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Journal of Projectiles, Rockets, Missiles and Guidance >

2022 , Vol. 42 >Issue 2: 105 - 110

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2022.02.019

An Attitude Spectrum Estimation Technology of Satellite Navigation Signal Based on Array Antenna

  • LIU Fengshou ,
  • ZHAI Xiongzhi ,
  • YU Chun ,
  • ZHANG Jian ,
  • CHENG Ming ,
  • ZHAO Shijia
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  • CSSC Marine Technology Co., Ltd., Beijing 100070, China

Received date: 2021-10-09

  Online published: 2025-05-29

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Abstract

Aiming at the problem of satellite navigation signal attitude measurement, according to the array signal processing theory, the relationship between antenna coordinate system and satellite coordinate system is analyzed, the array signal model with coordinate rotation matrix as parameter is established, and the vector tracking loop, music attitude spectrum estimation of single satellite observation and orthogonal projection attitude spectrum estimation theory of multi satellite observation are proposed. Through MATLAB simulation, the effects of signal-to-noise ratio, array aperture, number of satellites and satellite distribution on attitude spectrum estimation are discussed. The simulation results show that the performance of attitude spectrum estimation can be significantly improved by improving the signal-to-noise ratio, expanding the aperture size of the array and reasonably selecting multiple observation satellites with uniform distribution.

Key words： array signal processing; attitude spectrum estimation; orthogonal projection algorithm

Cite this article

LIU Fengshou , ZHAI Xiongzhi , YU Chun , ZHANG Jian , CHENG Ming , ZHAO Shijia . An Attitude Spectrum Estimation Technology of Satellite Navigation Signal Based on Array Antenna[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2022 , 42(2) : 105 -110 . DOI: 10.15892/j.cnki.djzdxb.2022.02.019

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