一种适用于BOC(1,1)信号的精准捕获结构
摘要
对于目前应用较多的BOC(1,1)型信号的自相关函数有两个峰值导致捕获不够精确,文章研究了一种新的捕获结构。该结构在本地设置一路正交BOC(1,1)信号,基于CCRW的思想来组合新的目标函数。理论分析与仿真都验证了新捕获结构的优良特性,该结构完全消除了副峰的同时,并提高了主峰的峰值,且算法简单易于实现。
引文
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[5]陈佳品,齐佳敏,陈翔,李振波,时东飞,彭书辉.二进制偏置载波信号精确同步装置及其同步方法:中国,102185629A[P].2011-09-14.
[2]Lohan E S.Statistical analysis of BPSK-like techniques for the acquisition of Galileo signals[J].AIAA Journal of Aerospace Computing Information and Communication,2006,3(5):234-243.
[3]Julien O,Macabiau C,Cannon M E,Lachapelle G.ASPe CT:Unambiguous Sine-BOC(n,n)Acquisition/Tracking Technique for Navigation Applications[J].IEEE Trans,2007,43(1):150-162.
[4]Nunes F D,Sousa F M G,Leitao J M N.Multipath Mitigation Technique for BOC Signals Using Gating Functions[C].Proc.of the 2nd European Space Agency(ESA)Workshop on Satellite Navigation User Equipment Technologies NAVITEC,Amsterdam Netherlands,December 8-10,2004.
[5]陈佳品,齐佳敏,陈翔,李振波,时东飞,彭书辉.二进制偏置载波信号精确同步装置及其同步方法:中国,102185629A[P].2011-09-14.