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Wavelet_denoising

于 2010-06-01 发布 文件大小:221KB
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下载积分: 1 下载次数: 202

代码说明:

  小波变换的MATLAB源程序,使用语语音增强,去除噪声效果好,算法实现简单,清晰(MATLAB source wavelet transform, using language speech enhancement, noise removal effect, algorithm is simple and clear)

文件列表:

Wavelet_denoising
.................\COMPARE.M,1905,2003-10-13
.................\compile.m,2257,2002-11-12
.................\Contents.m,688,2002-11-18
.................\daubcqf.m,3918,2002-11-12
.................\denoise.m,9132,2002-11-12
.................\ex.m,1009,2004-03-01
.................\ex1.m,409,2004-03-01
.................\find_syll.m,1583,2003-10-13
.................\HardTh.m,3117,2002-11-12
.................\htm" target=_blank>INSTALL,827,2002-11-12
.................\INSTALL_PRECOMPILED.txt,415,2003-10-13
.................\late_noise.wav,163870,2004-03-01
.................\htm" target=_blank>LICENSE,2094,2002-11-18
.................\MAIN.M,1294,2004-02-29
.................\makesig.m,7236,2002-11-12
.................\mdwt.c,2799,2002-11-12
.................\mdwt.dll,8192,2004-03-02
.................\mdwt.m,4934,2002-11-12
.................\mdwt_r.c,5826,2002-11-12
.................\midwt.c,2749,2002-11-12
.................\midwt.dll,8704,2004-03-02
.................\midwt.m,3655,2002-11-12
.................\midwt_r.c,6250,2002-11-12
.................\mirdwt.c,3196,2002-11-12
.................\mirdwt.dll,9216,2004-03-02
.................\mirdwt.m,5210,2002-11-12
.................\mirdwt_r.c,7607,2002-11-12
.................\mrdwt.c,2901,2002-11-12
.................\mrdwt.dll,8704,2004-03-02
.................\mrdwt.m,5068,2002-11-12
.................\mrdwt_r.c,7253,2002-11-12
.................\normalize.m,176,2004-02-29
.................\htm" target=_blank>README,1082,2002-11-12
.................\setopt.m,2986,2002-11-12
.................\SoftTh.m,3276,2002-11-12
.................\two_axes.m,3689,2004-03-01
.................\Wavelet_Denoise.fig,67392,2004-11-11
.................\wavelet_denoise.m,12139,2004-11-11
.................\ZERO_PAD.M,215,2003-10-13

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  • xiaobofenxijiangyi
    说明:  小波(Wavelet)这一术语,顾名思义,“小波”就是小的波形。所谓“小”是指它具有衰减性;而称之为“波”则是指它的波动性,其振幅正负相间的震荡形式。与Fourier变换相比,小波变换是时间(空间)频率的局部化分析,它通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了Fourier变换的困难问题,成为继Fourier变换以来在科学方法上的重大突破。有人把小波变换称为“数学显微镜”。 这套讲义生动详实的快速带领初学者掌握小波的基本要点,是不可多得的好材料!(This is a handbook about Wavelet.)
    2009-09-02 15:44:17下载
    积分:1
  • kl
    说明:  实现k-l变换,代码短,效率高,适合初学者进行上机练习,原理简单,比较容易懂和实现。(Achieve kl transformation, the code short, high efficiency, suitable for beginners to practice on the machine, simple in principle, relatively easy to understand and achieve.)
    2009-12-09 11:18:49下载
    积分:1
  • xiaobojiguangqi
    小波变换用于半导体激光器可靠性分析的全部程序。我只完成了其中一部分,请斑竹验收(wavelet transform for the semiconductor laser reliability analysis of all procedures. I only completed part, illustrated acceptance)
    2020-12-23 10:59:07下载
    积分:1
  • wave_denoise
    对信号进行小波去噪再重构,针对不同分解层次的高频系数,采用分层阈值方式来量化高频系数。(Signal is carried out the wavelet denoising again reconstructed to quantify high-frequency coefficients, high-frequency coefficients for different levels of decomposition, hierarchical threshold.)
    2021-04-16 20:28:53下载
    积分:1
  • Ten.Lectures.on.Wavelets
    小波十讲中文、切边优化版本,适合直接在kindle阅读(<Ten Lectures on Wavelets>)
    2012-02-17 16:06:09下载
    积分:1
  • Three-level-wavelet-
    图像的三级小波分解,小波变换,小波图像重构.(Three-level wavelet decomposition of image.)
    2011-12-11 19:50:23下载
    积分:1
  • wave_nn_transformer
    小波神经网络在变压器故障诊断中的应用,介绍一种小波神经网络诊断变压器故障的新方法 好文章大家一起分享(Wavelet neural network in fault diagnosis of transformer applications, introduced a wavelet neural network of the new transformer fault diagnosis method of a good article to share)
    2008-06-16 18:28:42下载
    积分:1
  • 2D Fast Wavelet Transform
    Fast Wavelet Transform
    2018-08-01 13:44:37下载
    积分:1
  • 3D
    说明:  真正的3 d双树离散小波变换(DWT)的一个数据集x是使用四个严格采样实现可分3 d DWTs在平行。然后subbands四DWTs结合适当。 (The real the 3 d Doubletree discrete wavelet transform (DWT) data set x four to strict sampling separable 3 d the DWTs In parallel. The then the subbands four DWTs combined appropriately.)
    2013-04-16 19:35:55下载
    积分:1
  • work
    说明:  有小波分解求小波熵,还有小波包技术求解信号特征,适应与分析脑电信号特征(Seeking a wavelet decomposition wavelet entropy, and wavelet packets technique to solve the signal characteristics, and analysis of EEG characteristics of adaptation)
    2011-03-02 19:53:44下载
    积分:1
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