中文摘要：

为了减小水声通信系统中存在的由于多径传播效应引起的符号间干扰，可在系统中使用线性均衡器。首先介绍了LMS算法和RLS算法基本原理，利用Matlab仿真软件，给出了两种算法在水声信道通信系统中的自适应均衡的仿真系统，并对这两种算法对于均衡器的影响进行了比较，最后对比较的结果进行了分析。

英文摘要：

To induce inter symbol interference which is due to multipath transmit effect in the water acoustic communication system,linear equalization can be adopted in the system, This article introduces the basic principle of LMS algorithm and RLS algorithm, and makes use of Matlab simulation software to provide the adaptive equalization system in the water acoustic system based on these two algorithms, compares the performance of these two algorithms,and analyzes the result of comparison at last,