far-field antenna range
Using a Modified Hewlett Packard 8410 Network Analyzer as an Automated Far-Field Antenna Range Receiver
... A Hewlett Packard 8410 Network Analyzer was modified to be used as an automated far-field antenna range receiver.. By using external mixers, analog to digital signal conversion, and an e[r] ...
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A CP Antenna of Wide Half-Power Beamwidth for UHF RFID Near- and Far-Field Applications
... beamwidth antenna based on magnetic coupling in near-field (NF) regions and circular polarization (CP) in far-field (FF) is proposed for RFID multiservice applications in UHF ...the antenna also ...
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Analysis and Design of a Gaussian Backscatter Antenna with Ring Focus Feed
... radiated field in the far-angle regions, the cross- polarized field, or the ...the field such as the edge, corner and specular reflection point ...in far angle regions ...the ...
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Matrix Method for Antenna Plane Wave Spectrum Calculation Using Irregularly Distributed Near-Field Data : Application to Far-Field Assessment
... of antenna far-field pattern is an important task of antenna measurement ...for far-field assessment, we can find direct and indirect measurement ...the antenna response when illuminated ...
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Multilayer Dielectric Resonator Antenna Transmitarray for Near-Field and Far-Field Fixed RFID Reader
... array antenna exhibiting a near-field (NF) focused radiation, which is able to maximize the field amplitude in a size-limited spot within the antenna near-field region, while not ...
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Study of the Radiated Polarization of an Antenna Array with Circular Geometry
... an antenna element inside the array, the entire far field pattern including coupling between elements could be ...angular range depending on the antenna ...An antenna array of 4× ...
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TEST REPORT INVESTIGATION OF THE FAR-FIELD RADIATION GAIN PATTERN OF THE 20-METER BACKPACKER EH ANTENNA. 23 March 2003
... A suitable open-air test range was selected to conduct the antenna comparison. Desirable features of the test location included a natural lack of nearby interfering objects, extremely flat landscape, ...
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Dielectric Resonator Antenna Arrays for Microwave Energy Harvesting and Far-Field Wireless Power Transfer
... For the 5 × 5 DRA array, the design specifications were chosen based on the studied single DRA and 1 × 3 array. The array was simulated and fabricated using W = L = d = λ/ 5. Air gaps were noticed when performing the ...
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Far-fields Radiated of a Small Circular Loop Antenna Utilized in Remote Probing of the Earth
... loop antenna carrying a uniform current on the Earth's surface has been revisited, with a scope for deriving Closed-form formulae for the generated magnetic and electric far fields by a vertical magnetic ...
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Range Distance Requirements for Large Antenna Measurements for Linear Aperture with Uniform Field Distribution
... large antenna is always smaller not only for any range distance but also for any aperture distribution than the error obtained from the small ...the range distances were also computed as a reduction ...
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Compact Loop Antenna for Near-Field and Far-Field UHF RFID Applications
... reader antenna must have both near-field and far-field RFID operation for various ...electromagnetically far-field operation is commonly used to achieve long reading range ...
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Phaseless spherical near-field antenna measurements for low and medium gain antennas
... an antenna under test (AUT) is typically defined at far-field distance and is therefore to be measured in the far-field region of the ...the far-field are compact ...
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A Linearly Polarized Rectenna for Far-Field Wireless Power Transfer
... insitable antenna in different environment is ...band antenna was studied in ...application, antenna such as slot and microstrip antenna was studied ...for far field wireless ...
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Far-Field Reconstruction from a Minimum Number of Spherical Spiral Data Using Effective Antenna Modelings
... full antenna pattern coverage, even though the data processing is considerably more complex than the one needed by planar and cylindrical NF facilities [1, ...
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Log-Periodic Loop Antennas
... So far, LPDA, LPLA without ground reflector and LPLA with ground reflector have been investigated in Sections ...unidirectional far-field radiation ...the antenna input impedance, it seems ...
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Design of Four Arm Log Periodic Antenna for MIMO Applications
... of antenna is 90Ω, such that for the two arm log periodic antenna it can be ...arm antenna size is very high when compared to two arms of a four arm log periodic antenna and the expected ...
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INNOVATIVE LOCALIZER ANTENNA BEATS THE ODDS Mel King Manager Flight Inspection Airways Corporation of New Zealand Ltd.
... Localizer antenna down the bank into the wave trap and so there began consideration of locating a reduced height antenna on the surface of and at the end of the RESA adjacent to the wave ...
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An Improvement to Directional Equiangular Spiral Antenna with Wide CP Band, High Gain and Low Profile
... spiral antenna with wide CP band and high gain is proposed, in which the impedance bandwidth is 2 ∼ 12 GHz, CP bandwidth, ...The antenna includes 4 layers. The top layer is equiangular spiral ...
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Accurate Antenna Isolation Technique for Mitigation of CDMA Interference in a Co-Site Urban Environment
... Shared or co-site Networks came about as a result of the rapid growth of cellular mobile radio, such that two or more different Systems or Generations are deployed in adjacent frequency bands in the same area. The growth ...
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Broadband Coplanar Waveguide-Fed Wide-Slot Antenna
... designed antenna, these modes are considerably ...the antenna radiation pattern has a low cross-polarized field across the entire operating ...designed antenna are acceptable for most ...
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