搜索资源列表
MPandOMP
- MP和OMP算法的论文,一种解欠定方程的稀疏解，用完备基表达信号的分解方法-MP and OMP
eemd
- 采用EEMD方法对故障信号进行模式分解，通过产生不同的不同频率的IMF，实现对信号的诊断。-The fault signal was decomposed through EEMD method and the IMF including different frequent was produced, which can diagnose signal effectively.
Wavelet-dec--rec
- 在理解了离散小波变换的基本原理和算法的基础上，通过设计VC程序对简单的一维信 号在加上了高斯白噪声之后进行Daubechies小波、Morlet小波和Haar小波变换，从而得到小波分解系数；再通过改变分解得到的各层高频系数进行信号的小波重构达到消噪的目的。在这一程序实现的过程中能直观地理解信号小波分解重构的过程和在信号消噪中的重要作用，以及在对各层高频系数进行权重处理时系数的选取对信号消噪效果的影响。-In understanding the basis of discrete wavelet
2
- 首先，对复杂振动信号进行EMD分解，得到各个频率分量，接着，对各分量进行Hilbert变换，得到瞬时频率-END resolve,hilbert chang,evry imf,instantaneous frequency
lmd2
- 局部均值分解Local Mean Decomposition 用于振动信号的自适应分解，获得若干分量，非常实用。-Local Mean Decomposition Local Mean Decomposition is used to the adaptive Decomposition of vibration signals, gain some weight, very practical.
emd
- 经验模式分解的基础代码，可以对加了噪声的信号进行多层分解，求取imf值，并挑选出所需的基波成分-Code is the basis of empirical mode decomposition, the signal with noise can be multi-level decomposition, obtain the fund value, and sort out the fundamental wave component as needed
My_HHT_TestMain
- 基于经验模式分解的完整代码代码，可以对加了噪声的信号进行多层分解，求取imf值，并并进行hht变换，得到相应的一维、二维、三维谱图-Empirical mode decomposition code, can be to multi-layer decomposition of signal with noise, obtain the fund value, and the HHT transform, and get the corresponding one-dimensional, tw
wavletDenoise
- 小波降噪，针对语音信号，包括小波变换的分解和重构- wavletDenoising for WAV voice,including wavlet decompress and recompress.
mple6_2
- 用MATLAB实现对一语音信号用不同小波进行分解，提取各层的高低频系数，画出各系数波形，并重构。-Using MATLAB to a voice signal using different wavelet decomposition to extract layers of high and low frequency coefficients, each coefficient draw waveforms and reconstruction.
emd_by_matlab
- 用于处理信号的经验模态分解算法，请调用eemd.m函数-the emperical mode decompostion codes by matlab
mirror-emd
- 镜像经验模态分解，可以实现信号的分析与分解，也可以做时频图-Mirroring the empirical mode decomposition, analysis and decomposition of the signal can be achieved, but also can do the time-frequency diagram
EMD在广西季节降水预报中的应用
- 气候系统是一种耗散的!具有多个不稳定源的非线性!非平稳系统 该文利用支持向量机(SV M )算法在处理非 线性问题中的优越性和经验模态分解(E M l))算法在处理非平稳信号中的优势,采用将 E M D 与 SV M 相结合的短期气候预测方法,并应用到广西季节降水预报中
wavelet1D
- 本函数将完成对输入的一维信号进行多尺度离散小波分解-This function will complete the one-dimensional signal input multi-scale wavelet decomposition
wavelet2D
- 本函数将完成对输入的二维信号进行多尺度离散小波分解-This function will complete the two-dimensional signal input multi-scale wavelet decomposition
Wavelet-reconstruction
- 小波的分解与重构_去噪。对含噪的信号去噪，实现信噪分离-Wavelet decomposition and reconstruction _ de-noising. Noisy signal de-noising, to achieve the signal to noise separation
SVD
- 对lorenz信号的（svd）奇异值分解降噪，- lorenz signal noise singular value decomposition
2014911LMD
- 局部均值分解算法，适用于从事机械信号处理研究人员，对LMD方法的初步认识-Local mean decomposition algorithms for signal processing researchers in mechanical preliminary understanding of the LMD method
qiyizhifenjie
- 奇异值分解用在振动信号降噪，很好用，建议下载-Singular Value Decomposition
tt
- 基于matlab小波变换分解信号并重构算法过程分析及代码-Signal based on wavelet transform decomposition and reconstruction algorithm matlab process analysis and code
MIMO-OFDM
- 在MIMO2*2的无线信道环境下，运用OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术，发送信号，经过奇异值分解预编码，调制，在接收端解调，均衡，最终等到估计信号，并计算了整个系统的误码率；-In the wireless channel environment MIMO2* 2, the use of OFDM (Orthogonal Frequency Division Multiplexing) that is an ort