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[GPS develop] cPN_gen DL : 0: PN码生成程序,可以生成L1波段的GOLD扩频码.修改抽头位置可以改变其对应的卫星号.-PN code generation process, generate L1 band GOLD spreading codes. Tap changes its location can be changed, the corresponding satellite.
Date : 2025-12-21 Size : 43kb User : Jerry
[GPS develop] GPS--FFT DL : 0: 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 analysis is based on fast acquisition GPS PN code based on the new method, through the traditional two-dimensional time-domain code acquisition method and the serial FFT algorithm based on GPS pseudo-code the new method of capturing the number of operations needed to compare demonstrated a new method in theory, pseudo-code acquisition speed is improved accuracy and feasibility. Using System View software simulation results verify the FFT algorithm based fast acquisition GPS PN accuracy of new method to generate new code acquisition method than the traditional method of code acquisition speed to capture the conclusions obtained for the GPS receiver to adapt to high Theory of dynamic environment do.
Date : 2025-12-21 Size : 221kb User : zhouyang