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Applications of time-gating method to improve the measurement accuracy of antenna radiation inside an anechoic chamber

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4 Author(s)
Yu-Ting Hsiao ; Dept. of Comm. Eng, Yuan-Ze Univ., Chung-li, Taiwan ; Yo-Yi Lin ; Yu-Cheng Lu ; Hsi-Tseng Chou

In order to increase the quiet zone space, reduce the multi-path interferences and increase the measurement accuracy in an existing anechoic chamber, a time gating method (TGM) is incorporated into the measurement system. The TGM transforms the frequency domain (FD) response into time domain (TD) using a Fourier transform and filters out the late time pulses, which are caused by the multi-path interference, by imposing a gating window. The extracted TD response is then transformed back to provide a more accurate FD response. Performance examination is presented in this paper.

Published in:

Antennas and Propagation Society International Symposium, 2003. IEEE  (Volume:3 )

Date of Conference:

22-27 June 2003