搜索资源列表
EMD
- 利用MATLAB平台，离散小波变换分析，(Discrete wavelet transform analysis)
三级小波算法及相关函数代码
- 实现良好的音频水印分析，性能优越，小波变化(Implementation of good audio watermarking analysis)
ChaoticSignalBasedonWaveletTransform.rar
- 基于小波多分辨率分析的思想，提出一种降低混沌信号噪声的方法。首先对一个混沌时间序列进行小波分析，得到信 号在各个尺度上的不同特性;再对各个高频细节信号进行二次小波去噪;最后对二次小波去噪后的信号进行线性叠加，达到 提取真实信号的目的(Based on the idea of wavelet multiresolution analysis, a method to reduce the noise of chaotic signal is proposed. First, the wavel
IJ1185
- 小波包分解（wavelet packet decomposition）也可称为小波包（wavelet packet）或子带树（subband tree）及最佳子带树结构（optimal subband tree structuring）。其概念是用分析树来表示小波包，即利用多次叠代的小波转换分析输入讯号的细节部分。本案例主要用于小波包分解计算及绘图(The wavelet packet decomposition can also be called the wavelet packet or
wave
- 对植被或气象数据进行周期性分析，如（气温、降水等）(A periodic analysis of vegetation or meteorological data, such as (temperature, precipitation, etc.))
xiaobo
- 可以利用小波变换与谱分析，进而实现对设备的故障诊断(Using wavelet to realize fault diagnosis)
wavelet
- 一维，小波变换，算法，对离散时间序列进行分析。(One dimension, wavelet transform and algorithm are used to analyze the discrete time series.)
wavelet_analysis
- 通过二进小波的多尺度分析对lena图像进行边缘提取的操作。(wavelet analysis using in extract edge from a picture)
Untitled2
- 对信号进行小波变换，从而达到对信号的分析与处理(The signal is transformed by wavelet to achieve the analysis and processing of the signal.)
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 vibra
新建文件夹
- 小波变换处理数据，处理微弱信号，有较好的分析性能(Wavelet transform process data and deal with weak signal, which has better analytical performance.)
新建文件夹
- 对光谱数据进行小波包分析，对光谱进行分解。重构和去噪声(Wavelet packet analysis was performed on spectral data.The spectrum is broken down.Refactoring and de-noise.)
代码
- 小波包分析，对信号进行分解和重构，从而获得低噪声，完整的信号(Wavelet packet analysis, decomposition and reconstruction of signals, thus obtaining low noise, complete signal.)
wavechange
- 用小波变换的方法进行QRS波的提取，其中针对心电信号的心率分析和检测(QRS wave extraction method using wavelet transform, heart rate analysis and detection for the ECG signal)
wt
- 小波变换是一种时频分析工具，可以用于图像去噪和压缩算法中。(Wavelet transform is a time-frequency analysis tool, which can be used in image denoising and compression algorithms.)
aedmd
- 欢迎大家下载学习，真的是一个好程序，小波包分析提取振动信号中的特征频率。( Welcome to download the study, Really is a good program, Wavelet packet analysis to extract vibration signal characteristic frequency.)
xiaobo
- 小波改进阈值去噪，并分析去噪后信号的信噪比和均方误差(Improving threshold denoising by wavelet transform and analyzing signal-to-noise ratio and mean square error of denoised signal)
小波图及程序
- 语音分析，关于小波变换对语音信号的处理，和相关运行图片(Speech analysis, the processing of speech signals by wavelet transform, and related running pictures)
matlab代码
- 针对小波包去噪对含强白噪声的信号处理效果不理想问题，提出了基于互相关分析优化的VMD-小波包阈值去噪方法。该方法融合了VMD和小波包去噪的优势，通过VMD把含噪信号分解成若干个模态分量，根据互相关分析提出的临界相关系数从所有模态分量中搜寻极优模态分量，之后利用小波包阈值去噪对极优模态分量进行处理。实验结果表明，该方法对含强白噪声的信号去噪效果具有优势，能够保全信号的有效分量，克服了传统VMD去噪的盲目性，保证了去噪后信号的真实性。(Denoising by wavelet threshold t
demo
- 该算法是基于小波包变换能量率--BP神经网络进行机械轴承故障分析，提供了3种轴承故障及正常运营数据，包括Normal.mat 正常轴承数据 +Inner.mat 内圈故障数据+Outer.mat 外圈故障数据+Ball.mat 滚动体故障数据(This algorithm is based on the wavelet packet transform energy rate --BP neural network for mechanical bearing fault analysis, p