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Study-on-compound-fault-diagnosis
- 针对滚动轴承复合故障信号特征难以分离的问题， 提出将双树复小波变换和独立分量分析( ICA) 结合的故障诊断方 法 该方法首先将非平稳的故障信号通过双树复小波变换分解为若干不同频带的分量 由于各个分量存在一定的频率混叠， 对 故障信号特征提取有很大的干扰， 进而引入 ICA 对各个分量所组成的混合信号进行盲源分离， 从而尽可能消除频率混叠 最后 对从混合信号中分离出来的独立分量信号进行希尔伯特包络解调， 即可实现对复合故障特征信息的分离和故障识别-Aiming at the diff
DoubleDensityWavelet
- 二维双密度双树（复数）小波变换包。包含基于小波变换的基本的阈值处理运算。-2-D Double-Density Complex Wavelet Transform。There are two versions of the 2-D double-density dual-tree DWT: (1) The 2-D double-density dual-tree real-oriented DWT, which is 2-times expansive, and (2) The 2-D doub
Wavelab850
- 小波变化软件包，里面包含有比较全面的小波变换matlab函数，以及相应的一些实例，可以-wavelet transform
tqwt_matlab_toolbox
- 可调Q因子小波变换，用在故障诊断中，程序中包含了原始TQWT工具箱和轴承振动信号信号的谱包络的求取等，最新的应用成果-Adjustable Q-factor wavelet transform used in fault diagnosis, the program includes a spectral envelope of the original TQWT toolbox and bearing vibration signal signal to strike, etc., the l
SCSToolboxV31
- 某国外大学开发的小波变换工具包，针对Matlab开发环境。-matlab toolboxs for wavelet transformation developed by an university outsea
whmt1_0
- 隐马尔科夫树模型，这是一个自包含的程序包，包括2维离散小波变换和逆小波变换 例程。在每个子带中每个刻度的所有小波系数都绑在一起，避免了模型的过度拟合。-This is a self-contained package including the 2-D DWT and inverse DWT routines. All wavelet coefficients at each scale within each subband are tied together to avoid ov
xiaoboPc
- 小波变换已应用到工程的各个方面，但一般只是应用MATLAB的小波工具包来编程，有时需要自己编程实现，故这里给出了DB4小波变换的C实现-Wavelet transform has been applied to all aspects of the project, but generally only apply MATLAB wavelet toolkit for programming, sometimes need their own programming, so here is a
wavelet-outer-fault
- 滚动轴承外圈故障频率，小波分析后包络变换，数据来源西储大学-Rolling bearing outer fault wavelet analysis
wave-transform
- 此压缩包包含了小波变换的代码，详细解说了每一部分的功能，十分有益于理解-This package includes wavelet transform code, detailed explanation of each part of the function, is very beneficial to understand
boluoxinhao
- 基于复解析小波变换的信号包络检测的程序仿真- the simulation program of based on complex analytic wavelet transform signal envelope detection
GaborCreate
- 压缩包内包含一个调试好的Qt工程，具有创建5个尺度8个方向共40个不同Gabor滤波器并显示；图片做Gabor小波变换并显示等功能。-Compressed package that contains a good debugging Qt project has to create 5 scale 8 Total 40 different directions Gabor filter and display pictures do Gabor wavelet transform and di
shunshipinlvpuguji
- 基于瞬时频率的码元速率估计，mpsk函数和test_signal函数都在基于小波变换压缩包内-Symbol rate estimation based on instantaneous frequency, qpsk function and test_signal functions in the compression package based on wavelet transform
1HIBERT
- hilbert提取心音包络.此程序包含心音信号的低通滤波、小波去噪、EMD分解、希尔伯特黄变换以及心音阈值定位一系列算法。-hilbert extract PCG envelope low pass filter This program contains heart sound signals, wavelet de-noising, EMD decomposition, Hilbert-Huang transform and heart sound threshold locate a se
Image-compressed-Based-on-wavelet
- 如文件名所述，此压缩包基于小波变换的图像压缩和解压源代码以及测试所用图片。-Compression and decompression of the source code image based on wavelet transform.
qcfmggga
- 含噪脉冲信号进行相关检测,最大信噪比的独立分量分析算法，结合PCA的尺度不变特征变换(SIFT)算法，微分方程组数值解方法，数据包传送源码程序，采用波束成形技术的BER计算，pwm整流器的建模仿真，有小波分析的盲信号处理。-Noisy pulse correlation detection signal, SNR largest independent component analysis algorithm, Combined with PCA scale invariant feature
MATLABwavelettransformforexample
- 程序为关于小波变换的程序包，包含了自己基于小波变换的做的一些实例分析运用，可能对于初学者比较有意义-About Package program for the wavelet transform, including some of his examples of wavelet analysis done based on use, it may be more meaningful for beginners
EWT20130617
- 由加州理工大学教授开发的经验小波变换算法程序包，经检验比小波效果更好-California Institute of Technology developed by Professor experiences wavelet transform algorithm package, the test better than wavelet effect
nieyun
- 信号处理中的旋转不变子空间法，Gabor小波变换与PCA的人脸识别代码，数据包传送源码程序。- Signal Processing ESPRIT method, Gabor wavelet transform and PCA face recognition code, Data packet transfer source program.
baiyie_v49
- Gabor小波变换与PCA的人脸识别代码，在MATLAB中求图像纹理特征，数据包传送源码程序。- Gabor wavelet transform and PCA face recognition code, In the M
FSWT-and-Spectrum-Kurtosis
- 本文提出一种基于频率切片小波变换和谱峭度的综合算法。首先对轴承端的振动信号时频分析，采用FFT、包络谱、频率切片小波变换对其频域性能进行分析，再求其峭度谱与对应包络谱，结合其时域、频域性能，综合分析轴承故障。-This paper presents a synthesis algorithm based on frequency slice wavelet transform and spectral kurtosis. Firstly, the time-frequency analysis