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MULTI-FREQUENCY REAL-TIME KINEMATIC (RTK) MEASUREMENTS FOR GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) RECEIVERS
MULTI-FREQUENCY REAL-TIME KINEMATIC (RTK) MEASUREMENTS FOR GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) RECEIVERS
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机译:全球导航卫星系统(GNSS)接收机的多频实时运动学(RTK)测量
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摘要
A Real-Time Kinematic (RTK) solution is provided to mobile devices having multi-constellation, multi-frequency (MCMF) functionality, in which a single base station may have a baseline much farther than traditional base station and where the high accuracy positioning is achieved in a relatively short period of time. To enable this, embodiments involve modeling of an ionosphere-free carrier phase corresponding to combinations of at least three signals received from one or more satellites. The modeling retains the integer nature of carrier phase ambiguities, thereby allowing for fast convergence in determining the integer ambiguity of the carrier phases.
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