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10 to 94 GHz

Design of Crossbar Mixer at 94 GHz

Design of Crossbar Mixer at 94 GHz

... This paper presents the design and performance of a 94 GHz crossbar mixer using chip diodes in crossbar configuration. The mixer has been designed in suspended stripline configuration on 2 mil fused quartz ...

6

A Slot Antenna-Coupled Microbolometer for Detection at 94 GHz

A Slot Antenna-Coupled Microbolometer for Detection at 94 GHz

... Abstract—In this paper, we report on the design, fabrication and characterization of a slot antenna on a quarter wavelength silicon (Si) substrate coupled to an uncooled titanium (Ti) microbolometer for detection at ...

7

Millimeter wave micro Doppler measurements of small UAVs

Millimeter wave micro Doppler measurements of small UAVs

... for 10 GHz is also performed to visually compare the effect of frequency on micro-Doppler ...for 94 GHz (from ...For 10 GHz, the maximum Doppler is ...

10

Time-Dependent Nonlinear Theory and Numerical Simulation of 94 GHz
 Complex Cavity Gyrotron

Time-Dependent Nonlinear Theory and Numerical Simulation of 94 GHz Complex Cavity Gyrotron

... already in the second cavity and the electrons energy change indicates that there is an energy loss from the electrons. The instantaneous output power as a function of time is shown in Figure 10(b). The output ...

15

Theoretical Study on Single-Scattering Properties of Ice Particles of Different Orientation at 94 GHz

Theoretical Study on Single-Scattering Properties of Ice Particles of Different Orientation at 94 GHz

... The DDSCAT is a software package, which can calculate scattering properties of electromagnetic waves by targets with arbitrary geometries using DDA theory and is written in Fortran 90 [10]. This software includes ...

8

A solid state 94 GHz FMCW Doppler radar demonstrator for cloud profiling

A solid state 94 GHz FMCW Doppler radar demonstrator for cloud profiling

... 15.26 GHz STALO is a phase-locked dielectric resonator oscillator (PLDRO) and the ...2.4 GHz source is a phase-locked cavity resonator oscillator (PLCRO) and both are locked to an ovenized crystal ...

8

94 GHz pulsed coherent radar for high power amplifier evaluation

94 GHz pulsed coherent radar for high power amplifier evaluation

... Novel vacuum electronic devices are emerging which will advance the state-of-the art in high power amplification at millimeter wave frequencies. One very promising technology is the gyro-travelling wave amplifier ...

8

The use of composite pulses for improving DEER signal at 94 GHz

The use of composite pulses for improving DEER signal at 94 GHz

... 4 GHz analog input bandwidth. The power output of the phase modulated 94 GHz input signal, post multiplication, pre-amplification (red) is relatively clean, whereas the post amplification, high power ...

40

Calibration of a 35 GHz airborne cloud radar: lessons learned and intercomparisons with 94 GHz cloud radars

Calibration of a 35 GHz airborne cloud radar: lessons learned and intercomparisons with 94 GHz cloud radars

... a 94 GHz (W band) cloud radar on board the NASA ER-2 high-altitude ...instrument 10 ◦ off-nadir, an an- gle for which multiple studies found a very constant ...

25

A Simplified Implementation of Substrate Integrated Non-Radiative Dielectric Waveguide at Millimeter-Wave Frequencies

A Simplified Implementation of Substrate Integrated Non-Radiative Dielectric Waveguide at Millimeter-Wave Frequencies

... and measured results of this transmission line are shown in Fig. 9(c), while the fabricated line is shown in the lower inset of the same figure. There is a noticeable discrepancy between the simulated and measure ...

12

Single Layer Printed Reflectarrays at MM-Waves

Single Layer Printed Reflectarrays at MM-Waves

... Abstract: This paper talks about a method of conception and design constraints on mm-wave reflectarrays. The developed tool allows us to plan quickly the behavior of large reflectarray (several tens of wavelength) ...

9

Measuring Complex Permeability of Ferromagnetic Thin Film Up to 10 GHz

Measuring Complex Permeability of Ferromagnetic Thin Film Up to 10 GHz

... to 10 GHz, and the resonance between the thin film and the ground plane of the measurement fixture can be avoided successfully by placing the thin film ...

7

High-Q Tuneable 10-GHz Bragg Resonator for Oscillator Applications

High-Q Tuneable 10-GHz Bragg Resonator for Oscillator Applications

... their reflectivity [10]. Once the dimensions of the air sections and the dielectric sections for a periodic resonator were obtained, the model was then split in two by removing the center section. The reflector ...

12

Broadband and Gain Enhanced Bowtie Antenna with AMC Ground

Broadband and Gain Enhanced Bowtie Antenna with AMC Ground

... A broadband bowtie antenna with AMC ground is proposed in this paper. The proposed bowtie antenna, loaded with an open stub in the upper layer, has the merit of broad bandwidth. An AMC surface composed of 6 × 9 metallic ...

6

An Analytical Approach for Fast Automatic Sizing of Narrow Band RF CMOS LNAs

An Analytical Approach for Fast Automatic Sizing of Narrow Band RF CMOS LNAs

... and 10 show the simulated LNA characteristics without any tuning for the operating frequency of 1 GHz and 5 GHz, respectively, when the corresponding sets of the design variable values obtained using ...

10

Documents August 1994

Documents August 1994

... ISBN 92-77-71417-4 EY-CO-94-051-EN-C EN-94-10 15 Scientific and technical research PEDOC A 3-271/94 A Report of the Committee on Energy, Research and Technology • on the proposal for a C[r] ...

14

Transcriptional analysis of the innate immune response of ducks to different species of origin low pathogenic H7 avian influenza viruses

Transcriptional analysis of the innate immune response of ducks to different species of origin low pathogenic H7 avian influenza viruses

... qRT-PCR targeting select duck immune genes was performed on the splenic RNA samples (Table 4). Primer sequences were kindly provided by Dr. Darrell Kapczynski (DK, personal communication) and Dr. Carol Cardona as ...

11

Dielectric Properties of Dry and Wet Soils At X-B and Microwave Frequency

Dielectric Properties of Dry and Wet Soils At X-B and Microwave Frequency

... dielectric permittivity and conductivity as functions of moisture content is studied. The dielectric constant of soil samples from Uttar Pradesh and Kashmir are measured at different frequencies in the range 8 GHz ...

6

Eurofocus: a newssheet for journalists. Weekly No. 1/94, 10-17 January 1994.

Eurofocus: a newssheet for journalists. Weekly No. 1/94, 10-17 January 1994.

... The Commission is of the view that "Youth for Europe III" will give a new dynamism and added coherence to Community action in favour of young people, by rationalizing, simplifying and in[r] ...

9

Euro Info Centre News. Issue No. 10/94, 28 November 1994

Euro Info Centre News. Issue No. 10/94, 28 November 1994

... 08 TECHNICAL ASSISTANCE : INDUS'IRIAL AFFAIRS CEXP ASSISTANCE TECHNIQUE : AFFAIRES INDUSTRIELLES AMAN OJ/JOCE S 146197 & C 206/9,93.07.30 DGV: ---- STUDIES RELATING TO THE FAMILY CEXP ET[r] ...

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