Methods for antenna pattern characterization based on compressive sensing

Abstract

Example systems and methods for antenna pattern characterization are described herein. The systems and methods are based on compressive sensing. An example method can include arranging a test antenna and a probe antenna in a spaced apart relationship; arranging a spatial light modulator within in a near field region of the test antenna; and projecting, using a light source, a plurality of light patterns onto the spatial light modulator. The method can also include transmitting, using the test antenna, a respective beam while each of the light patterns is projected onto the spatial light modulator; and receiving, using the probe antenna, a respective signal corresponding to each of the respective beams transmitted by the test antenna. The method can further include reconstructing the test antenna's near field using the respective signals received by the probe antenna. The test antenna's near field can be reconstructed using a compressive sensing algorithm.

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