Anti-interference Study of GPS Signal Based on Array Antenna Processing

Pi Jiao; Liu Li-cheng; Wang Feng; Cao Ding; Lü Jia-qing

doi:10.3969/j.issn.1007-7162.2015.04.012

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Anti-interference Study of GPS Signal Based on Array Antenna Processing

更新时间：2026-05-27

- Anti-interference Study of GPS Signal Based on Array Antenna Processing
- Vol. 32, Issue 4, Pages: 67-71(2015)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1007-7162.2015.04.012
  CLC：
- Online First：04 December 2015，
  
  Published：2015
- 稿件说明：
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皮姣, 刘立程, 王峰, 曹鼎, 吕嘉卿. 基于阵列天线处理的GPS信号抗干扰研究[J]. 广东工业大学学报, 2015, 32(4): 67-71.

Pi Jiao, Liu Li-cheng, Wang Feng, et al. Anti-interference Study of GPS Signal Based on Array Antenna Processing[J]. 2015, 32(4): 67-71.
皮姣, 刘立程, 王峰, 曹鼎, 吕嘉卿. 基于阵列天线处理的GPS信号抗干扰研究[J]. 广东工业大学学报, 2015, 32(4): 67-71. DOI： 10.3969/j.issn.1007-7162.2015.04.012.

Pi Jiao, Liu Li-cheng, Wang Feng, et al. Anti-interference Study of GPS Signal Based on Array Antenna Processing[J]. 2015, 32(4): 67-71. DOI： 10.3969/j.issn.1007-7162.2015.04.012.

摘要

针对强干扰低信噪比条件下的全球定位系统（GPS）信号的接收抗干扰问题，提出了结合功率倒置算法和相位补偿的抗干扰方法.该方法通过利用功率倒置算法对GPS信号进行预处理，使其能正确解调，并进一步对GPS信号进行相位补偿处理，提高信噪比.仿真结果表明，该方法能有效抑制强干扰，增强信噪比，提高GPS接收机的抗干扰能力.

Abstract

In order to solve the problem of anti-interference of global positioning system (GPS) under the condition of low SNR and strong interference

this paper puts forward the combined power inversion algorithm and phase compensation of anti-interference. The method applies power inversion algorithm of the GPS signal pre-processing to accurately demodulate and further process the the phase compensation of GPS signals to improve the SNR. Simulation results show that the method can effectively restrain the interference

enhance SNR

and improve the anti-interference ability of the receiver.

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