Echo-Cancellation Technique With Recursive Data in Nonanechoic Test Sites
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A simple and effective method of echo cancellation in a nonanechoic chamber with a metal plate is presented in this study. The antenna measurement using standard gain-horn antennas was measured from 3.0 to 3.7 GHz in a fully anechoic chamber with intentionally generated contributions. As a result, when the frequency range is very narrow as one/time delay, the proposed method has better performances than the earlier echo-cancellation techniques such as fast Fourier transformation (FFT) and matrix pencil (MP)-based method.
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