采用多级最小模方法的空时抗干扰GPS接收机

doi:10.3969/j.issn.1001-2400.2011.06.003

J4 ›› 2011, Vol. 38 ›› Issue (6): 15-21+88.doi: 10.3969/j.issn.1001-2400.2011.06.003

采用多级最小模方法的空时抗干扰GPS接收机

黄庆东^1,2;张林让¹;王纯¹;张波¹

(1. 西安电子科技大学雷达信号处理国家重点实验室，陕西西安 710071；
2. 西安邮电学院通信与信息工程学院，陕西西安 710121)

收稿日期:2010-10-09 出版日期:2011-12-20 发布日期:2011-11-29
通讯作者: 黄庆东
作者简介:黄庆东(1977-)，男，讲师，西安电子科技大学博士研究生，E-mail: huangqingdong@xupt.edu.cn
基金资助:
国家自然科学基金资助项目(No.60672130);教育部新世纪优秀人才支持计划资助项目(NCET-08-0891);陕西省自然科学基础研究计划资助项目(2010JQ80241);陕西省教育厅资助项目(11JK0929)

Multistage minimal module method for space-time interference suppression GPS receivers

HUANG Qingdong^1,2;ZHANG Linrang¹;WANG Chun¹;ZHANG Bo¹

(1. National Key Lab. of Radar Signal Processing, Xidian Univ., Xi'an 710071， China;
2. School of Commun. and Info. Eng., Xi'an Univ. of Posts and Telecomm., Xi'an 710121， China)

Received:2010-10-09 Online:2011-12-20 Published:2011-11-29
Contact: HUANG Qingdong

摘要/Abstract

摘要：

针对抑制全球定位系统信号中期望信号方向的冲激毛刺干扰问题，提出多级最小模级联相消方法．该方法用具有最小模的样本商作为复权，替代多级维纳滤波器的权值计算，并将其用于全球定位系统信号空时抗干扰处理中．此方法能很好地抑制期望信号方向的冲激毛刺干扰，消除对自适应权值计算的影响，且复杂度低，收敛性能好．计算机仿真结果验证了算法的快收敛性能和良好的抑制期望信号方向冲激毛刺干扰的能力．

关键词: 阵列信号处理, 全球定位系统, 低复杂度, 空时, 抗干扰

Abstract:

For suppression of the influence of impulsive noise spikes (outliers) from desired signal direction of arrival in GPS signals, the multistage minimal module cascaded canceller is proposed. The method substitutes the weights of the multistage Winner filter for the minimal module weights, which have the minimal module of the samples quotient, and is adopted in space-time anti-jamming processing in the GPS receiver. The method has the prominent ability to restrict the influence of impulsive noise spikes (outliers) from desired signal direction of arrival to adaptive weights, and the ability of low complexity, as well as fast convergence. Simulation results indicate the method achieves a better fast convergence ability and good performance in reducing the influence of impulsive noise spikes (outliers) on adaptive weights.

Key words: array signal processing, global positioning system(GPS), low complexity, space-time(ST), anti-jamming

中图分类号:

TN911.23

黄庆东;张林让;王纯;张波. 采用多级最小模方法的空时抗干扰GPS接收机[J]. J4, 2011, 38(6): 15-21+88.

HUANG Qingdong;ZHANG Linrang;WANG Chun;ZHANG Bo. Multistage minimal module method for space-time interference suppression GPS receivers[J]. J4, 2011, 38(6): 15-21+88.

参考文献

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采用多级最小模方法的空时抗干扰GPS接收机

Multistage minimal module method for space-time interference suppression GPS receivers

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