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《Chinese Journal of Radio Science》 2008-04
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A simple method for seeking extraneous source of compact antenna test range

MA Yong-guang HE Guo-yu(Beijing University of Aeronautics and Astronautics, Beijing 100083, China)  
Compact Antenna Test Range(CATR) has become an ideal place for testing of antenna parameter and measurements of target scattering properties. The CATR performance greatly influences the accuracy and reliability of target measurements. In order to improve CATR performance, the extraneous source that disturbs target testing area in CATR must be found before make use of CATR. Any possible extraneous waves will be removed or be under control. Based on the principle of one dimensional range profiles, extraneous source that impact the measurement of antenna and target radar cross section(RCS) in CATR ia analyzed by drawing two intersected ellipse surface and two intersected spherical surface,.and the necessary controlling measures are discussed for extraneous source. The comparison and analysis of the theory simulation computing results and experimental results indicate that this method is simple and effective.
【CateGory Index】: TN011
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