GPS信号基带处理方面在IEEE文章 信号跟踪和捕获-GPS signal baseband signal in the IEEE article, track and capture

Presently FFT usage in GPS receivers has been a topic of extensive study and many improved FFT-based acquisition methods with averaging correlation technique also have emerged. Although averaging arithmetic can reduce the instant processing p

Presently FFT usage in GPS receivers has been a topic of extensive study and many improved FFT-based acquisition methods with averaging correlation technique also have emerged. Although averaging arithmetic can reduce the instant processing p

在分析基于FFT 算法的GPS 伪码的快速捕获新方法的基础上, 通过传统的时域二维串行码捕获方 法和基于FFT 算法的GPS 伪码的捕获新方法所需要的运算次数的比较, 在理论上论证了新方法伪码捕获速 度得到提高的正确性和可行性。采用System View 软件仿真实验验证了基于FFT 算法的GPS 伪码的快速 捕获新方法理论的正确性, 得出新码捕获方法较传统的码捕获方法得到捕获速度提高的结论, 为GPS 接收机适应高动态环境做了理论探讨。-FFT algorithm in the a