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cyclostationary_toolbox

于 2018-08-06 发布文件大小:2776KB

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循环平稳信号是一类特殊的非平稳信号，其统计特征具有随时间呈周期变化的特点。旋转机械由于周期运行方式其振动信号具有循环平稳特性，因此利用循环平稳分析方法能够提取出在平稳假设下所不能得到的隐藏故障特征信息，为有效地分离和识别旋转机械早期微弱故障特征提供可能。(The cyclostationary signal is a special type of non-stationary signal whose statistical characteristics have a periodic variation with time. Due to the cyclical operation of the rotating machinery, the vibration signal has the characteristics of cyclostationary stability. Therefore, the cyclostationary analysis method can extract the hidden fault feature information that can not be obtained under the stationary assumption, which provides the possibility to effectively separate and identify the early weak fault features of the rotating machinery.)

文件列表：

cyclostationary_toolbox\17869305ADA311555.zip, 2799755 , 2018-08-02
cyclostationary_toolbox\2018.8.2cyclic_cross_periodogram.rar, 1128 , 2018-08-02
cyclostationary_toolbox\23825787qpsk.zip, 4201 , 2018-08-03
cyclostationary_toolbox\32485677csd_of_communication_signals.rar, 2519 , 2018-08-02
cyclostationary_toolbox\3330126cyclostationary_toolbox.rar, 26166 , 2018-08-02
cyclostationary_toolbox\37724109bpsk.zip, 2211 , 2018-08-03
cyclostationary_toolbox\95218311Spectral-Correlation.zip, 6405 , 2018-08-02
cyclostationary_toolbox\95448674scf.rar, 1065 , 2018-08-02
cyclostationary_toolbox, 0 , 2018-08-06

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全局阈值去噪
比较了选取统一阈值和自己选取阈值，可以看出选取同一阈值去噪效果更好(You can see the benefits of a uniform threshold.)

2021-04-26 15:18:45下载

积分：1
wavelet
说明：小波变换用于脑电信号处理，可以很好的对脑电信号进行时频分析(Wavelet transform for EEG signal processing, can be very good for time-frequency analysis of EEG)

2011-03-04 19:17:07下载

积分：1
Wavelet_FORTRAN
用Fortran编写的小波变换用小程序，可实现简单的小波分析功能(Written in Fortran with a small application of wavelet transform, wavelet analysis can be simple functions)

2011-07-18 22:11:27下载

积分：1
flourierwavelet
使用傅里叶变换和小波变换提取心电信号中的呼吸信号(Using the Fourier transform and the wavelet transform to extract the breathing signal ECG)

2013-03-06 11:08:15下载

积分：1
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
abr_filter
自己编写的αβγ滤波器工具函数，能够实现其滤波和平滑功能(Αβγ filter tool to write your own functions to achieve its filtering and smoothing function)

2012-10-09 15:16:45下载

积分：1
matlab
本书简明扼要地介绍了时间序列及其相关领域的基本概念和基本理论，对ARMA序列预测、时间序列的统计分析、时间序列的时频分析和时间序列的小波变换等给出了有关分析计算方法，结合MATLAB编程应用，介绍了MATLAB时间序列分析有关函数的功能和用法，阐述了如何利用这些函数解决工程应用中的问题。(This book succinctly describes the time sequence and its related fields of basic concepts and theories of the ARMA series forecasting, time series statistical analysis, time series analysis and time-frequency wavelet transform of time series analysis and calculation are given about methods, combined with MATLAB programming applications, the introduction of time series analysis MATLAB functions about functions and usage, explains how to use these functions to solve engineering problems in the application.)

2013-08-31 14:27:04下载

积分：1
xierbotebianhuan
希尔伯特变换和小波包结合的齿轮箱故障诊断方法，里面有具体的介绍小波包的分层方法，非常详细，可以下下来看看(Hilbert transform and wavelet packet of gearbox fault diagnosis method, there is detailed introduction inside the layered method of wavelet packet is very detailed, can down and have a look )

2013-09-24 10:02:39下载

积分：1
qwet1234
在 MATLAB 中的窗函数,十分简单：矩形窗三角窗汉宁窗海明窗布拉克曼窗恺撒窗 (In MATLAB, the window function is very simple: a rectangular window of triangular windows Hanning Hamming Blackman Window Caesar Window)

2010-03-10 12:40:34下载

积分：1
小波对图像的二次压缩.
说明：给出了在matlab环境下的源代码，经过了上机调试，可以实现小波变换对图像的二次压缩！(given Matlab environment in the source code, after the Machine, can achieve a wavelet transform of the second image compression!)

2005-09-19 10:59:51下载

积分：1

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