2011 IEEE International Symposium on Antennas and Propagation (APSURSI) 2011
DOI: 10.1109/aps.2011.5996944
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Multi-Beam Antenna with enhanced Wavelength-Scaled Log Periodic Dipole Array feeds

Abstract: A circular polarized Multi-Beam Antenna (MBA) with 3:1 bandwidth is described. The enhanced Log Periodic Dipole Array (LPDA) feeds are used to enlarge MBA's 27dB coverage region and improve antenna's maximal gain. The Wavelength-Scaled Array (WSA) is applied to restrain gating lobes. Compared with the single LPDA feed, the 27dB coverage region of this antenna is much lager and the maximal gain is about 3dB higher.

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“…The diffraction speckle of the incident beam with various angles in the main polarization field on the receiving plane is calculated and analyzed. The corresponding plane receiver array is chose and arranged, according to the characteristics (such as shape and size) of the diffraction speckles on the receiving plane [4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%
“…The diffraction speckle of the incident beam with various angles in the main polarization field on the receiving plane is calculated and analyzed. The corresponding plane receiver array is chose and arranged, according to the characteristics (such as shape and size) of the diffraction speckles on the receiving plane [4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%