A Guided Random Search Approach for Synthesis of Sparse Arrays
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)(2022)
Abstract
Grating lobes in sparse arrays can be removed by using aperiodic element spacing, however, the traditional random sampling methods cluster some of the elements too close together, making fabrication impractical. We present a new constraint based design approach using guided random search. Numerical results are presented and we show that our approach is capable of removing the grating lobes and reducing the sidelobe level while keeping the elements from being too close together with an organized distribution within the aperture.
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