数据采集与处理2001，Vol.16Issue(1)：72-76,5.
多径和噪声作用下延迟锁定环的测距误差分析
Analysis of Ranging Error with Delay-Locked Loop in Presence of Multipath and Noise
摘要
Abstract
In short-baseline differential GPS or E911 radiolocation based onmobile communication networks, multipath becomes a major ranging error source. To evaluate the effects of the multipath on pseudorange and pseudorange-rate of delaylocked loop (DLL), the Fokker-Planck equations are applied for analyzing coherent code tracking delay-locked loop. Explicit expressions for mean, standard deviation and probability density function of pseudoirange are deduced. It is shown that there exists same second order DLL and the pseudorange-rat error is always Gaussian with mean zero in the multipath fading channel.关键词
延迟锁定环/多径/全球定位系统/定位/测距分类
信息技术与安全科学引用本文复制引用
宋茂忠..多径和噪声作用下延迟锁定环的测距误差分析[J].数据采集与处理,2001,16(1):72-76,5.基金项目
国家自然科学基金 （）
