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AN INTEGRITY MONITORING METHOD TO DETECT AND IDENTIFY THE GNSS SATELLITE CLOCK ANOMALY BY MONITORING THE RECEIVER CLOCK
AN INTEGRITY MONITORING METHOD TO DETECT AND IDENTIFY THE GNSS SATELLITE CLOCK ANOMALY BY MONITORING THE RECEIVER CLOCK
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机译:一种通过监测接收机时钟来检测和识别GNSS卫星时钟异常的完整性监测方法
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摘要
PURPOSE: A method for detecting a satellite clock failure and identifying a failed satellite in a receiver clock error monitoring based global navigation satellite system is provided to improve the availability and continuity of a GNSS(Global Navigation Satellite System) augmentation system. CONSTITUTION: An environment setting value is set for detecting and identifying a satellite failure(S100). Pseudorange source information is obtained from a satellite navigation receiver(S200). An estimation equation of the clock error of the satellite navigation receiver is generated(S400). The estimated calculation vector of the satellite navigation receiver is defined(S500). The estimated vector of the clock error of the receiver is defined according to small groups(S600). A parity space vector is generated(S700). A failure occurrence index of the satellite clock is generated(S800).
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