三频载波相位伪距平滑算法分析与比较Analysis and Comparison on algorithms of carrier phase smoothing pseudorange in three-frequency GNSS
刘增军,郑彬,刘文祥,欧钢
摘要(Abstract):
针对现代化卫星导航系统的三频新特点,本文推导了利用多频载波相位平滑单频伪距及组合伪距的一般算法,提出通用的计算方程和解析表达式,比对了三频GNSS系统中的3种平滑算法,并进行实测数据验证和分析。理论分析表明三频二阶伪距平滑算法噪声方差性能最差,三频一阶伪距平滑算法噪声方差性能与双频伪距平滑算法相当。
关键词(KeyWords): 三频;多路径;载波相位平滑伪距;电离层延时
基金项目(Foundation):
作者(Author): 刘增军,郑彬,刘文祥,欧钢
DOI: 10.16251/j.cnki.1009-2307.2012.06.034
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