Unequally spaced linear array beamforming
Article Abstract: This paper introduces an analyzing method and principle of unequally spaced linear arrays beamforming, caculates unequally spaced array beamforming of 10 elements, 16 and elements, 32 elements. By using z-transform, this paper tries to reveal the relationship between the equally spaced beamforming with weighted amplitudes and unequally spaced beamforming, and gives the fomulae of weighted amplitudes transformed to unequally spaced beamforming. Simulation shows that the method can reduce the first and second sidelobes, and doesn＇t widen the mainlobe.
About Author:
Author: WANG Xin, QIAN Bin, WANG Guang-enPublisher: Shanghai Marine Electronic Equipment Research Institute, Shanghai 201108, China
Keywords:ztransform, beamforming, unequally spaced array
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