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3-D-dwt
这是三维离散小波变换程序,里面附带程序说明,及实例讲解。(This is a three-dimensional discrete wavelet transform, which comes with the program instructions and examples to explain.)
- 2020-11-16 15:19:41下载
- 积分:1
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work1
基于MATLAB的虚拟实验系统 的源代码
信号与系统 典型课程的演示实验的编程
GUI(the virtual experiment system for signal processing on the matlab)
- 2011-04-20 12:26:54下载
- 积分:1
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97wavelettansform
9/7 二维整数小波变换,可以实现图像的无损恢复。(9/7 two-dimensional integer wavelet transform, you can realize non-destructive restoration of images.)
- 2008-07-27 17:57:49下载
- 积分:1
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wavedec2
说明: 本代码利用小波变换,实现了两幅图像的融合,使用了小波分析工具箱wavemenu,使用了小波分析函数wavedec2()进行小波变换(The code using wavelet transform, to achieve a fusion of two images, using wavelet analysis toolbox wavemenu, using wavelet analysis function wavedec2 () wavelet transform)
- 2011-04-04 14:03:23下载
- 积分:1
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matlab小波变换程序
小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的"时间-频率"窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,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。(Wavelet transform (WT) is a new transform analysis method. It inherits and develops the idea of localization of short-time Fourier transform and overcomes the shortcomings that window size does not vary with frequency. It can provide a frequency-dependent The Time-Frequency window is ideal for time-frequency analysis and processing of signals. Its main feature is that by transforming some features that can fully highlight some aspects of the problem, the localization of the time (space) frequency can be analyzed, and the signal (function) can be gradually and multi-scale refined by the scaling operation, finally reaching the high frequency Time subdivision, frequency subdivision at low frequencies, can automatically adapt to the requirements of time-frequency signal analysis, which can focus on any details of the signal to solve the difficulties of Fourier transform has become a major breakthrough in the scientific method since Fourier transform.)
- 2018-03-05 14:32:13下载
- 积分:1
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thresholdHSI
采用小波变换的方法实现心电信号的滤波,分别使用了硬阈值、软阈值和改进阈值方法,并实现了滤波效果的评价(均方差和信噪比)(Wavelet transform of ECG signal filtering method, respectively, using a hard threshold and soft threshold and improve the threshold method, and to achieve the filtering effect of the evaluation (both variance and signal to noise ratio))
- 2011-07-23 11:03:55下载
- 积分:1
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2D Fast Wavelet Transform
Fast Wavelet Transform
- 2018-08-01 13:44:37下载
- 积分:1
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lift97mlhard
个人编写的提升格式97小波去噪,采用硬阈值法,三层分解,包括小波变换,去噪,逆变换三步(Written format of 97 individuals to enhance the wavelet denoising using hard threshold method, three decomposition, including wavelet transforms, denoising, inverse transform three-step)
- 2020-06-29 04:20:02下载
- 积分:1
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Daubechies-wavelet
实现构造小波基,求解小波尺度函数离散整数点的值以及实现尺度函数经伸缩后的离散值等功能。(Implement the constructor wavelet basis functions to solve the discrete wavelet scale and the realization of the value of an integer point scale after scaling function by a discrete value functions.)
- 2011-11-04 22:29:58下载
- 积分:1
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cs-2d
对二维图像进行压缩感知处理和重建,其中包括小波变换程序、正交匹配跟踪重建信号程序(Compressed sensing, processing and reconstruction of two-dimensional image)
- 2021-03-08 14:49:28下载
- 积分:1