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WPandEMD
小波包和EMD方法对信号分析后的频谱图比较,可以对EMD的运行参数进行修改。(Spectrum comparison of Wavelet package and EMD)
- 2013-08-18 17:32:28下载
- 积分:1
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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
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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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wavelet_denoise1
利用小波变换对图像去噪,可以运行,并附有详细的说明,本人编写,感觉不错!欢迎共享.(Using Wavelet Transform for Image Denoising, you can run, together with detailed instructions, I prepared, I feel good! Welcome to share.)
- 2008-02-28 13:30:58下载
- 积分:1
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xiaobobianhuanyuyingyong
某一直升机齿轮箱上的早期损伤的特征是,在伴随振动信号上产生一个可变周期的非平稳扰动信号。要求按此特征构造一组有物理意义的数据仿真早期故障信号,应用小波变换技术分析故障的特征和发生时刻。(a helicopter gearbox early on the characteristics of the injury, In addition to the vibration signal produced a variable cycle perturbation of non-stationary signals. Click here to request a group of tectonic significance of a physical early fault simulation data signals Application of wavelet transform technical analysis of the features and fault occurred moments.)
- 2007-07-03 02:32:53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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Extracted-from-the-ECG-signal-
这篇关于从心电信号提取呼吸信号的调查,一共介绍了三种方法,即:频率提取,滤波器滤波,小波变换,三种方法。(This extract on the respiratory signal from ECG investigation, presented a total of three methods, namely: the frequency extraction filter filtering, wavelet transform, three ways.)
- 2011-09-21 11:50:39下载
- 积分:1
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OFDM
OFDM系统完整程序,小波/小波包变换在OFDM中的应用的程序。(Complete program of the OFDM system, wavelet/wavelet packet transform in OFDM applications program.)
- 2012-05-17 23:28:28下载
- 积分:1
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localpeaks
用matlab编写找到向量维度的波峰波谷的值.(Prepared using matlab to find vector value of the dimension of the peaks and valleys.)
- 2009-09-21 16:05:43下载
- 积分:1
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3971002xiaobo
小波变换分析,含有小波源程序和仿真主程序,适用于非平稳冲击振动信号的时频特性分析。(The wavelet transform analysis, which contains the small wave source program and the simulation main program, is suitable for the analysis of the time-frequency characteristic of the nonstationary shock vibration signal.)
- 2018-03-27 14:18:49下载
- 积分:1