far-field antenna pattern measurements
Log-Periodic Loop Antennas
... loop antenna with ground reflector is presented with a numerical analysis of its radiation characteristics including gain, far-field pattern, polarization, and input ...of antenna, ...
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TEST REPORT INVESTIGATION OF THE FAR-FIELD RADIATION GAIN PATTERN OF THE 20-METER BACKPACKER EH ANTENNA. 23 March 2003
... Backpacker antenna as tested, further field testing is not ...elevation far- field power measurements, other-than-vertically oriented test antenna orientation tests, varied ...
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Fast Antenna Far-Field Measurement for Sparse Sampling Technology
... of far-field (FF) measurement techniques is long measurement time, which often leads to the problem of inefficient use of measurement facilities that is a strong limiting factor in many ...the antenna ...
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A comparison of software- and hardware-gating techniques applied to near-field antenna measurements
... As described earlier it is only reasonable to evaluate the main lobe of the AUT. For the comparison shown in Table 1 the maximum angular range of the radiation pattern of the two element yagi in the E-plane is ...
6
Phaseless spherical near-field antenna measurements for low and medium gain antennas
... amplitude pattern on the second sphere contains additional field ...patch antenna (as shown in Sect. 4.1) is considered and electric field values are simulated for various sphere separa- tions ...
6
Study of the Radiated Polarization of an Antenna Array with Circular Geometry
... an antenna array with a circular ...entire far field pattern of the array can be obtained with the measurement or the simulation of only one antenna inside the ...An antenna ...
11
Electric field enhancement and far field radiation pattern of the nanoantenna with concentric rings
... their field enhancement and directivity ...dipole antenna can be improved by directivity-enhanced Raman scattering structure, which is a combination of a dipole antenna and a ring reflector layer on ...
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2D and 3D Far-Field Radiation Patterns Reconstruction Based on Compressive Sensing
... 3D far-field radiation patterns was ...random measurements required for a good reconstruction, depends on the complexity of the radiation pattern ...the antenna increased, the number of ...
10
Experimental Results on Hiperlan/2 Antennas for Wearable Applications
... microstrip antenna (# 5) is subjected to far-field radiation pattern measurements at its measured resonant ...measured far-field patterns of this circular shaped wearable ...
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Antenna Pattern Reconstruction Directly from Nonredundant Near-Field Measurements Collected by a Cylindrical Facility
... the antenna far-field pattern in any cut plane directly from the collected near-field data without interpolating ...recovered far-field patterns and those obtained by means of the classical ...
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Effect of Facet Displacement on Radiation Field and Its Application for Panel Adjustment of Large Reflector Antenna
... in antenna theory: the far-field radiation pattern of reflector antenna is the Fourier transformation of the field distribution in the aperture plane of ...power pattern. ...
9
Phase Shifting Holography for THz Near-Field/Far-Field Prediction
... sufficiently strong a condition C is met [6], and then only two holograms are required (C2H). However, in this case an entire scan of the AUT near-field intensity is needed to determine the minimum reference ...
7
Evaluation of the Far Field Radiated by Long Antennas Directly from Data Acquired through a Fast Helicoidal Scanning
... minimum set of measurements via optimal sampling interpolation (OSI) formulas [3]. A considerable measurement time saving can be then obtained by exploiting continuous and synchronized movements of the positioning ...
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Investigation of Antenna Array Configurations Using Far-Field Holographic Microwave Imaging Technique
... includes antenna design, optimization of antenna array configuration (also named as array geometry) and investigation of image ...of antenna arrays in microwave imaging for breast lesion detection are ...
11
The Far Field Pattern Analysis of Vertical and Horizontal Dipole Embedded in a Dielectric Slab
... the far field pattern can be simplified by using the reciprocity theorem and the known field distribution setup in the dielectric slab of incident plane ...
9
Far-Field Symmetry Analysis and Improvement of the Cavity Backed Planar Spiral Antenna
... the far-field pattern symmetry ...the pattern symmetry, the traditional way is to fill the cavity with the absorber ...the antenna efficiency, and about 50% power is dissipated in the ...
8
Multilayer Dielectric Resonator Antenna Transmitarray for Near-Field and Far-Field Fixed RFID Reader
... tag antenna (which is linearly polarized) will receive enough power from the transmitter irrespective of its ...CP antenna with a relatively low profile, small size, lightweight, high gain, and high ...
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Some Far Field Features of Cylindrical Microstrip Antenna on an Electrically Small Cylinder
... Abstract—The far field behavior of a small wave size cylindrical microstrip antenna (CMA) has been originally analyzed for a small elevation angle, where a pronounced maximum has been ...the far field ...
22
Electronic and Satellite Navigation
... Ez plane of far field,of radiation pattern The plane wave excitation is observed in magnetic field from the near field of matlab simulation of the electronic and satellite na[r] ...
6
Exp 4.docx
... Normal Mode: For a helical antenna with dimensions much smaller than wavelength, the current may be assumed to be of uniform magnitude and with a constant phase along the helix. The maximum radiation occurs in the ...
8