Abstract
该文分析了GPS C/A码相位估计误差与载波频率估计误差对相关函数的影响,并推导出了相关公式。从线性,对信号幅度与载波频率估计误差的敏感性和计算量等角度分析了现有的码鉴别器算法的优缺点。基于上面的分析与研究,提出了一种新的C/A码鉴别器算法。通过理论分析与仿真实验,证明该算法有良好的线性特性,能有效抑制对信号幅度与载波频率估计误差的敏感性,且计算量低,跟踪精度高,抗多经性能好,在性能上优于已有的算法。
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