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wavelet

于 2013-07-22 发布 文件大小:2KB
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  利用matlab中的小波变换函数,对图像进行小波降噪,并分析降噪效果。(The wavelet transform using matlab function, the image wavelet noise reduction, and analyze the noise reduction effect.)

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    2007-06-03 22:44:24下载
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  • H2
    说明:  实现对离散信号的连续小波变换进行时频域分析,判断信号的稳定性(The continuous wavelet transform of the signal is analyzed in time and frequency domain)
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  • Denoising
    本文介绍了局部放电信号的消噪方法,主要基于改进的小波消噪和序列脉冲分析手段来实现。(This paper presents a de-noising method for partial discharge (PD) online monitoring of transformers. The method is based on an improved wavelet de-noising approach and a pulse-sequence analysis method.)
    2012-03-16 11:07:59下载
    积分:1
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    对图像进行滤波处理是图像处理中最常见的一种操作类型。而这其中低通滤波(也可以叫做平滑)有事各种滤波处理中最常用的。这里就简单写写 OpenCV 中提供的几种低通滤波方法。 具体思路:对源图像进行离散傅里叶变换,滤波后通过cvDFT进行傅里叶逆变换得到理想低通滤波器、巴特沃斯低通滤波器、高斯低通滤波器后图像
    2022-03-04 13:06:18下载
    积分:1
  • denoising
    小波变换、EMD以及EMD结合小波变换几种常用的时频去噪方法的对比分析(Wavelet transform, EMD and the EMD of several commonly used wavelet transform time-frequency denoising Comparative Analysis)
    2021-01-06 10:38:53下载
    积分:1
  • matlab
    语音信号去噪,在MATLAB开发环境下,对含噪声的语音信号进行小波变换,根据阈值去噪的原理去噪,然后逆变换得到增强的语音信号(Speech Signal Denoising in the MATLAB development environment, including noise on the voice signal wavelet transform, in accordance with the principle of threshold denoising Denoising, and then inverse transform enhanced speech signal)
    2008-04-03 17:22:09下载
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  • tuxiangshuyan
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    2006-05-07 16:41:59下载
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  • perform_atrou_transform
    一种小波分解,用于多分辨率分解,在分解的过程中,同时给出各级的细节和概貌。(a trous wavelet decomposition)
    2020-10-05 15:27:39下载
    积分:1
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    2008-11-21 22:31:07下载
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  • xiaobobianhua
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