BDS短基线单历元差分定位算法
Journal of Geodesy and Geodynamics（2018）
Abstract
针对BDS短基线单历元差分定位中双差法方程严重病态的问题,采用TIKHONOV正则化准则进行改善.计算获得可靠的浮点解及其对应的方差协方差阵,再运用部分模糊度固定策略,采用LAMBDA方法进行模糊度固定获取准确的固定解,达到cm级的BDS实时定位效果.
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Key words
BDS,differential positioning,single epoch,ill posed,regularization,real-time
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