水声通信自适应均衡技术研究

Research on underwater communication adaptive equalization

论述水声信道均衡技术原理,针对传统均衡技术的缺点进行改进,提出NLMS和AFA算法。通过搭建均衡实验环境对LMS,NLMS,RLS和AFA等4种算法进行收敛速度、均方误差的仿真对比。实验结果表明,改进后的算法较传统算法具有收敛速度快、均方误差小和抗干扰能力强等优点,更适合进行水声通信。

This paper discussed the technical principle of underwater acoustic channel equalization.The drawbacks of traditional Balancing article had been improved. NLMS and AFA algorithm was proposed.Finally,the experimental environment by building was used to simulate the convergence rate,mean square error of four algorithms. Experimental results showed that the improved algorithm faster convergence,smaller mean square error,better anti- interference ability than the traditional algorithm,and more suitable for underwater communication.