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《Science of Surveying and Mapping》 2010-01
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SNR quality analysis of L2C tracking test network

GU Shou-zhou①②,DANG Ya-min①②,BEI Jin-zhong①③(①Chinese Academic of Surveying and Mapping,Beijing 100039,China;②Shandong University of Science and Technology,Qingdao Shandong 266510,China;③Wuhan University,Wuhan 430079,China)  
In this paper,signal to noise ratio(SNR) of six test stations is analyzed using the data of L2C tracking test network.Firstly,by analyzing the SNR values on the L1 and L2 frequencies of the satellites unmodulated L2C,SNR values of L2 are smaller(the most differences of mean SNR values of L1 and L2 is about 19.1dB) and instable,and then analyzing the SNR values on the L1 and L2 frequencies of the modernized satellites,SNR values of L2 are nearly conform with L1(the differences of SNR on the L1 and L2 are about 5 dB),so the result is that the modernized L2 frequency has the futures of having more stabled data and better ability of anti-jamming and easily captured.
【Fund】: 科技部导航领域863项目(2007AA12Z313 2006AA12Z306 2007AA12Z316);; 国家自然科学基金(40874012)
【CateGory Index】: P228.4
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Chinese Journal Full-text Database 1 Hits
1 GU Shou-zhou,BEI Jin-zhong,DANG Ya-min,FANG Shu-shan(China Academy of Surveying and Mapping,Beijing 100830,China);Integrity monitoring of satellite clock error based on CORS network[J];Science of Surveying and Mapping;2013-03
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1 ZHANG Bo1, HUANG Jin song2, SU Lin1( 1. Institute of Remote Sensing Application, Chinese Academy of Science, Beijing 100101,China; 2.Wuhan University, Wuhan 430079, China);A research on using SNR values to mitigate carrier phase multipath in GPS surveying[J];Science of Surveying and Mapping;2003-03
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Chinese Journal Full-text Database 10 Hits
1 CHEN Yuan-hong1,QIU Lei2,LI Zhao2(1.Shenzhen Investigation & Research Institute Co.,Ltd,Shenzhen 518026,China;2.School of Geodesy and Geomatics,Wuhan University,Wuhan 430079,China);Research on gain features of GPS receiver antenna[J];Engineering of Surveying and Mapping;2009-04
2 HE Liang-yun(Hunan City University,Yiyang 413000,China);The study of multi-path effects on high precision GPS surveying[J];Engineering of Surveying and Mapping;2010-01
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Chinese Journal Full-text Database 3 Hits
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