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The near field measurements of a satellite remote sensing antenna

ZHANG Shi xuan 1,FANG Fu le 2, ZHANG Jin min 1,MAO Nai hong 1 (1. National Key Lab. of Antennas and Microwave Technology, Xidian Univ., Xi′an 710071, China; 2. School of Mechano electronic Engineering, Xidian Univ., Xi′an 710071, China)  
The Basic theory of near field to far field transformation and the Planar Wave expansion are discussed. A remote sensing antenna with the low side lobe and the offset feed illuminated and working on frequency bands is measured by the near field measurement system. The measurement results are in agreement with the theoretic calculation. The measurement error are less than 1 dB on the -35 dB side level, and there is a certain accuracy for the other electric parameters under test of this antenna. It is shown that the planar near field measurement method is the modern measurement technique with high accuracy.
【Fund】: 军事电子预研基金资助项目
【CateGory Index】: TN822
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