具有稳定性监测的输出误差LMS双线性滤波器

Junghsi Lee, V. J. Mathews
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引用次数: 8

摘要

本文介绍了具有稳定性监测的输出误差LMS双线性滤波器。双线性滤波器是一类递归非线性系统,属于多项式系统。由于具有反馈结构,该模型能够有效地表示许多非线性系统。然而,自适应双线性滤波器的实用性受到很大的限制,除非它们能保证以稳定的方式运行。为了克服稳定性问题,提出了一种稳定性监测方案。最后给出了仿真结果,验证了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Output-error LMS bilinear filters with stability monitoring
This paper introduces output-error LMS bilinear filters with stability monitoring. Bilinear filters are recursive nonlinear systems that belong to the class of polynomial systems. Because of the feedback structure, such models are able to represent many nonlinear systems efficiently. However, the usefulness of adaptive bilinear filters is greatly restricted unless they are guaranteed to perform in a stable manner. A stability monitoring scheme is proposed to overcome the stability problem. The paper concludes with simulation results that demonstrate the usefulness of our technique.
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