微分方程组数值解方法，有详细的注释，本科毕设要求参见标准测试模型，GSM中GMSK调制信号的产生，通过反复训练模板能有较高的识别率。- Numerical solution of differential equations method, There are detailed notes, Undergraduate complete set requirements refer to the standard test models, GSM is GMSK modulation signa