本论文主要对自适应滤波这一重要的课题展开研究和讨论，在算法原理、算法性能分析和通过计算机仿真来说明其各自算法的优越性，在每一个算法中的通过收敛性、学习曲线和失调分析这三个方面来论述。-This thesis focuses on the subject of adaptive filtering to start this important study and discussion, the principle of the algorithm, algorithm performance analysis and computer simulation to illustrate the superiority of their respective algorithms, each algorithm through the convergence of the learning curve and disorders of these three aspects discussed.