Locks into Puget Sound to Blake Island. The narrated cruise will take approximately 90 minutes and no- host cocktail service will be available on the boats. After appetizers of clams and clam nectar, an authentic Makah-lndian baked salmon dinner will be served followed by an exhibition of Northwest Indian dancing. The return cruise to Seattle features a 45 minute harbor tour with final transportation via conference shuttle bus to the University-area hotels and campus parking lots.

Wednesday, June 20th - Opening of the Plenary Session

Opening remarks will be made by the Provost, Dr.

GeorQe Beckmann of the University of Washington and Director of Engineering Technology, Mr. Iva,.

Stampalia of the Boeing Aerospace Company.

Wednesday, June 20th• Conference Luncheon

A conference luncheon will be held at 12:00 noon for attendees and guests in the HUB Ballroom.

Tickets are $5.00 per person and should be included as part of the advanced registration fees.

Featured speaker will be Mr. Ralph H. Nansen, Manager of Space Solar Power Systems, Boeing

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Aerospace Company. The title of his talk is "~olar Power Satellites: A Viable Energy Option."

Thursday, June 21st - Boeing 747/767 Plant Tour Special tours of Boeing's 747/767 manufacturing plant have been arranged for Conference attendees and families on Thursday, June- 21st. The walk- through tours will feature the 747 Jumbo Jet major component and final assembly areas and a mockup of the 767, Boeing's next generation wide body, fuel efficient airplane. Sign up sheet for the tour and further details will be available at the registration desk during the conference.

Thursday, June 21st - Chinese Gourmet Dinner

A Chinese gourmet dinner will be organized for Thursday, June 21st at 7:00 p.m. Tickets are $12.00 per person and should be included with the advanced registration fee.

FAMILY ACTIVITIES

Special activities will be arranged for family members accompanying conferees.

These may include shopping tours, sightseeing trips, and boat trips. To assist our advance planning, please indicate under

"comments" on the Advance Room Reservation Form the number of family members who will be accompanying you.

Information and arrangements for the family activities can be obtained on arrival at the registration desk.

For Information regarding travel and vacationing in Washington State, write to:

Seattle· King County Convention and Visitors Bureau 1815 Seventh Avenue Seattle, Washington 98101 206-447-7273

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TECHNICAL PROGRAM

MONDAY MORNING JUNE 18

AP-S SESSION 1 Monday 8:30 -12:00 a.m.

Kane Hal I 130

ARRAY SYNTHESIS M. T.Ma National Bureau of Standards

Boulder, CO

1. Pattern Synthesis of Wullenweber Type Antenna with a Director. G. Sato and H. Kawakami, Sophia Universitv.

Tokyo, Japan and K. Hasegawa, Sony Tektronix Co. Ltd, Tokyo, Japan

2. On the Design of Traveling-Wave-Fed Longitudinal Shunt Slot Arrays, R. S. Elliott, University of California, Los Angeles, CA

3. A Pattern Synthesis Method with Low Sidelobes over a Wide Frequency Range. K. Hidaka, Toshiba Research and Development Center, Kawasaki, Japan

4. Subarraying Feeds for Low Sidefobe Scanned Arrays.

R. J. Mailloux, Rome Air Development Center, Bedford, MA

5. Pattern Synthesis of Array Antenna Mounted on a Circular Conductor. T. Chiba and Y. Suzuki, Toshiba Corporation, Kawasaki, Japan

6. Results of an Exact Dome Antenna Synthesis Procedure, L. Susman and H. Mieras, Sperry Research Center, Sudbury, MA

7. A Synthesis of Circular Arrays by Taking Account of the Excitation Circuit, F. Watanabe and N. Goto, Tokyo Institute of Technology, Tokyo, Japan

8. Taylor-Type Amplitude Distribution for Circular Arrays, V. Mangulis, RCA Laboratories. Princeton, NJ 9. An Iterative Approach for Computing an Antenna

Aperture Distribution from Given Radiation Pattern Data, R. J. Marhefka, E. L. Pelton and W. D. Burnside, The Ohio State University, Columbus, OH

10. Arrays of Broadwall Shunt Slots in Rectanautar Waveguides, B. Rull, Raytheon Company, Bedford, MA and A. Hessel, Polytechnic Institute of New York, Farmingdale, NY

SESSION B-1 Monday 8:30 · 12:00 a.m.

Kane Hall 120 HIGH FREQUENCY SCATTERING

Chairman: Y. Rahmat-Samii Jet Propulsion Lab.

Pasadena, CA

1. Application of the Uniform GTD to the Diffraction by an Aperture in a Thick Screen, R. Tiberio. Universitv of Florence, Florence, ITALY and R. G. Kouyoumjian. The Ohio State University, Columbus, OH

2. High Frequency Electromagnetic Fields on Perfectly ConductinQ Concave Surfaces, E. Topuz and L. B.

Felsen, Polytechnic Institute of New York, Farmingdale, NY

3. Scattering by Resistive Strips, T. B. A. Senior, The University of Michigan, Ann Arbor, Ml

4. Ray-Optical Theory of Coupling between and Radiation from Adjacent Parallel Plate Waveguides, P. F. Driessen and E. V. Juli, University of British Columbia, Vancouver, B.C., Canada

5. Edge Currents on Rectangular Plates, V. V. Liepa, The University of Michigan, Ann Arbor, Ml

6. Scattering from a Corner Formed by Two Line Elements, K. M. Mitzner and S. A. Sloan, Northrop Corporation, Hawthorne, CA

7. Radiation from Sources on Smooth Convex Surfaces with Edges • a Spectral Domain Approach, S. Safavi- Naini and R. Mittra, University of Illinois, Urbana, IL

8. Evanescent Wave Tracking in a Slab Waveguide with Transverse and Longitudinal Refractive Index Variation G. Jacobsen and L. B. Felsen, Polytechnic Institute of New York, Farmingdale, NY

9. On the Asymptotic Theory of Inhomogeneous Wave Tracking and its Relevance to the Inverse Scattering of Gaussian Beams, P. Elnziger, The Technion•ISr"Z.el Institute of Technology and S. Rez, The Technion-Israel Institute of Technology, Currently on Sabbatical Leave at the University of Houston, Houston, TX

10. GTD Analysis of the Near-Field Patterns of Pyramidal Horns, J. S. Narasimhan and K. Sudhakar Rao, Indian Institute of Technology, Madras, INDIA

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SESSION F-1

Monday 8:30 • 12:00 a.m.

Kane Hall 110

SCATTERING BY TURBULENCE Chairman: T.E. Vanzandt

National Oceanic and Atmospheric Administration Boulder, CO

1. Precision at Tropospheric/Stratospheric Wind Measurements, N. J. Chang, SRI International, Menlo Park, CA

2. Continuous Measurement of Upper Atmospheric Winds and Turbulence Using a VHF Doppler Radar: Preliminary Results, W. L. Ecklund, D. A. Carter, and B. B. Balsley, National Oceanic and Atmospheric Administration, Boulder, CO

3. Radar Measurements of the Vertical Component of Wind Velocity in the Troposphere and Stratosphere. V. L.

Peterson, Centennial Sciences, Inc., Colorado Springs, CO, B. B. Balsley, National Oceanic and Atmospheric Administration, Boulder, CO

'4. Early Results from the Poker Flat MST Radar, B. B.

Balsley, W. L. Ecklund, D. A. Carter, P. E. Johnston, National Oceanic and Atmospheric Administration, Boulder, CO

5. High Resolution Wind Measurements Using High Power Radar at Kwajalein, A. K. Crane, Environmental Res~arch and Technology, Concord, MA, G. Weiffenbach, M.!.T.

Lincoln Laboratories, Lexington, MA

6. An Improved Model for the Calculation of Profiles of Mean Turbulence Parameters from Background Profiles

j

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of Wind, Temperature, and Humidity, T. E. Vanzandt, K. S. Gage, and J. M. Warnock, National Oceanic and Atmospheric Administration, Boulder, CO

7. Measurements of the Phase Structure Function at 35 GHz on a 28-KM Path, R. R. Rogers, McGill University, Montreal, Quebec, R. W. Lee and A. T. Waterman, Stanford University, Stanford, CA

8. Comstar and CTS Angle of Arrival Measurements, R. A.

Baxter, D. M. J. Devasirvatham, and D. B. Hodge, The Ohio State University ElectroScience Laboratory.

Columbus, OH

9. Simultaneous Measurements of Angular Scattering and Intensity Scintillation in the Atmosphere, W. A. Coles and R. Frelich, University of California at San Diego, La Jolla, CA

10. Effect of Meteorological Variables on Radiometric Sensing of Atmospheric Temperature, P. Bas iii, P. Ciotti, and D. Solimini, Universita di Roma, Rome, ITALY

COMBINED SESSION C/E Monday 8:30 - 12:00 a.m.

HUB Room 106B

TELECOMMUNICATION SYSTEMS IN NON-GAUSSIAN ENVIRONMENTS

Chairman: J.M. Morris Naval Research Laboratory

Washington, D. C.

1. Asymptotic Performance of Nonlinear Oem_odulators in Impulsive Noise, D. F. Freeman, GTE Sylvania, Needham Heights, MA

2. Estimation of Mean and Standard Deviation from Quantiles in Interference Modeling, D. B. Sailors, Naval Ocean Systems Center, San Diego, CA

3. Robust Signal Detection for Asymmetric Departures from the Gaussian Noise Density, S. A. Kassam and J. G.

Shin, University of Pennsylvania, Philadelphia, PA

4. Antenna Superresolution Revisited, R. L. Fante and R. V.

McGahan, RADC, Hanscom AFB, MA

5. High Frequency Communications Enhancement Study Using Spatial Filtering Techniques, P. M. Hansen_ and G. J. Brown, Naval Ocean Systems Center, San Diego, CA

6. Effects of High-Order Phase Errors on Synthetic- Aperture Radar Performance, W. D. Brown, Sandia Labs, Albuquerque NM

7. A Demodulation Method for Use in Computer Simulation of Communication System Characteristics, J. M. Kelso, Honeywell, Inc., Annapolis, MD

8. Higher-Order Data Processing Algorithms Realizable in Optics, F. P. Carlson, Oregon Graduate Center, Beaverton, OR, and R. E. Francois, Jr., Lincoln Labs, Lexington, MA

9. Measurement ot Signal Strengths Transmitted by a Portable VLF Antenna al 3.125 kHz, R. J. Dinger, W. D.

Meyers and J. A. Goldstein, Naval Research Lab, Washington, D.C.

MONDAY AFTERNOON, JUNE 18

AP-S SESSION 2(a)

Monday 1 :30 - 5:00 p.m.

V.

Kane Hall 130

REFLECTOR ANTENNAS: ANALYSIS AND S\'MTHESIS Chairman: V. Galindo-Israel

Jet Propulsion Laboratory Pasadena, CA

1. Open Mast Scattering Investigation C. E. Ryan, Jr. and E. E. Weaver, Georgia Institute of Technology, Atlanta, GA

2. Feed Strut Scattering Analysis for Wide Angle Sidelobes, S. H. Lee, R. C. Rudduck, W. D. Burnside and N. Wang, Ohio State University, Columbus, OH

3. A Method for Pattern Calculation for Reflector Antennas Whose Geometry Is Described by

a

Finite Number of Discrete Surface Points, P. K. Agrawal*, J. F. Kauffman**

and W. F. Croswell*

'NASA Langley Research Center, Hampton, VA

• ·North Carolina State University

4. GTD Analysis ot Reflector Antennas with General Rim Shapes, R. C. Rudduck, S. H. Lee and W. D. Burnside, Ohio State University, Columbus, OH

5. Eflects of Secondary Diflractions in the Radiation Pattern of the Paraboloid, P. Brachat and P. F. Combes, Universite Paul Saba tier, Toulouse, France

6. Shapings of Dual-Reflector Antenna Systems, C. Donn, Martin Marietta Aerospace Co., Denver, CO

7. Efficient Design of Offset Dual Shaped Reflectors for Antenna and Beam Waveguide Applications, A. G. Cha and V. Galindo-Israel, Jet Propulsion Lab, Pasadena, CA and R. Mittra, University of Illinois, Urbana, IL (Consult- ant to JPL)

8. Subreflector and Main Reflector Shaping for Beam Track- ing Offset Antennas, C. J. Sletten, Solar Energy Technol- ogy, Inc., Bedford, MA

9. Tri-Reflector Antennas with No Cross-Polarized Com- ponent, T. Kitsu,regawa, M. Mizusawa, M. Yamasaki and T. Katagi, Mitsubishi Electric Corp., Kamakura-City, Japan

10. New Class of Horn Paraboloids, C. G. M. van 't Klooster, Physics Lab TNO

1 The Hague, The Netherlands'. and V. J.

Vokurka, Eindhoven University of Technology, E1ndhoven, The Netherlands

AP-S SESSION 2(b) Monday 1 :30 - 5:00 p.m.

Kane Hall 210

PART I: MICROSTRIP ANTENNA (THEORETICAL)

Chairman: L. Lewin

University of Colorado Boulder, CO

1. A Modal Expansion Theory for the Microslrip Antenna, K. R. Carver, New Mexico State University, Las Cruces, NM

2. An Analysis on Current Excitation of a Circular Resonant Microstrip Disk, R-S. Chu and S-S. Wang, Hughes Aircraft Company, Fullerton, CA

3. Input Impedance of a Circular Microslrip Disk Antenna:

Analytical Study and Comparison with Experiment, S.

Yano and A. lshimaru, University of Washington, Seattle, WA and J. Yee, The Boeing Aerospace Company, Seattle,

WA

4 . . An Improved Theory for Microstrip Antennas and App_li- cations, W. F. Richards and Y. T. Lo, University of lll1no1s, Urbana, IL

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5. Design and Theory of Circularly Polarized Micros trip An- tennas, W. F. Richards, Y. T. Lo and P. Simon, University of Illinois, Urbana, IL

PART 11: MICROSTRIP ANTENNA (EXPERIMENTAL) Chairman: R. E. Munson

Ball Brothers Research Corporation Boulder, CO

1. Microstrip Antenna, Design Equations, M. Kaloi, Pacific Missile Test Center, Point Mugu, CA

2. Increasing the Beamwidth of a Microstrip Radiating El- ement, G. G. Sanford, Ball Aerospace Systems Division, Boulder, CO and L. Klein, Transportation Systems Cen- ter, Cambridge, MA

3. A Dual Beam Low Sidelobe Microstrip Array, S. W. Bartley and D. A. Heubner, Hughes Aircraft Company, Canoga Park, CA

4. Franklin-Type Microstrip Line Antenna, S. Nishimura, K.

Nakano and T. Makimoto, Osaka University, Osaka, Japan

5. Theory of the Input Behavior of a Dielectric-Filled Edge- Slot Antenna, D. L. Sengupta and L. F. Martins-Camelo, University of Michigan, Ann Arbor, Ml

6. Series-Fed, Dielectric-Filled, Edge-Slot Antennas, D. H.

Schaubert and H. S. Jones, Jr., Harry Diamond Labor- atories Adelphi, MD

AP-S SESSION 2(c) Monday 1:30 · 5:00 p.m.

Kan~ Hall 220 NUMERICAL TECHNIQUES

Chairman: T. K. Liu LuTech, Inc.

Berkeley, CA

1. NEC - Numerical Electromagnetics Code for Antennas and Scattering, G. J. Burke and A. J. Poggio, Lawrence Livermore Lab, Livermore, CA J. C. Logan and J. W.

Rock way, NOSC, San Diego, CA

2. Triangular Patch Modeling of Arbitrary Bodies• An Elec- tric Field Integral Equation Approach for Both Open and Closed Bodies, D. R. Wilton, S. S. M. Rao and A. W.

Glisson, University of Mississippi, Universi~; MS

3. Scattering from Thin Plates and Finite Curved Surfaces, L. N. Medgyesi-Mitschang, McDonnell Douglas Research Labs, St. Louis, MO

4. Surface-Patch Modeling of Scatterers of Arbitrary Shapes, J. J. H Warig and C. Papanicolopulos, Georgia Institute of Technology, Atlanta, GA

5. Junction Treatment for BOA-Wire Geometries, J. F.

Shaeffer and L. N. Medgyesi-Mitschang, McDonnell Douglas Research Labs, St. Louis, MO

6. A Unified Theory for Thin Wire Antennas of Arbitrary Length, D. C. Chang and L. Rispin, University of Color- ado, Boulder, CO

7. On the Solution to Pocklington's Equation for Antennas Printed on Grounded Substrates, N. G. Alexopoulos and I.E. Rana, University of California, Los Angeles, CA

8. Investigation on New Green's Functions for Numerical Solution of Field Problems, L. Shafai and K. A. lskander, University of Manitoba, Winnipeg, Canada

9. Asymptotical Expansions for Rapidly Varying Integrands, J. R. Mosig, Ecole Polytechnique Federale, Lausanne, Switzerland

t0. A Diffraction Coefficient for a Cylindrically Truncated Planar Surface, C. D. Chuang and W. D. Burnside, Ohio State University, Columbus, OH

SESSION B-2 Monday 1 :30 - 5:00 p.m.

Kane Hal I 120 WAVES IN RANDOM MEDIA I

Chairman: D. deWolf RCA David Sarnoff Lab

Princeton, NJ

1. Depolarization and Scattering of Electromagnetic Waves by Irregular Boundaries for Arbitrary Incident and Scatter Angles•· Full Wave Solutions, E. Bahar and G. G. Rajan, University of Nebraska, Lincoln, NE

2. Scattering and Absoprtion Spectra for Platelike Hydro- meteors, H. Weil and C. M. Chu, University ol Michigan, Ann Arbor, Ml

3. Near-Forward Multiple Scattering by a Random Slab of Large Particles, E. A. Maroul, Stanlord University, Stan- ford, CA and University of Alexandria, Alexandria, Egypt

4. Effects of Anisotropic Irregularities on Phase Scintil- lations, R. Woo and~. W. Armstrong, Jet Propulstion Lab, Pasadena CA

5. High-Altitude Turbulence Measurements for Optical Propagation Predictions, C. A. Levis and J. P. Seralin, Ohio State University, Columbus, OH

6. Detection Effects on Higher Order Statistics of Light Fluctuations Due to Atmospheric Turbulence, A.

Consortini and L. Ranchi, Institute di Ricerca sulle Onde Elettromagnetiche of CNR, Firenze, Italy

7. Resolution Through the Atmosphere of Optical Adaptive Systems, A. Consortini, F. Pasqualetti and L. Ranchi;

lstituto di Ricerca sulle Onde Elettromagnetiche of CNR, Firenze, Italy

8. Backscattered Puls·e Shape Due to Small-Angle Multi- ple Scattering from a Slab of Random Medium, K. J.

Painter and A. lshimaru, University of Washington, Seattle. WA

COMBINED SESSION AP-S/F-2 Monday 1:30 · 5:00 p.m.

Kane Hall 110

JOHN W. WRIGHT MEMORIAL SESSION

ON RADIO OCEANOGRAPHY

6

Chairman: C. T. Swift

~Re:::·~

V,

NASA Langley Research Center ~

Hampton, VA

1. Introduction, C. T. Swift, NASA Langley Research Center, Hampton, VA

2. Review of Collaborative Efforts with Jack on Ocean Sur- face Physics and Radar Return, 0. H. Shemdin, Calif- ornia Institute ol Technology, Pasadena, CA

3. Remote Sensing of the Air-Water Interface: The Legacy of John W. Wright, W. J. Plant and W. C. Keller, U.S.

Naval Research Laboratory, Washington, D.C.

4. SAR Imaging of the· Ocean Surface • an Asymtolic Eulerian Formulation, G. R. Valenzuela, Naval Research Laboratory, Washinton, D.C.

S. Electromagnetic Scattering Patterns from Sinusoidal Surfaces, A. K. Jordan and R. H. Lang, Naval Research Laboratory, Washington, D.C.

6. Tank Measurements of Radar Return from Oil-Covered and Raindrop Impacted Water, R. K. Moore, A. K. Fung, G. J. Dome, K. Soofi and Y. S. Kim, The University of Kansas, Lawrence, KA

7. Modulation of Radar Backscatter by Ocean Waves, W. L.

Jones and A. E. Cross, NASA Langley Research Center, Hampton, VA and W. J. Plant and W. C. Keller, Naval re- search Center, Washington, D.C.

(11)

I

l

8. Aircraft Radar Doppler Spectrometer and Dual Frequen- cy Backscatter Wave Spectrometer for the Measurement of Ocean Surface Spectrum, D. E. Weissman, Hofstra University, Hempstead, NY and J. W. Johnson, NASA Langley Research Center, Hampton, VA

SESSION C-1 Monday 1 :30 · 5:00 p.m.

HUB 106B

HIGH TIME-BANDWIDTH PRODUCT SIGNALS:

THEORY AND APPLICATIONS Chairman: R. Price Sperry Research Center

Sudbury, MA

1. Reduction of Out-of-Band Splatter of Pseudonoise Spread Spectrum, C. R. Cahn, Magnavox Government and In- dustrial Electronics Company, Torrance, CA

2. Design and Application of Large Time-Frequency Coded Signal Sets, G. R. Cooper, Purdue University, W. Lalay- ette, IN

3. Large Time-Bandwidth P.roduct Signals for Spread- Spectrum Multiple-Access Communications, M. B.

Pursley, UniversilY. of Illinois, Urbana, IL

4. Pseudo-Noise Matched Filters in Adaptive Arrays, M. P.

Ristenbatt and E. K. Holland-Moritz, University of Mich- igan, Ann Arbor, Ml

5. Surface-Acoustic-Wave Convolvers for Processing Spread-Spectrum Signals, R. C. Williamson, Lincoln Laboratory, Lexington, MA

6. Applications of Chirp Transform Networks Based on Large TB Saw Reflective Array Filters, T. W. Bristol, Hughes Aircraft Company, Fullerton, CA

7. Chebyshev-Low Pulse Compression Sidelobes Via a Nonlinear FM, R. Price, Sperry Research Center, Sud- bury, MA

SESSION G-1 Monday 1 :30 • 5:00 p. m.

HUB 309-A

DIAGNOSTICS, EFFECTS, AND MODIFICATIONS OF THE IONOSPHERE

Chairman: E. J. Fremouw Physical Dynamics Inc.

· Bellevue, WA

1. ·Which Ionospheric Parameters can we Really Measure with Incoherent Scatter Radar? J. 8. Hagen, National Astronomy and Ionosphere Center, Arecibo, Puerto Rico 2. Long-Term Observations of Polar D-Region Ionization, W. J. Helms, University of Washington, Seattle, WA.

A. S. Chandler, John Fluke Manufacturing Company, Mountlake Terrace, WA

3. Backscatter Inversion in Spherically Asymmetric Ionosphere, R. E. DuBroff, Phillips Petroleum Company, Bartlesville, OK N. N. Rao and K. C. Yeh, University of Illinois at Urbana-Champaign, Urbana, IL

4. Specific Properties of Backscattering of Radio Waves on Magneto-Oriented lonospherical lrregularites at Frequencies below Critical Frequency, S. A. Namazov, Institute of Radioengineering and Electronics, Moscow, USSR, Yu. A. Kravtsov, The Moscow Lenin State Teacher's Training Institute, USSR.

5. Effects of Magnetospheric Oistrubances on the Geoelectric Field in Sub-Auroral Regions and its Inter- action with HV-DC/AC Electrical Power Lines, W-M.

Boerner, U.1.C.C., Chicago, IL and University of Manitoba, Winnipeg, Canada, J. Cole, U.I.C.C., Ch_icago, IL, D.E.

Olson, University o( Minnesota, Duluth, MN, W. A.

Goddard, D. H. Hall, University of Manitoba, Winnipeg, Canada

9

6. An Update of the Program to Assess the Impact of the Operation of the Satellite Power System, C. M. Rush, U.S. Department of Commerce, Boulder, CO

ADAPTIVE

TUESDAY MORNING JUNE19

AP-S SESSION 3 Tuesday 8:30 -12:00 a.m.

Kane Hall 130 TECHNIQUES AND SYNTHETIC

RADAR Chairman; W.R. Stone

Megatek Corp.

San Diego, CA

APERTURE

1. Element Placement for Adaptive Satellite Antenna Arrays, M. L. Burrows, M.I.T. Lincoln Laboratory, Lex- inton MA

2. A Technique for Measuring the Bandwidth Character- istics of Adaptive Nulling Antennas, J. T. Mayhan, M.l.T.

Uncoln Laboratory, Lexington, MA

3. Phase-Only Adaptive Nulling with Discrete Values, E.

Mendelovicz, E. T. Oestreich, Hughes Aircraft Co., Canoga Park, CA

_4. A Retrodirective System Utilizing an Interferometer Receive Array, J. A. Kaiser, Jr., Goddard Space Flight Center, Greenbelt, MD

5. Maximum Entropy Spacial Resolution Adaptive Array, W. F. Gabriel, Naval Research Laboratory, Washington, DC

6. Some Examples of How Wave Polarization and Sur•

face Discontinuities Influence Microwave Holographic Imaging, G. Tricoles, E. L. Rope," and R. A. Hayward, General Dynamics Electronics Division, San Diego, CA

7. Synthetic Aperture Radar with Elevation-Plane Scanned Antenna Beam for Wide Swath Coverage, K. Tomiyasu, General Electric Company, Philadelphia, PA

8. First Experimental Results from the Valley Forge Radio Camera Program, 8. D. Steinberg, University of Pennsyl- vania, Philadelphia, PA

9. An Experimental Nonlinear Adaptive Array, M. Pelletier, G. Y. oe1isle, and J. A. Cummins, Laval University, Quebec, Canada

10. An Experimental Demonstration of Pulse Compression Antennas, P. J. Steinbach, American Electronic Labor- atories, Inc., Lansdale, PA P. Van Etten, Rome Air Development Center, Griffiss AFB, NY

SESSION B-3 Tuesday 8:30 -12:00 a.m.

Kane Hall 120 ANTENNAS I (ARRAYS)

· Chairman: K. G. Bal main University of Toronto

Toronto, Canada 1. Linear Array Synthesis Using Prony's Method

E. K. ·Miller and G. J. Burke, University of California, Uvermqre, CA

2. An Array Thinning Techniqe, D. Y. Ho and B. D. Steinberg, University of Pennsylvania, Philadelphia, PA

3. On the Current Distribution on Printed Parasitic Thin Wire Arrays, I. E. Rana and N. G. Alexopoulos, University ot California, Los Angeles, CA

4. Analysis of a Phased Array of Dipoles Printed on Peri- odic Dielectric Slabs Over a Ground Plane, R. S. Chu, Hughes Aircraft Company, Fullerton, CA and S.S. Wang, The Aerospace Corporation, El Segundo, CA

(12)

5. Periodic-Structure-Ray Approach to Analysis of Arrays on Concave Surfaces, H. Ahn, B. Tomasic and A. Hessel, Polytechnic Institute of New York, Farmingdale, NY

6. Currents on a Yagi Structure of Inclined Dipoles, W. K.

Kahn, Naval Research Laboratory, Washington, D.C.

7. Resonance Phenomena on Yagi Arrays, J. M. Tranquilla, University of New Brunswick, Fredericton, Canada and K. G. Bal main, University of Toronto, Toronto, Canada

8. Analysis of the Loop-Coupled Log-Periodic Dipole Array, J.M. Tranqui11a, University of New Brunswick, Frederic- ton, Canada and K. G. Balmain, University of Toronto, Toronto, Canada

9. The Influence of a Borehole on the Mutual Impedance of an Array of Coplanar Loops, R. G. Olsen and N. A.

Sanford, Washington State University, Pullman, WA

1 O. An Analysis of the Mutual Coupling Between Antennas on a Smooth Convex Surface, P. H. Pathak and N. N.

_Wang, The Ohio State University, Columbus, OH

SESSION F-3 Tuesday 8:30 · 12:00 a.m.

Kane Hal I 110 PROPAGATION WITHIN THE EARTH

Chairman: R. G. Olsen Washington State University

Pullman, WA

1. Remote Sensing of Dielectric Medium, S. Coen and K.

Mei, University of California, Berkeley, CA

2. Electromagnetic Scattering from an Earth with a Buried Cylindrical Inhomogeneity, S. F. Mahmoud, Cairo University, Giza, Egypt and S. M. Ali, Military Technical College, Cairo, Egypt.

3. Induction Sounding Response of Finite Buried Conduct- ing Models, E. A. Quincy and M. M. Rahman, University of Wyoming, Laramie, WY and J. H. Richmond, Ohio State University, Columbus, OH

4. In Situ Microwave Measurements of Lossy Dielectrics, R. J. King, C.D. Kim and J. B. Beyer, University of Wisconsin, Madison, WI

5. Electromagnetic Response of Ore Deposits, M. Cauter- man, P. Degauque and R. Gabillard, Lille University.

Villeneuve d'Ascq, France

6. An Improvement on a Microwave Technique to Locate Economically Producible Hydrocarbons in a Drill Hole G. S. Huchital, Schlumberger-Doll Research Centrer, Ridgefield, CT

7. Comparison of Loop and Dipole Antennas in Leaky Feeder Communication Systems, D. A. Hill and J. R.

Wait, U.S. Department of Commerce, Boulder, CO

8. Bounding the Propagation Characteristics of TEM Modes in Tunnels of Arbitrary Shape, D. L. Jaggard and M. F. lskander, University of Utah, Salt Lake City, UT

9. Surface Transfer Impedance of a Loosely Braided Co·

axial Cable, R. S. Tamar and A. Paul, Indian Institute of Technology, Kanpur, India

10. Reconstruction Algorithms for Geophysical Applications in Noisy Environments, R. D. Radcliff and C. A. Balanis, West Virginia University, Morgantown, WV

SESSION C-2 Tuesday 8:30 -12:00 a.m.

HUB 106B

NEW SATELLITE SYSTEMS FOR THE BO'S AND BEY ONO Chairman: H. Staras

~R.).1-

RCA Laboratories

~ Princeton, NJ

10

1. Large Active Satellite Antennas Based on Solar-Micro- wave Array Technology (SMART), F. Sterzer, RCA Labor- atories, Princeton, NJ

2. The Effects of Rain Attenuation on 18130 GHz Commun- ications Satellite Systems, D.O. Reudink, Bell Labor- atores, Holmdel, NJ

3. Some Factors that influence EHF Satcom Systems, L. J. Ricardi, MIT Lincoln Laboratory, Lexington, MA

4. Large Aperture Solid State Antenna for Space-Radar, D. Stai man, RCA, Moorestown, NJ

5. A Closed Form Solution to the Problem of Adaptive Jammer Nulling, H. Waldman, RCA Laboratories, Princeton, NJ

6. Global Planning in the Fixed-Satellite Service, H. J.

Weiss, COMSAT, Washington, D.C.

SESSION G-2 Tuesday 8:30 -12:00 a.m.

HUB 309-A

TRANSMISSION AND IN-SITU MEASUREMENTS OF NATURAL AND ENHANCED IONOSPHERIC

IRREGULARITIES Chairman: C. Rino SRI International Menlo Park, CA

1. On the Ratio of Intensity and Phase Scintillation Indices, E. J. Fremouw, Physical Dynamics, Inc., Bellevue, WA

2. Longitudinal Sensitivity of Equatorial Scintillation as . Discovered in the 1978 Equatorial Scintillation Campaign, J. P. Mullen, H. E. Whitney, J. Aarons, Air Force Geo- physics Laboratory, Hanscom AFB, MA, K. C. Yeh, University of Illinois, Urbana, IL

3. Observations of Ionospheric Bubbles at the Magnetic Equator, C. H. Liu, K. C. Yeh, University of Illinois, Urbana, IL, H. Soicher, U.S. Army Communication Re- search and Development Command, Fort Monmouth, NJ

4. Direct Comparison of In-Situ Plasma Density and VHF/

UHF Phase Scintillation Measurements, M. Kelley, Cornell University, Ithaca, NY, 0. L. Knepp, Mission Re- search Corporation, Santa Barbara, CA, K. D. Baker, Utah State University, Logan, UT

5. On the Signal Statistics of Scintillation, E. J. Fremouw, Physical Dynamics, Inc., Bellevue, WA

6. Signal Coherence Properties Obtained from Wideband Satellite Data, D. L. Knepp, Mission Research Corpor- ation, Santa Barbara, CA

7. Some Characteristics of Phase and Intensity Scintillation in Alaska, E. J. Fremouw and J.M. Lansinger, Physical Dynamics, Inc., Bellevue, WA

TUESDAY AFTERNOON JUNE19

AP·S SESSION 4(a) Tuesday 1 :30 • 5:00 p.m.

Kane Hall 130 INVERSE PROBLEMS Chairman: W. M. Boerner

U.I.C.C.

Chicago, IL

1. A Review of the One Dimensional Inverse Scattering Problem for Stratified lnhomogenous Media, I.

w.

Kay, Institute for Defense Analyses, Arlington, VA

(13)

-r.,,··

2. Inverse Problems in Optics, H.P. Baltes, L. G.

z.

Landis and Gyr, Zug, Switzerland; B. J. Hoenders, State Univer- sity at Groningen, Groningen, The Netherlands

3. Inverse Problem with Causality Between Sources and°

Field, H. G. Schmidt-Weinmar, The University of Alberta Edmonton, Canada ·

4. The Inverse Problem in Light Scattering, G. Ross, Queen Elizabeth College, London, United Kingdom, M.A. Fiddy, U.C.L., London, United Kingdom; H. Moezzi, Queen Elizabeth College, London, United Kingdom·, M. Nieto- Vesperinas, C.S.I.C., Madrid, Spain

5. The Application of the Bojarski Exact Inverse Scattering Theory to the Remote Probing of Inhomogeneous Media, W.R. Stone, Megatek Corporation, San Diego, CA 6. Development of Physical Optics Far Field Inverse

Scattering (POFFIS) and Its Limitations, W. M. Boerner, University of Manitoba, Winnipeg, Canada; C. M. Ho, U.1.C.C., Chicago, IL

7. A Chronological History of Radar Target Imagery at the Ohio State University, D. L. Moffatt, The Ohio State University ElectroScience Laboratory, Columbus, OH 8. n-Dimensional Fast Fourier Transform Tomography for

Incomplete Information and Its Application to Electro- magnetic Inverse Problems, N. Bojarski, Newport Beach, CA

9. Time Domain Inverse Scattering • Rotationally Sym- metric Conducting Targets with Oblique Incidence, C. L.

Bennett and H. Mieras, Sperry Research Center, Sud- bury, MA

10. Refractive Index Profile and Target Reconstruction; a Time and Spectral Domain Integral Equation Ap·

preach, J. Ch. Bolomey, D. Lesselier, Ch. Pichot, W.

Tabbara, C.N.R.S. • E.S.E., Gif-sur-Yvette, France

)\p.s SESSION 4 (b) Tuesday 1 :30 • 5:00 p.m.

Kane Hall 210

REFLECTOR ANTENNAS AND FEEDS Chairman: W. V. T. Rusch University of Southern California

Los Angeles, CA

1. A Parabolic-Cylinder Antenna with Very Low Sidelobes.

R. L. Fante, P. R. Franchi, N. R. Kernweis and L. F. Den- nett, Deputy for Electronic Technology RADC, Hanscom AFB, MA

2. Gregorian Corrected Offset-Fed Reflector with Conical- Scan Capability, D. C. Chang and W. V. T. Rusch, University of Southern California, Los Angeles, CA and F. A. Young, Hughes Aircraft Co., El Segundo, CA

3. Beam Scanning Characteristics of Olfset Gregorian Antennas, M. Akagawa and D. F. DiFonzo, COMSAT Labs, Clarksburg, MD

4. Multibeam Satellite Antenna with Optimized Polarization Distribution and Full U. S. Coverage, E. A. Ohm, Bell Labs, Holmdel, NJ

5. Feed Array Complexity vs. Area Coverage Gain of Optical Aperture Antennas, H. S. Luh, Ford Aerospace and Communications Corp, Palo Alto, CA

6. Low Sidelobe Transverse Feed Technique, J. J. Stangel, J. C. Herper and J. V. D'Agostino, Sperry Rand Corp., Great Neck, NY

7. Corrected Off-Axis Beams for Parabolic Reflectors, C. C.

Hung and G. G. Chadwick, Lockheed Missiles and Space Co., Sunnyvale, CA

11

8. A Dual-Mode Circularly Polarized Feed System Using a Small Square Corrugated Horn, C. Donn, D. Newell and S. Kootstra, Martin Marietta Aerospace Co., Denver, CO

9. A Coaxial Dual Mode Feed System, R. Schwerdtfeger, Huber und Suhner AG, Herisau, Switzerland

10. The New Multimode Horn Composed of a Corrugated Guide and a Smooth-Walled Guide with Changing Flare- Angles, Zhang Ri-rong and Li Feng-zhi, Communi- cation Engineering Institute, Beijing, China

AP-S SESSION (4-c) Tuesday 1:30 • 5:00 p.m.

Kane Hall 220

PART I: G\JIDED WAVES Chairman: G. L. Yip

McGill University Montreal, Quebec

1. Full Wave Solution of a Point Source Inside a Lossy Optical Fiber, M. Fischer, K. D. Becker, Universitat des Saarlandes, Saarbrucken, FRG

2. Scattering from an Off-Axis Inhomogeneity in Step-Index Optical Fibers-Mode Conversion, A. Safaai-Jazi and G. L.

Yip, McGill University. Montreal, Quebec

3. An Exact Solution for the TM Mode in an Eckart-Epstein Type Optical Strip Guide, C. A. Van Duin and F. W.

Sluijter, Eindhoven University of Technology, Eindhoven The Netherlands

4. To Theory Single-Mode Multilayer Ring Fiberguides with Losses, V. V. Cherny, University of California, Berkeley.

Berkeley, CA;,G. A. Juravlev, A. I. Kirpa, I. L. Rylov, V. P.

Tjoy, All-Union Correspondence Engineering Institute.

Moscow, USSR ·

5. Electromagnetic Propagation Along a Wire in a Tunnel- Approximate Analysis, R. J. Pogorzelski. TRW Defense and Space Systems, Redondo Beach. CA

PART It: ATMOSPHERIC PROPAGATION Chairman: G. L. Yip

McGill University Montreal, Quebec

1. A Computer Simulation of Propagation Through A Tenuous Random Medium, M. R. lnggs, R. F. Technology Centre, Leatherhead, United Kingdom, R. H. Clarke, Im- perial College, London, United Kingdom

2. Optical Beam Propagation of a Partially Coherent Source in the Turbulent Atmosphere, S. C. H. Wang, C. F.

Ouyang, and M. A. Ptonus. Northwestern University, Evanston, IL

3. A Method for Predicting Crosspolarization Discrimination Statistics lor Spatially Non-Uniform Rain, J. D. Kanetlopoulos, Imperial College of Science and Technology, London. United Kingdom

SESSION B-4 (a) Tuesday 1 :30 • 5:00 p.m.

Kane Hall_ 120

FIELD PENETRATION AND SCATTERING Chairman: A. F. Harnngton

Syracuse University Syracuse, NY

1. Field Penetration Through Small Apertures: The First- Order Correction, J. Van Bladel. Rijksurnversiteit Gent, Ge_nt, Belgium

2. Diffraction by a Narrow Slit in an Impedance Plane, R. A.

Hurd, National Research Council of Canada, Ottawa, Canada

(14)

3. Penetration and Scattering of EM Fields by Advanced Composite Bodies of Revolution, H. Kao and K. K. Mei, University of California, Berkeley, CA

4. Scattering by a Hemisphere, P. L. E. Uslenghi, Uni versity of Illinois, Chicago IL and V. Daniele, CESPA, Torino, Italy

5. An Efficient Approach for Computing Fresnel-Zone Fields, A. M. Rushdi and R. Mittra, University of Illinois, Urbana, IL and V. Galindo-Israel, Jet Propulsion Lab, Pasadena, CA

6. Nearfield Scattering by a Finite Dielectric Rod, G.

Tricoles, R. A. Hayward and E. L. Rope, General Dynamics Electronics Division, San Diego, CA

7. Radar Cross Section of Loop Antennas Above Finite Conducting Half-Space, A. S. Abulkassem and D. C.

Chang, University of Colorado, Boulder, CO

8. Uses of the Nonlinear Optimization in Field and Scat- tering Problems, Y. L. Chow and S. K. Chaudhuri, University of Waterloo, Waterloo, Canada

9. Scattering by Material Bodies of Revolution with a Metallic Core, S. K. Chang, EMtec Engineering, Inc., Berkeley, CA

10. On Electrically Thick Cylindrical Antennas of Finite Length, L. Rispin and D. C. Chang, University of Colorado, Boulder, CO

SESSION B•4 (b) Tuesday 1 :30 • 5:00 p.m.

HUB Auditorium

WAVES IN RANDOM MEDIA II Chairman: I. M. Besieris V{rginia Polytechnic Institute

· Blacksburg, VA

1. A Functional Path-Integral Approach to Stochastic Wave Propagation, loannis M. Besieris, Virginia Poly- technic lnstitule and State University, Blacksburg, VA and Conrad M. Rose, Naval Surface Weapons Center, Dahlgren, VA

2. Propagation in a Two-Mode Randomly Perturbed Wave- guide, Werner Kohler, Virginia Polytechnic Institute and State University, Blacksburg, VA and Stelios Patsiokis, Virginia Polytechnic Institute and State University, Blacksburg, VA

3. An Intensity Probability-Density Function of Plane Waves Propagated Through Random Media, M. Tateiba,

Nagasaki University, Nagasaki, Japan

4. Coherent Wave Propagation and the Foldy-Twersky Integral Equation, G. S. Brown, Applied Science Associates, Inc., Apex, NC

5. An Analytical Theory of Pulse Wave Propagation in Turbulent Media, K. Furutsu, Radio Research Laboratories, Tokyo, Japan

6. Backscattering of a Picosecond Pulse from a Dense Scattering Medium, Koichi Shimizu, Akira lshimaru and Adam P. Bruckner, University of Washington Seattle. WA

AP/B POSTER SESSION A Tuesday 1 :30 · 5:00 p.m.

Kane Hall - Walker Ames Room

ANTENNAS Chairman: C. M. Butler University of Mississippi

University, MS

12

1. Some Considerations to the Divergence Problem of An•

tenna Integral Equation Solutions, G. Greving, Technische Hochschule Aachen, Aachen, West Ger- many

2. Current on Thick Cylindrical Antennas. Improved Solution of the Generalized Boundary Condition Integral Equation by Le Foll's'Algorithm, J. Ch. Bolomey, S. El Habiby, F. Hillaire, D. Lesselier, C.N.R.S. · E.S.E., Gif- sur-Yvet.te, France

3. GTD Solution of the Input Admittance of a Slot on a Cone, E. K. Yung, Hong Kong Polytechnic, Hung Hom, Hong Kong, S.

w.

Lee, and R. Mittra, University of Illinois, Urbana, IL

4. Shaped Beam Reflector Feed Network tor Clutter Reduction and Angle Estimation. C. F. Winter, Raytheon Company, Wayland, MA

5. Study of Batwing Radiator of the Superturnstile Antenna for TV Broadcasting, R. W. Masters, Antenna Research Associates, Inc., Beltsville, MD and G. Sato, H.

Kawakami, and M. Umeda, Sophia University, Tokyo, Japan

6. The Characteristics of a Modified Duoconical Monopole with Curved Surface Transition, K. Fukuzawa and R.

Sato, Tohoku University, Sendai, Japan

7. Best Possible Thermal Noise Sensitivity of Electricallj Small Loop Antennas, M. Dishal, ITT Avionics, Nutley.

NJ

8. Dual-Beam Waveguide Slot Array for Monopulse Ap- plication, G. A. Hockham and R. I. Wolfson, ITT Gilfillan, Van Nuys, CA

9. Peak Cross Polarization of Reflectors with Surface Errors, S. I. Ghobrial, University of Khartoum, Khartoum, Sudan

1 O. A Multimode Dielectric Coated Horn tor Circularly Polarized Elliptical Beam, S. H. J. Quboa, S. C. Gupta, University of Mosul, Mosul, Iraq

11. Horn-Reflector Antenna Performance at 2 GHz with Simultaneous Operation in the 4, 6 and 11 GHz Bands, J.

E. Richard, Bell Telephone Laboratories, Inc., North Andover, MA

12. Astigmatic Correction by a Deformable Subreftector, W.

Y. Wong and S. Von Hoerner, National Radio Astronomy Observatory, Green Bank, WV

13. A Decoupled Antenna System with a Lossless Network, H. Iwasaki, Y. Mikuni, and K. Nagai, Toshiba Research and Development Center, Kawasaki, Japan

14. Performance of Reflector Antennas with Absorber-Lined Tunnels, R. B. Dybdal, H. E. King, The Aerospace Corp., Los Angeles, CA

15. Sidelobe Reduction with Horn-Antennas, F. M.

Landstorfer, R. R. Sacher, Technical University of Munich, Munich, FRG

16. Radiation by Microstrip Patches, N. G. Alexopoulos, and I. Rana, University of California, Los Angeles, CA, and N. K. Uzunoglu, National Technical University of Athens, Athens, Greece

17. Microstrip Antennas tor Airborne Radar Systems, A. W.

Biggs, University of Kansas, Lawrence, KS

18. A Microstrip Analysis Technique, E. H. Newman and P.

Tulyathan, The Ohio State University ElectroScience Laboratory, Columbus, OH

19. A Circularly Polarized Microstrip Resonator Antenna, J.

Vandensande, H. Pues, E. Van Lil, A. Van de Capelle, Katholieke Universiteit Leuven, Heverlee, Belguim

(15)

20. The RN2 Multiple Beam Array Family ana tne tseam Forming Matrix, J. L. McFarland, Lockheed Miss.iles and Space Company, Sunnyvale, CA

21. Frequency Selection for Reliable, Low-Cost, Satellite Links, P. F. Christopher, The MITRE Corporation. Bed·

lord, MA

22. Far-Field Antenna Pattern Calculation lrom Near-Field Measurements Including Compensation for Probe Positioning Errors, L. E. Corey and E. B. Jqy, Georgia Institute of Technology, Atlanta, GA

23. A Maritime Communications Subsystem (MCS) for Intelsat V Satellites, W. J. English, INTELSAT· Space Segment Engineering, Washington, DC

24. Automated Probing for Outdoor Antenna Ranges, S. M:

Sanzgiri, G. Crain, and R. C. Voges, Texas Instruments Inc., Dallas. TX

25. On the Accuracy of the Transmission Line Model of the Folded Dipole, G. A. Thiele, E. P. Ekelman, Jr., and L. W.

Henderson, The Ohio State University ElectroScience Laboratory. Columbus, OH

26. A Circularly Symmetric Dual-Reflector-Type Multibeam Antenna, Hiroyuki Kumazawa, Nippon Telegraph and Telephone Public Corporation, Yokosuka, Japan and Motoo Mizusawa, Mitsubishi Electric Corporation, Kamakura-City, Japan

27. Air Launch Cruise Missile Instrumentation Antennas, R. E. Lantagne. J. P. Grady and G. E. Miller. Boeing Aerospace Company, Seattle, WA

SESSION F-4 Tuesday 1 :30 · 5:00 p.m.

Kane Hall 110

SCATTERING FROM ROUGH SURFACES

~

Chairman: R.H. Lang

George Was.hington University Washington, D. C.

1. Backscattering from a Vegetated Hall Space, R. H. Lang, George Washington University, Washington, D.C.

2. Multiple Scattering Eflects on Backscattering ol a Pulse from Terrain, A lshimaru, University of Washington, Seattle, WA

3. Polarized and Cross Polarized Scattering by an Inhomo- geneous Layer with a Slightly Irregular Interface, A. K.

Fung, and H.J. Earn, University of Kansas, Lawrence,i<.S 4. Experimental Data Matching for Active and Passive

Microwave Remote Sensing, J. A. Kong, L. Tsang, M.

Zuniga and R. Shin, MIT, Cambridge, MA

5. Theoretical Models and Approaches tor Active and Passive Microwave Remote Sensing, J. A. Kong, L.

Tsang, M. Zuniga and R. Shin, MIT. Cambridge, MA 6. A Radar Clutter Model: Average Radar Backscatter lrom

Land, Sea, Snow, and Sea Ice, R. K. Moore, K. Soofi and S. M. Purduski, University of Kansas,' LaWrence, KS 7. New Elfects in Forward Scattering from Water Waves,

C. I. Beard, Naval Research Lab., Washington, D.C.

8. On the Role of Shadowing in Forward Scatter from the Sea at Extreme Grazing Angles, L. 8. Wetzel. Naval Research Lab, Washington D. C.

9. Effects of Scatter Depolarization on Optical and Micro- wave Holographic Image Degradation, H. Ghandeharian.

University of British Columbia, Vancouver, Canada and W. M. Boerner, UICC, Chicago, IL and University of Manitoba, Winnipeg, Canada

13

10. The Effect ot Salt Solubility and Salinity on the Respon- se of a Microwave Remote Sensor, R. P. Jedlicka, New Mexico State University, Las Cruces, NM

11. Microwave Remote Sensing of Saline Seeps, K. A.

Carver, New Mexico State University, Las Cruces, NM

SESSION E

· Tuesday 1 :30 · 5:00 p.m.

HUB Room 106B

CHARACTERIZATION AND MEASUREMENT OF NOISE Chairman: A. D. Spaulding

~ Office of Telecommunications

~ Boulder, CO

1. The Radio Environment at 800 km as Viewed by a DMSP Satellite, C. M. Rush, R. K. Rosich and C. Mellecker, U.S.

Department of Commerce, Bo~lder, CO

2. Simultaneous Radio Observations of Auroral Electrons from Satellite and Ground-Based Stations, S. Y. Peng, Hughes Aircralt Co., Fullerton CA and J. S. Kim, State University of New York, Albany,NY

3. Rate Statistics for Radio Noise from Lightning, D. M.

Le Vine and R. Meneghini, NASA Goddard Space Flight Center, Greenbelt, MD and S. A. Tretter, University at Maryland, College Park, MD

4. Amplitude Probability Distribution Measurements and Noise Excision Studies of 0.5-4.5 kHz Ambient Noise R. J. Dinger, J. R. Davis, W. D. Meyers and J. A. Gold- stein, Naval Research Lab., Washington, D. C.

5. Distribution Pattern of Polar VLF Hiss Emission Observed by Polar Orbital Satellites, T. Yoshino, Univer- sity of Electro-Communications, Tokyo, Japan and H. Fukunishi, National Institute of Polar Research, Tokyo. Japan

6. Rocket and Balloon Observation of Power Line Radiation Over Japanese Islands; T. Yoshino, I. Tomizawa and T.

Shibata, University of Electro-Communications, Tokyo, Japan

7. Prediction of Solar Induced Currents and Elfects on Power Transmission Systems in Central Canada, W. A.

Goddard, University of Manitoba, Winnipeg, Canada and W. M. Boerner, University of Illinois at Chicago Circle, Chicago, IL

SESSION G-3 Tuesday 1:30 • 5:00 p.m.

HUB 309-A

POLARIZATION EFFECT AND LARGE-SCALE STRUCTURES OF THE IONOSPHERE

Chairman: J. Aarons

~ Air Force Geophys;cs Laboratory

~ Hanscom AFB, MA

1. Distortion and Depolarization by the lonsophere of L Band Signals Coded by Phase Reversals: Full Wave Solutions, E. Bahar and 8. S. Agrawal. University of Nebraska, Lincoln, NE

2. Antenna Polarization Considerations for HF Broadcast Systems Near the Geomagnetic Equator, P. M. Hansen.

W. J. Fay, Naval Ocean Systems Center. San Diego. CA 3. A New Approach Based on Physical Optics lor Com-

puting Field Strengths in the Region of a Caustic with a Comparison with Full Wave Theory in the Region of the Ionospheric Skip, H. Hoogas1an. GTE Sylvania Needham. MA and D. B. Odom and T. I. S. Boak. Ill.

Raytheon Company, Wayland. MA

Figure

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References

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