说明：  本文档总结了CPM调制解调方法，涵盖GMSK，MSK，CPFSK等调制技术的总结，以及各种相干，非相干解调的matlab仿真结果，仅供参考。
(This document summarizes the CPM modulation and demodulation methods, covering GMSK, MSK, CPFSK and other modulation techniques, as well as a variety of coherent, non coherent demodulation of the MATLAB simulation results, for reference only.)