Single point service test and analysis of BeiDou regional navigation satellite system

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Single point service test and analysis of BeiDou regional navigation satellite system

LIU Ruihua, CHEN Yingchao, KONG Yueming, YIN Haoyuan

(College of Electronic Information and Automation, CAUC, Tianjin 300300, China)

Received:2016-05-24 Revised:2016-09-10 Online:2017-04-22 Published:2017-06-14

Abstract

Abstract:

The basic performance indicators and evaluation methods of satellite navigation system are introduced. Pointmeasuring accuracy is analyzed based on CEP and 2DRMS. Change relationship between DOP and number of visible SV is analyzed with actual measurement data. Different flight phase availability and time percentage of service continuity of receiver autonomous integrity monitoring are counted and analyzed at the measuring point.Experimental data analysis shows that the number of SV is greater than 7, which can meet the requirement for SV number in user positioning process. Under the condition of 95% probability, the 3D positioning accuracy is better than 20 m, the horizontal accuracy is better than 15 m, the vertical precision is better than 20 m, this service precision satisfies the requirements of navigation performance of NPA flight phase.

Key words: BeiDou regional navigation system, positioning accuracy, receiver autonomous monitoring, system availability, system continuity

CLC Number:

TN967.1

LIU Ruihua, CHEN Yingchao, KONG Yueming, YIN Haoyuan. Single point service test and analysis of BeiDou regional navigation satellite system[J]. .

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