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SATELLITE NAVIGATION RECEIVER WITH IMPROVED AMBIGUITY RESOLUTION
SATELLITE NAVIGATION RECEIVER WITH IMPROVED AMBIGUITY RESOLUTION
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机译:具有改进的解像度解决方案的卫星导航接收器
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摘要
A satellite navigation receiver and associated methods are described that can provide improved integer ambiguity resolution and more accurate positioning information. A modified BIE process may be utilized to enable the receiver to perform the integer ambiguity resolution more optimally. The output of the modified BIE process may be time-domain smoothed to provide a solution which is smoother in ambiguity space, and therefore also provide a position solution that is smoother in time. Transitions between an ambiguity-determined solution to a float solution, when necessary, may be smoothed in time. A weighting scheme may dynamically blend the ambiguity-determined solution and the float solution to leverage the advantages of both solutions, such as faster pull-in, higher accuracy, and more stable and smooth performance.
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