基于变步长自适应算法的滤波器设计

Study of a Novel Algorithm Base on Variable Step Size Adaptive Filtering Algorithm

本文描述了基于自适应滤波理论的变步长窗口大小的自适应算法。该算法一般用于微型计算机为基础的继电保护及自动化设备。本文提出了一个变步长自适应窗算法,并给出了该算法的原理和如何改变窗口的大小和长度方法的步骤。仿真结果表明,该算法具有良好的性能,并适合在以微型计算机为基础的继电保护及自动化设备上的使用。

The paper describes the development of a variable step size window length adaptive algorithm based on the adaptive filtering theory.Analyze the algorithm generally used in micro-computer based protection relays and automation device.A variable step size adaptive window algorithm is proposed in the paper.Give the principle of the proposed algorithm and the way how to vary the step size and window length.The results of simulations proved that the algorithm possesses good performance and is suitable for micro-computer based protection relay and automation device.