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In this paper, a novel dual circular polarization waveguide antenna array with wide band and low axial ratio is presented at X-band. Planar horn array is used to attain dual circular-polarization working with orthomode transducer and rectangular side wall coupler. A demo array of 16×16 elements is designed, manufactured and tested. The experimental results show that the AR is less than 1.5dB, the...
In this paper, a block of active phased antenna subarray module for the high resolution synthetic aperture radar (SAR) applications was designed, fabricated and measured. The measured results of the module show perfect characteristics and verified by the experiment.
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