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GNSS RECEIVER CLOCK FREQUENCY DRIFT DETECTION
GNSS RECEIVER CLOCK FREQUENCY DRIFT DETECTION
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机译:GNSS接收机时钟频率漂移检测
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摘要
The disclosure provides a GNSS receiver. The GNSS receiver a measurement engine that generates a set of doppler measurements and a set of pseudo ranges in response to an input signal. A clock frequency drift estimation (CFDE) block receives the set of doppler measurements, and generates an averaged delta doppler. A position estimation engine estimates a position and velocity of a user based on the set of doppler measurements, the set of pseudo ranges and the averaged delta doppler.
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