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Near-Field Beamforming in Time Modulated Arrays
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2022/04/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Digital Signal Processing
time-modulated array, near-field, beamforming,
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Near-field beamforming has played an important role in many scenarios such as radar imaging and acoustic detection. In this paper, the near-field beamforming is implemented in the time modulated array with the harmonic. The beam pattern with a low sidelobe level in precise position is achieved by controlling the switching sequence in time modulated cross array. Numerical results verify the correctness of the proposed method.