Compound GRIN Lens Fanbeam Antenna for Wide-angle Scanning

2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)（2021）

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摘要

A Ka-band fanbeam GRIN lens antenna using two GRIN lenses for enhanced beamscan is proposed and validated in full-wave simulation. Over the band of interest, the two-lens system achieves an average maximum scan loss of 2 dB for a 100° field-of-view corresponding to a scan loss envelope of cos ¹ . ¹ (θ). The total on-axis depth of the system is reduced by > 50% by incorporating a 90° bend in the parallel plate waveguide.

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关键词

compound GRIN lens fanbeam antenna,wide-angle scanning,Ka-band fanbeam GRIN lens antenna,GRIN lenses,enhanced beamscan,full-wave simulation,two-lens system,average maximum scan loss,field-of-view corresponding,scan loss envelope,noise figure 2.0 dB

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