Sparse Cylindrical Arrays Based on the Low-Discrepancy Sobol Sequence Sampling
2022 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM)(2022)
Abstract
Sparse cylindrical arrays have grating lobe issues. Aperiodic spacing can reduce the grating lobes, however random approaches typically increase the average sidelobe level in addition to creating element clumping problems. This paper explores the use of a deterministic low discrepancy quasi-random distribution. The implementation of Sobol sequence on cylindrical platforms is outlined and we present numerical results for sparse array that are capable of removing the grating lobes.
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Key words
aperiodic array,beamforming,conformal array,cylindrical array,phased array,Sobol sequence,sparse array
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