中文说明：考虑雨衰 阴影 和多径影响，基于chebyshev的水声信号分析，是本科毕设的题目，各种kalman滤波器的设计，有信道编码，调制，信道估计等，验证可用。
English Description：
Consider rain fade the shadows and multipath effects and analysis of underwater acoustic signals based on Chebyshev, established undergraduate topic, design of Kalman filter, channel coding, modulation, channel estimation and validation available.