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双频GPS接收机的动态辅助L2P(Y)跟踪
Alternative TitleDynamic-Aided L2P(Y) Tracking in Dual-Frequency GPS Receiver
王先毅; 孙越强; 杜起飞; 白伟华; 吴迪; 王冬伟; wxyeeis@ustc.edu; syq@nssc.ac.cn
Department空间科学部
Source Publication电子学报
2012
Volume40Issue:10Pages:1938-1942
ISSN0372-2112
Language中文
Keyword双频 半无码 Z跟踪 平方损耗 动态辅助
Abstract双频接收机中对L2P(Y)信号的跟踪可以使用半无码方法.但由于半无码方法本身具有平方损耗,因此实际获得的L2P(Y)信号载噪比很低,对L2P(Y)信号跟踪环路的性能提出了更高的要求.文中提出了一种利用接收机动态辅助L2P(Y)码跟踪的方法,给出了环路的设计细节,并详细地讨论了影响环路性能的各个因素.通过计算机仿真,比较了动态辅助环路和未辅助环路的性能.仿真结果表明,使用动态辅助的L2P(Y)信号跟踪环路可以在更低的载噪比下进行有效跟踪.
Other AbstractL2P(Y) signal tracking in dual-frequency receiver can be implemented by employing semi-codeless method.However,the actual L2P(Y) signal carrier to noise ratio is very low due to squaring-loss.As a result,higher performance requirements are needed for L2P(Y) signal tracking loop.This paper presents a way of using dynamic-aided L2P(Y) tracking.Loop design details are given,and the various factors affecting the performance of the loop are discussed in detail.The performances of the dynamic-aided loop and the none-aided loop are compared through computer simulation.Simulation results show that dynamic-aided method can track L2P(Y) signal in lower carrier to noise ratios effectively.
Indexed ByEI ; CSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/2911
Collection空间环境部
Corresponding Authorwxyeeis@ustc.edu; syq@nssc.ac.cn
Recommended Citation
GB/T 7714
王先毅,孙越强,杜起飞,等. 双频GPS接收机的动态辅助L2P(Y)跟踪[J]. 电子学报,2012,40(10):1938-1942.
APA 王先毅.,孙越强.,杜起飞.,白伟华.,吴迪.,...&syq@nssc.ac.cn.(2012).双频GPS接收机的动态辅助L2P(Y)跟踪.电子学报,40(10),1938-1942.
MLA 王先毅,et al."双频GPS接收机的动态辅助L2P(Y)跟踪".电子学报 40.10(2012):1938-1942.
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