中文说明：本程序为开源MATLAB代码，包括了GPS信号的捕获、跟踪、导航解算等完整的接收机功能，可给出中频信号的频域信息，以及最终定位结果，对于软件接收机的学习有很大的帮助
English Description：
This program is open source MATLAB code, including GPS signal acquisition, tracking, navigation solution, such as a complete receiver function, can be given if signal in the frequency domain information, as well as the final results, is of big help for learning software receiver