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Navigation signal structure based on complex carrier modulation 被引量：3

Navigation signal structure based on complex carrier modulation
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摘要 Signal structure design is an important part of satellite navigation system research,which directly affects navigation performance.Signal performance parameters are analyzed and performances of BPSK modulated signals and BOC modulated signals are compared.Aiming at requirements of high navigation precision and high anti-jamming ability,a new navigation signal structure based on complex carrier modulation is proposed and performances of the signal are researched with different parameters.A synchronization algorithm is put forward according to the signal characteristics,and the synchronization performance is qualitatively analyzed.Next,the applications of the complex carrier modulated signal are discussed,which include anti-jamming,navigation enhancement,power combing and so on.Simulations and analysis show that the proposed navigation signal structure based on complex carrier modulation has good navigation capabilities and anti-jamming abilities,which deserves further study. Signal structure design is an important part of satellite navigation system research,which directly affects navigation performance.Signal performance parameters are analyzed and performances of BPSK modulated signals and BOC modulated signals are compared.Aiming at requirements of high navigation precision and high anti-jamming ability,a new navigation signal structure based on complex carrier modulation is proposed and performances of the signal are researched with different parameters.A synchronization algorithm is put forward according to the signal characteristics,and the synchronization performance is qualitatively analyzed.Next,the applications of the complex carrier modulated signal are discussed,which include anti-jamming,navigation enhancement,power combing and so on.Simulations and analysis show that the proposed navigation signal structure based on complex carrier modulation has good navigation capabilities and anti-jamming abilities,which deserves further study.
作者 XU Ying YUAN Hong
机构地区 Academy of Opto-Electronics
出处 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS 2011年第6期1035-1045,共11页 中国科学：物理学、力学、天文学（英文版）
关键词 卫星导航系统 信号结构 载波调制 抗干扰能力 调制信号 导航信号 结构设计 组成部分 complex carrier modulation BPSK BOC root mean square bandwidth
分类号 TN967.1 [电子电信—信号与信息处理] TN913.6 [电子电信—通信与信息系统]
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共引文献72

同被引文献40

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引证文献3

二级引证文献20

Science China(Physics,Mechanics & Astronomy)
2011年 第6期

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