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NLMS
若不希望用与估计输入信号矢量有关的相关矩阵来加快LMS算法的收敛速度,那么可用变步长方法来缩短其自适应收敛过程,其中一个主要的方法是归一化LMS算法(NLMS算法),变步长 的更新公式可写成
W(n+1)=w(n)+ e(n)x(n)
=w(n)+ (3.1)
式中, = e(n)x(n)表示滤波权矢量迭代更新的调整量。为了达到快速收敛的目的,必须合适的选择变步长 的值,一个可能策略是尽可能多地减少瞬时平方误差,即用瞬时平方误差作为均方误差的MSE简单估计,这也是LMS算法的基本思想。
(Want to estimate if the input signal vector and the relevant matrix to speed up the convergence rate of LMS algorithm, then the variable step size method can be used to shorten its adaptive convergence process, one of the main method is normalized LMS algorithm (NLMS algorithm) , variable step-size update formula can be written W (n+ 1) = w (n)+ e (n) x (n) = w (n)+ (3.1) where, = e (n) x (n) the right to express filter update vector iterative adjust the volume. In order to achieve the purpose of fast convergence, we must choose the appropriate value of variable step size, a possible strategy is as much as possible to reduce the instantaneous squared error, which uses the instantaneous squared error as the mean square error MSE of the simple estimate, which is the basic LMS algorithm思想.)
- 2021-03-06 12:39:31下载
- 积分:1
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matlabpracticalprogram
matlab实用程序100例,都是些小程序,可以用来熟悉matlab的一些常识(matlab utility 100 cases, are some small programs that can be used to know some of the knowledge of matlab)
- 2009-10-21 19:38:05下载
- 积分:1
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TPAMI_matching_demo
实现两幅图像的匹配,该方法匹配两幅图像非常有效(To achieve the matching of two imagesThe method of matching two images is very effective,)
- 2013-01-27 23:06:06下载
- 积分:1
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jingtongLP
多井过程中的井筒计算,以及注采过程中的相关参数(Multi-well process wellbore calculations, and injection process parameters)
- 2013-11-06 00:14:54下载
- 积分:1
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QAM_64
64QAM调制MATLAB代码,其中QAM_64为主程序(MATLAB code of 64QAM modulation)
- 2015-03-10 23:24:13下载
- 积分:1
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microstrip
MATLAB FOR MICROSTRIP ANTENNA DESIGN..WE CAN OBTAIN RADIATION PATTERN FOR MICROSTRIP ANTENNA..WE CAN ALSO VARY THE PARAMETER OF THIS, TO VIEW THE CHANGES IN OUTPUT
- 2012-11-10 13:55:41下载
- 积分:1
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system-identification
These are codes for system identification using various algorithm like LMS,RLS,PSO+FLANN
- 2013-05-10 16:51:57下载
- 积分:1
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zoutp
neural network fault find relay
- 2009-04-29 19:21:05下载
- 积分:1
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shujutongji
说明: 第17章: 数据统计和分析
MultiLineReg 用线性回归法估计一个因变量与多个自变量之间的线性关系
PolyReg 用多项式回归法估计一个因变量与一个自变量之间的多项式关系
CompPoly2Reg 用二次完全式回归法估计一个因变量与两个自变量之间的关系
CollectAnaly 用最短距离算法的系统聚类对样本进行聚类
DistgshAnalysis 用Fisher两类判别法对样本进行分类
MainAnalysis 对样本进行主成分分析
(data)
- 2009-07-23 10:27:21下载
- 积分:1
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moshi
说明: 几个模式识别的作业程序,自己写的。望指教哦,内容有感知器算法、多类感知器算法以及K均值算法(Several pattern recognition procedures, wrote it myself. Advice Oh look, the contents of perceptron algorithm, multi-sensor algorithm, as well as K-means algorithm)
- 2008-11-27 13:08:14下载
- 积分:1