一种改进的自适应滤波算法及其在回波消除中的应用
doi: 10.3724/SP.J.1146.2006.00634
An Improved Adaptive Filtering Algorithmand Its Application to Chaotic Echo Cancellation
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摘要: 该文改进了一种自适应滤波算法，并对新算法进行了收敛性分析。作为应用，将新算法应用于混沌调制通信系统在回波信道中的回波消除问题。仿真结果表明，改进后的算法比原算法具有更好的收敛速度和收敛精度；在低信噪比下，新算法更为稳定。Abstract: An improved adaptive filtering algorithm is proposed in this paper, and the convergence of the algorithm is analyzed. As an example, the new algorithm is used to cancel echo for the chaotic modulation communication systems experiencing echo channels. The results by computer simulation indicate that the improved algorithm has faster convergence speed and higher accuracy of computation. In addition, the new algorithm is steadier in the case of low SNR.
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