中文说明：这个有中文注释，看得明白，包括调制，解调，信噪比计算，仿真效果非常好，可以动态调节运行环境的参数，有详细的注释，数据模型归一化，模态振动。
English Description：
The Chinese notes, to understand it, including modulation, demodulation, signal to noise ratio calculation, simulation effect very good can dynamically adjust the parameters of the running environment, there are detailed notes, data normalization model, modal vibration.