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基于解重扩算法的GPS抗干扰实时接收机研究
引用本文:吴仁彪,李晓,胡铁乔,卢丹.基于解重扩算法的GPS抗干扰实时接收机研究[J].中国民航学院学报,2011(2):27-31.
作者姓名:吴仁彪  李晓  胡铁乔  卢丹
作者单位:中国民航大学天津市智能信号与图像处理重点实验室,天津300300
基金项目:国家863高技术计划项目(2006AA12Z321); 中国民航大学科研基金项目(07QD03X)
摘    要:提出了一种基于解重扩算法的GPS抗干扰实时接收机系统的硬件实现方案。此方案充分利用解重扩算法和GPS接收机的特点,将两者紧密耦合,并根据FPGA和DSP的不同性能,实现了资源的合理配置。实测数据验证表明,该系统不仅能够抑制干扰信号,而且可对卫星信号产生较大增益,实现多波束抗干扰。

关 键 词:GPS  抗干扰接收机  解重扩算法  多波束

GPS Anti-Jamming Real-Time Receiver Based on Despread Respread Algorithm
WU Ren-biao,LI Xiao,HU Tie-qiao,LU Dan.GPS Anti-Jamming Real-Time Receiver Based on Despread Respread Algorithm[J].Journal of Civil Aviation University of China,2011(2):27-31.
Authors:WU Ren-biao  LI Xiao  HU Tie-qiao  LU Dan
Institution:(Tianjin Key Lab for Advanced Signal Processing,CAUC,Tianjin 300300,China)
Abstract:Based on the despread respread algorithm,a realization scheme of GPS anti-jamming real-time receiver system is proposed.This scheme makes full use of the characters of the despread respread algorithm and GPS receiver,so the structure of the system is close coupled.In addition,the resources are allocated reasonably according to the different features of FPGA and DSP.Experimental results prove that the system is a multi-beam anti-jamming receiver,which can not only suppress the jamming signals but also get extra gains of the satellite signals.
Keywords:GPS  anti-jamming receiver  despread respread algorithm  multi-beam
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