北斗最新接口文件，包括B1c，B2a信号测距码核导航电文的信息(The latest Beidou interface file, including the B1c, B2a signal range code core navigation message)

中国北斗三代，北斗三代空间接口文件，接口控制文件B1C信号（1.0版）(The three generation of the dipper of China)

MATLAB代码，完整实现北斗B1C信号的从捕获、跟踪到定位的全部过程。代码鲁棒性好，有注释，适合学习，也可直接使用(MATLAB code, fully realize the whole process of Beidou B1C signal acquisition, tracking and positioning. Code is robust, annotated, suitable for learning, and ca