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Volume 40 Issue 1
Jan.  2014
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Journal of Beijing University of Aeronautics and Astronautics  > 2014  >  40(1): 104-109.
Luan Jingdong, Li Xiaoxing, Zhou Guofeng, et al. Mechanical accuracy measuring and electrical performance validation for high-precision compact antenna test range[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(1): 104-109. (in Chinese)
Citation: Luan Jingdong, Li Xiaoxing, Zhou Guofeng, et al. Mechanical accuracy measuring and electrical performance validation for high-precision compact antenna test range[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(1): 104-109. (in Chinese)
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Mechanical accuracy measuring and electrical performance validation for high-precision compact antenna test range

  • School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 29 Mar 2013
  • Publish Date: 20 Jan 2014
    Abstract
  • Based on the deterministic basis of the surface accuracy for the antenna, computational modeling with the semi-optical path difference as minimum value was established. As a result, a software program for surface measurement and adjustment of reflector antenna was developed. The surface accuracy of the high-precision reflector antenna was measured and antenna feed was positioned using free fixing. The surface accuracy of central zone for the large parabolic reflector antenna is 26 μm. Electrical performance test results show that the compact range has excellent electrical performance in the frequency of 26~110 GHz, and verify the correctness of the mechanical accuracy test results. This technique not only improves the efficiency of mechanical alignment significantly, but also possesses potential applicable value in engineering.

     

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