搜索资源列表
wavelet_signal
- 采用mallat算法进行小波分解/重构的程序,支持一维和二维信号-Mallat algorithm using wavelet decomposition / remodeling process, support one-and two-dimensional signal
5_3_lifting
- 采用5/3小波提升算法编写的一维和二维信号小波分解与重构程序。给出了图象分解的演示示例。-using 5 / 3 wavelet algorithm to enhance the one-and two-dimensional wavelet decomposition and reconstruction process. Given the decomposition of images demonstration examples.
一维信号小波分解与重构的VC++源程序
- 这是一个使用VC++编写的“一维信号小波分解与重构的VC++源程序”,请站长检查-It is a preparation of the VC "one-dimensional wavelet decomposition and reconstruction VC source", please check station
work
- MATLAB环境下,一维小波分解并提取细节系数和近似系数,再加小波包分解信号-MATLAB environment, the one-dimensional wavelet decomposition and extract detail coefficients and approximation coefficients of wavelet packet decomposition of signal plus
work
- 有小波分解求小波熵,还有小波包技术求解信号特征,适应与分析脑电信号特征-Seeking a wavelet decomposition wavelet entropy, and wavelet packets technique to solve the signal characteristics, and analysis of EEG characteristics of adaptation
wavelet_max
- 小波模极大值原理在图像边缘提取和信号奇异点检测中的应用-Wavelet Modulus Maxima Principle in Image Edge Detection and Signal Singularity Detection
xiaobobao
- 对信号进行小波包分解并求取各个分量的功率谱-The signal wavelet packet decomposition and obtain the power spectrum of the various components
waveleseriestthreshoding
- 使用matlab的小波分解和重建函数对24位的ADC采样数据进行小波变换和去噪,去噪使用阈值算法,阈值的选取具体使用了6种方法进行对比,对于不同信号其效果是不同的!把去噪后的信号和原始信号放在一个图中,使用不同颜色的曲线进行对比,效果可以很直观的表现。-Using matlab wavelet decomposition and reconstruction of the function for 24-bit ADC sampling data wavelet transform and de
WaveletPacketAnalysis
- 简单的小波包分解和重构单路信号,包括求小波的能量熵-Wavelet Packet Analysis
waveletsingularitydetectionsigna
- 采用2进小波对1维信号的奇异点进行检测。小波模极大值位置就是奇异点的位置-A 2 into 1-dimensional wavelet singularity detection signal. Wavelet Modulus Maxima location is the location of singular points
one-dimensional-wavelet
- 音频文件的一维小波分解程序自己编写的小波一维、二维信号分解和重构Matlab程序-One-dimensional audio file their written procedures for wavelet decomposition wavelet one-dimensional, two-dimensional signal decomposition and reconstruction of Matlab procedures
remove-noise-by-wavelet-transform
- 小波去噪,通过对含噪信号进行四层小波分解,此处利用db3小波系列,通过仿真发现可以很好的消除信号中的噪声-Wavelet denoising, the signal through four layers of noisy wavelet decomposition, where the use db3 wavelet series, the simulation found in the well to eliminate the noise signal
wavalet
- 通过小波变换对图像信号进行分解,去噪,压缩再重构,得到处理后的图像-Images using wavelet transform signal decomposition, denoising, compression and then reconstructed to obtain the processed image
Wavelet-signal-
- 小波信号分解与重构的Matlab程序,程序里边涉及卷积的直接调用的Matlab的conv()函数。-Wavelet signal decomposition and reconstruction in Matlab,Program inside invoked directly related to the convolution of Matlab conv () function.
Desktop
- EMD是处理非线性、非平稳性信号的有效的新方法,本程序是振动信号EMD分解程序,可以把振动信号分解成多个IMF分量和一个残余量。-EMD is nonlinear, effective new method of non-stationary signals, this program is the vibration signal EMD decomposition process, the vibration signal can be decomposed into multiple co
Mechanical-fault-diagnosis-method
- 经验小波变换(EWT)是一种新的自适应信号分解方法, 该方法继承了EMD 和小波分析方法的各自优点, 通过提取频域极大值点自适应地分割傅里叶频谱以分离不同的模态, 然后在频域自适应地构造带通滤波器组从而构造正交小波函数, 以提取具有紧支撑傅立叶频谱的调幅-调频(AM-FM)成分。本文将该方法引用到机械故障诊断中, 提出了一种基于经验小波变换的机械故障诊断方法, 并与EMD方法进行了对比分析。仿真结果表明, 经验小波变换方法明显优于EMD方法, 能有效地分解出信号的固有模态。与EMD 相比较, 该
EMD_EEMD_VMD
- 可用于信号的EMD、EEMD、VMD分解,里面都加了自己的注释,通俗易懂(It can be used for signal EMD, EEMD, VMD decomposition. Because the algorithm adds its own annotations, it's easy to understand)
curvelet_first_generation
- 小波变换就一个信号分解为几个信号,小波变换大量应用于图像处理、谐波分析及故障诊断中。(Wavelet transform decomposes a signal into several signals. Wavelet transform is widely used in image processing, harmonic analysis and fault diagnosis.)
An improved sparse component analysis Assembly
- 改进的盲源信号分析代码程序集,内有4个例子,对应论文为"Identification of modal parameters using an improved sparse blind source separation".
小波分解
- 小波分解,将信号分解成高频信号和低频信号进行分析(Wavelet decomposition)