JIN Li, CUI Xiaowei, LU Mingquan, FENG Zhenming. Phase-and-rate Feedback Loops for Weak GNSS Signals Tracking[J]. Geomatics and Information Science of Wuhan University, 2011, 36(4): 417-421.
Citation: JIN Li, CUI Xiaowei, LU Mingquan, FENG Zhenming. Phase-and-rate Feedback Loops for Weak GNSS Signals Tracking[J]. Geomatics and Information Science of Wuhan University, 2011, 36(4): 417-421.

Phase-and-rate Feedback Loops for Weak GNSS Signals Tracking

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  • Received Date: March 10, 2011
  • Revised Date: May 29, 2013
  • Published Date: April 04, 2011
  • With the transfer function of rate-only feedback loop and phase-and-rate feedback loop,the relationship between loop stability and the product of pre-correlation time and equivalent noise bandwidth will be analyzed.Then realizable phase-and-rate feedback loops for software and hardware receivers will be introduced.Finally,some tracking results of real signals will be given.Simulation results show that software receivers perform well with phase-and-rate feedback loops and longer pre-correlation time when carrier-to-noise ratio(CNR) of received signals is approach to 15 dB×Hz.
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