Abstract: A novel ultrawideband parallel-plate (PP) horn array with an air-filled single-ridge waveguide (SRW) feed network is presented. By designing a wideband double 90°-bend single-to-double (STD) ...
Abstract: In the near-field condition, the wavenumber spectrum exhibits spatial variance, which renders the fast factorized backprojection algorithm (FFBPA) ineffective in improving the imaging ...
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