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DWT_1D
离散小波变换是指在特定子集上采取缩放和平移的小波变换,是一种兼具时域和频域多分辨率能力的信号分析工具。此变换运用可以缩放平移的小波代替固定的窗进行计算分析,主要应用于信号编码和数据压缩。(Discrete wavelet transform refers to the specific subset take scaling and translation on the wavelet transform, is a kind of multi-resolution ability both time domain and frequency domain signal analysis tool. This transformation can use zoom translational wavelet calculation and analysis instead of the fixed window, mainly used in signal coding and data compression.
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- 2013-11-10 22:12:48下载
- 积分:1
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haar
说明: 整数Haar小波变换和逆变换 可用于差值扩展等(Integer Haar wavelet transform and inverter)
- 2010-04-26 16:42:55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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raj
this is mat lab wavelet paper
- 2009-10-27 13:45:04下载
- 积分:1
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新建文件夹
说明: python实现小波和短时傅里叶变换,源代码和测试算例(Python implementation of wavelet and short time Fourier transform)
- 2020-10-07 09:37:36下载
- 积分:1
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3
说明: 故障行波波头识别:模极大值原理识别故障行波波头(Modulus maxima principles identified wave head)
- 2013-09-23 11:35:05下载
- 积分:1
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Lipschitz
对于非平稳信号,小波多尺度分解师一种有效的信号去噪方法,在小波去噪方法的基础上,提出了基于Lipschitz指数的小波阈值去噪方法(For non-stationary signals, signal de-noising of wavelet multi-scale decomposition ' is an effective method, wavelet denoising method based on proposed wavelet thresholding denoising method based on the Lipschitz exponent)
- 2012-11-02 10:25:47下载
- 积分:1
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GTOBUCK
MATLAB中文论坛Simulink控制系统板块发表的帖子:移相全桥DC/DC变换器仿真报错。 只需一步,快速开始 扫一扫,访问微社区 MATLAB中文论坛(Altar Simulink physics modeling board posted post: isolated two-way full bridge DCDC Resonant Converter... My simulation has been possible, the transformer has some problems, PWM correct phase shift generator, I have)
- 2017-07-08 16:12:09下载
- 积分:1
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Wavelet-transform
基于小波变换的图像拼接。
本程序利用小波变换的原理实现图像的上下,左右以及斜方向的无缝拼接(Wavelet-based image stitching. The procedure to achieve the principle of wavelet transform image from top to bottom, left and right oblique direction and seamless)
- 2011-10-25 20:56:23下载
- 积分:1
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wave-move
描述电磁波(电场或磁场)在自由空间传播的Matlab程序。(Description of electromagnetic waves (electric or magnetic) in free-space propagation of Matlab procedures.)
- 2020-11-03 09:39:52下载
- 积分:1