子波在水声信道多分辨率均衡方法中的应用

Multiresolution Equalization of Underwater Acoustic Channels By Using Wavelet

本文在确定了水声信道的数学描述后 ,提出了在信道自适应过程中 ,可以应用子波对信号进行多分辨率分解 ,逐尺度地对信道进行均衡 .这样 ,不但减少了运算数据量 ,也减少了均衡所需的权系数个数 .计算机仿真结果令人满意 .

This paper introduces a multiresolution equalization of underwater acoustic channels based on wavelet transform. After obtaining the multiresolution representation of signals, the equalizer works from the high scale to the low one. With the number of signals' data and weights reduced, the speed of the equalizer is improved. Computer based simulation shows that this method has good performance.