首页> 外国专利> ADAPTIVE STEP SIZE CONTROL ADAPTIVE FILTER AND ADAPTIVE STEP SIZE CONTROL METHOD

ADAPTIVE STEP SIZE CONTROL ADAPTIVE FILTER AND ADAPTIVE STEP SIZE CONTROL METHOD

机译:自适应步长控制自适应滤波器和自适应步长控制方法

摘要

PROBLEM TO BE SOLVED: To provide an adaptive step size control adaptive filter that is easily realized with a high convergence speed and a small residual error after the convergence and to provide an adaptive step size control method. ;SOLUTION: The adaptive step size control adaptive filter employing the probability gradient sine algorithm has a leakage accumulator 37 that receives a signal resulting from multiplying a signal delaying a sum of an error signal and an additive noise by a unit time by polarity of a sum of the error signal and the additive noise and a value obtained by multiplying a prescribed coefficient by an absolute value of the signal updated by the leakage accumulator 37 is used for a step size.;COPYRIGHT: (C)2000,JPO
机译:要解决的问题:提供一种自适应步长控制自适应滤波器,该滤波器易于实现,并且收敛速度快,收敛后残留误差小,并且提供了一种自适应步长控制方法。 ;解决方案:采用概率梯度正弦算法的自适应步长控制自适应滤波器具有一个泄漏累加器37,该泄漏累加器接收信号,该信号是通过将延迟误差信号和加性噪声之和的信号乘以单位时间乘以和的极性而得到的误差信号和附加噪声的误差和通过将规定系数乘以由泄漏累加器37更新的信号的绝对值而获得的值用于步长。COPYRIGHT:(C)2000,JPO

著录项

  • 公开/公告号JP2000031791A

    专利类型

  • 公开/公告日2000-01-28

    原文格式PDF

  • 申请/专利权人 NEC CORP;

    申请/专利号JP19980201935

  • 发明设计人 KOIKE SHINICHI;

    申请日1998-07-16

  • 分类号H03H21/00;H04B3/06;H04B3/23;

  • 国家 JP

  • 入库时间 2022-08-22 01:59:19

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