Abstract
Antenna measurement may be affected by multipath effects when it is carried out in a semi-anechoic chamber or when a fault in the chamber arises. In this study, a sparse deconvolution method is applied to identify clearly the direct and reflected contributions in the time response of the measurement chamber. It is possible to recover the distortion-less radiation pattern by simply removing the reflected wave. This method requires half the bandwidth of other methods. Some significant results are presented to show the accuracy of the proposed approach.
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