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wavelet-transform

于 2012-04-11 发布 文件大小:6641KB
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下载积分: 1 下载次数: 6

代码说明:

  wavelet transform s code with details

文件列表:

H2_SA11010903_HaiweiLiuV1.1.pdf,2237548,2012-04-05
Project2 source
...............\assign2.aux,2371,2012-04-05
...............\assign2.bbl,0,2012-04-05
...............\assign2.blg,292,2012-04-05
...............\assign2.dvi,16796,2012-04-05
...............\assign2.log,14337,2012-04-05
...............\assign2.synctex.gz,22205,2012-04-05
...............\assign2.tex,9421,2012-04-05
...............\assign2back.tex,7896,2012-04-02
...............\blurred_gaussian.eps,329558,2012-04-02
...............\decom_1level.eps,344523,2012-04-02
...............\decom_1level_own.eps,344540,2012-04-05
...............\decom_3level.eps,344206,2012-04-02
...............\dispcomb.m,587,2012-04-01
...............\enegcal.m,184,2012-04-01
...............\engy_1level.eps,9500,2012-04-02
...............\engy_3level.eps,9755,2012-04-02
...............\forierconvolve disp.nb,7903,2012-04-05
...............\fq_components.eps,348097,2012-04-02
...............\f_highpass.eps,345092,2012-04-02
...............\f_lowpass.eps,339139,2012-04-02
...............\f_restoration.eps,346741,2012-04-02
...............\GaussianPyramid.eps,456022,2012-04-02
...............\H2_SA11010903_HaiweiLiuV1.1.pdf,2237548,2012-04-05
...............\LaplacianPyramid.eps,399224,2012-04-02
...............\LaplacianPyramid_2level.eps,76359,2012-04-02

...............\maxican hat.nb,10596,2012-04-04
...............\nrmlz.m,213,2012-04-01
...............\org.eps,346670,2012-04-02
...............\P0200.m,2656,2012-04-02
...............\P0201.m,4062,2012-04-02
...............\P020102.asv,279,2012-04-05
...............\P020102.m,361,2012-04-05
...............\P0202.m,2279,2012-04-01
...............\P0203.m,2369,2012-04-02
...............\testtwo.m,6448,2012-04-01
...............\wavelet display.nb,64579,2012-04-04
...............\waveletf.asv,414,2012-04-05
...............\waveletf.m,711,2012-04-05
...............\waveletl.m,621,2012-04-05

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  • 全局阈值去噪
    比较了选取统一阈值和自己选取阈值,可以看出选取同一阈值去噪效果更好(You can see the benefits of a uniform threshold.)
    2021-04-26 15:18:45下载
    积分:1
  • 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
  • Wavelet-Shrinkage_-Asymptopia_
    小波变换阈值去噪的文章,基于最大最小准则计算(Minimax Estimation, Adaptive Estimation, Nonparametric Regression, Density Estimation, Spatial Adaptation, Wavelet Orthonormal bases, BesovSpaces, Optimal Recovery.)
    2016-12-13 21:12:50下载
    积分:1
  • duocengmo
    小波分析,及小波能量谱分析,信号分析与处理技术小波分析,及小波能量谱分析,信号分析与处理技术(wavelet analysis, and wavelet energy spectrum analysis, signal analysis and processing technology wavelet analysis, and wavelet energy spectrum analysis, Signal Analysis and Processing Technology)
    2007-01-19 22:44:42下载
    积分:1
  • Image-fusion-
    实现了基于小波变化的图像融合,并将融合结果显示出来(It realize the Image fusion based on wavelet transform and show the tesult)
    2011-04-30 10:56:39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
  • harmwave
    关于小波分析的程序,用于分析振动信号的程序,很好用(Wavelet analysis on the procedures used to analyze the vibration signal of procedures, very good use)
    2008-12-17 09:23:29下载
    积分:1
  • untitled
    数字基带传输基带信号,指未经调制的信号。这些信号的特征是其频谱从零频或很低频率开始,占据较宽的频带。 基带信号在传输前,必须经过一些处理或者某些变换(如码型变换、波形和频谱变换)才能送入信道中传输。处理或变换的目的是使信号的特性与信道的传输特性相匹配。 数字基带信号是消息代码的波形表示。表示形式有多种,有单极性、双极性波形,归零和非归零波形,差分波形、多电平波形之分,各自有不同的特点。 研究数字基带信号通过加性高斯白噪声信道的传输,并且假设信道除了叠加高斯噪声外,不会对信号产生其他失真。(matlabSimulation(pulse amplitude modulation) modulation signal in AWGN (additive white Gaussian noise AWGN (Additive White Gaussian Noise)) under the channel bit error rate and bit error rate performance, and compared with the theoretical value.)
    2018-05-08 18:47:36下载
    积分:1
  • 离散小
    我实现的离散小波变换,可直接运行,采用三级变换(Discrete wavelet thransform)
    2017-06-27 08:08:10下载
    积分:1
  • 连续小 cwt
    实现连续小波变换,对信号进行频谱分析。精度很高(continuous wavelet transform)
    2015-10-16 21:58:51下载
    积分:1
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