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wavelib
说明: 用c++实现小波变换,参考matlab实现(Using C + + to realize wavelet transform, referring to matlab to realize)
- 2020-06-21 16:24:31下载
- 积分:1
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stft
一维向量的离散短时Fourier变换函数。函数名:stft,输入:要处理的一维数组,加窗:矩形窗,窗口宽度:20。(One-dimensional vector of discrete short-time Fourier transform function. Function name: stft, enter: To deal with the one-dimensional array, plus a window: rectangular windows, window width: 20.)
- 2008-04-16 15:42:25下载
- 积分:1
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shiyan
shiyan图像分析及图像处理(时频变换)的小软件(Shiyan image analysis and image processing (time-frequency transform) a small software)
- 2008-05-06 07:54:00下载
- 积分:1
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Matlabwaveenergy
对信号f(x)进行三层小波变换,得到小波系数d1,d2,d3和逼近系数a3,我想求出各个频率段的能量(能量=小波系数的平方和),很不错的应用程序(The signal f (x) for three wavelet transform, wavelet coefficients d1, d2, d3 and approximation coefficients a3, I would like to find the energy of each frequency band (energy = sum of squared wavelet coefficients), very good application)
- 2011-11-01 16:16:22下载
- 积分:1
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EWT20130617
由加州理工大学教授开发的经验小波变换算法程序包,经检验比小波效果更好(California Institute of Technology developed by Professor experiences wavelet transform algorithm package, the test better than wavelet effect)
- 2016-07-30 14:41:42下载
- 积分:1
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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
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Shearletimagefusion
shearlet图像融合的源代码,速度很快,做毕业设计的可以参考(shearlet fusion source code, very fast, do graduate design can refer to)
- 2012-06-14 20:45:32下载
- 积分:1
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voltera_filter
全套voltera滤波器检测目标回波信号,且全部都是m文件,没有加密,并附原始信号,以供验证。(Complete voltera filter detection of the target echo signal, and all the m files are not encrypted, together with the original signal, for verification.)
- 2020-11-09 16:49:46下载
- 积分:1
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second-generation-wavelet
二代小波的labview实现,详细介绍在labview中如何实现二代小波(Labview implementation of second generation wavelet)
- 2011-07-31 15:18:34下载
- 积分:1
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wave
Harr小波具有紧支撑、零调和性和优良的正交性等优点,因此选择它作为小波变换的基函数。对采样数据进行4层小波包变换得到16维的特征样本。(Harr wavelet has compact support, zero reconcile and excellent orthogonality, etc., so choose it as the base function of wavelet transform. 4 layers of sampled data wavelet packet transform feature samples 16 dimensions.)
- 2014-09-17 16:25:07下载
- 积分:1