包括调制，解调，信噪比计算，对于初学matlab的同学会有帮助，music高阶谱分析算法。- Includes the modulation, demodulation, signal to noise ratio calculation, Matlab for beginner students will help, music higher order spectral analysis algorithm.

实现了LMS算法的仿真，能够通过仿真波形分析出滤波器阶数、信噪比以及步长因子对滤波性能的影响。(The simulation of LMS algorithm is realized, and the influence of filter order, signal to noise ratio and step factor on filter performance can be analyzed by simulation waveform.)

对OOK、BPSK、QPSK、16QAM、64QAM在水下信道传输的性能分析，作出信噪比-距离曲线。(The performance of OOK, BPSK, QPSK, 16QAM and 64QAM in underwater channel transmission is analyzed, and the SNR distance curve is made.)