Research on Algorithm of Faulty Satellite Detection Augmented with Receiver Clock Bias

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (6) : 41-43.

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Research on Algorithm of Faulty Satellite Detection Augmented with Receiver Clock Bias

TENG Yun-long1,2;SHI Yi-bing1;ZHENG Zhi2

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Abstract

To augment the performance of detecting faulty satellite aiding of receiver clock bias (RCB), from the point of nonlinear time sequence, a combined model for predicting RCB based on grey system theory and Markov chain is proposed in this paper. The basic ideas and steps of the forecasting method are discussed respectively, and then this model is introduced into GPS receiver in order to detect faulty satellite. Test results are presented to demonstrate the feasibility and validity of the method in the end. The research work in this paper paves the way for detecting faulty satellite, and should be valuable in the project application for improving the positioning precision and reliability of GPS receivers

Key words

Receiver clock bias (RCB) / Grey theory / Markov chains / Fault detect

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TENG Yun-long;SHI Yi-bing;ZHENG Zhi. Research on Algorithm of Faulty Satellite Detection Augmented with Receiver Clock Bias[J]. Journal of Vibration and Shock, 2011, 30(6): 41-43