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cyclostationary_toolbox

于 2018-08-06 发布文件大小:2776KB

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代码说明：

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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xianbofilter
设计陷波滤波器，建立原始信号，对其采样，将采样信号通过滤波器进行滤波(Design trapped wave filter, establish the original signal, the sampling, will sampling signal through the filter to filter)

2012-05-13 10:08:42下载

积分：1
Wavelet_OMP
包含压缩传感的随机矩阵程序，如小波变换和高斯随机矩阵和omp重构算法(Random matrix containing the compressed sensing programs, such as wavelet transform and Gaussian random matrices and omp reconstruction algorithm)

2013-11-07 21:34:47下载

积分：1
fft
说明：用于计算一个实数或复数序列的离散傅里叶变换和一个复数序列的逆离散傅里叶变换(fast fourier transform subroutine for real valued series)

2020-06-24 20:00:02下载

积分：1
the-implementation-of-the-SVD
svd算法的实现,用matlab实现SVD算法(the implementation of the SVD algorithm)

2021-03-10 09:49:26下载

积分：1
Savitzky-Golay filter
Savitzky-Golay滤波是一种工程应用数据处理中高效的滤波方法，能同时得到平滑后的数据和数据梯度。(Savitzky-Golay filter is an efficient filtering method in engineering application data processing, which can simultaneously obtain the smoothed data and data gradient.)

2018-03-28 11:04:34下载

积分：1
voltage-sag-lacote
基于小波变换的电压暂降定位利用模极大值原理实现暂降起止时刻的准确检测(voltage sag lacote based on wavelet transform Used to achieve maximum modulus principle sag beginning and ending time of the accurate detection)

2020-11-21 11:19:36下载

积分：1
Eslami_HWD_Toolbox (1)
小波基contourlet变换其中包含spiht编码去噪纹理识别(Wavelet transform contourlet transform includes SPIHT coding and denoising texture recognition.)

2021-04-01 09:09:08下载

积分：1
haar
说明：利用Harr将图像进行3层小波变换，并进行重建。里面包含测试图片及变换后系数重新排列后的结构图。(Harr is used to transform the image into three-layer wavelet transform and reconstruct it. It contains the test picture and the structure chart of the coefficient rearrangement after transformation.)

2019-05-15 17:09:28下载

积分：1
emd
说明：个比较经典的二维经验模式分解程序代码，适用于图像分解，加油(Comparison the classical two-dimensional empirical mode decomposition code for the image decomposition, refueling)

2010-03-20 10:45:15下载

积分：1
gaga
基于小波变换的ECG信号去噪系统设计,在信号采集时，身体的任一微小运动都会产生“基线漂移”，这是一种低频干扰，同时，由于肌电的存在又产生了高频的肌电噪声，由于空间电磁场的存在又使心电信号中混有50Hz的工频干扰。这些噪声不去除，就会影响下一步的信号处理。综合运用数字信号处理的理论知识进行生物医学信号增强系统设计，实现ECG信号的去噪，从而加深对小波变换及其应用的理解，建立概念多分辨分析的概念，加深理解信号增强的原理、方法和步骤。本设计的主要内容是设计一个基于小波变换的ECG信号去噪系统，实现ECG信号的去噪。 (ECG signal denoising based on wavelet transform system design, signal acquisition, any small movement of the body will have a " baseline drift" , which is a low-frequency interference, while the high frequency due to the existence of the EMG muscle electrical noise due to the presence of electromagnetic field and the ECG signal mixed with a 50Hz power frequency interference. The noise is not removed, it will affect the next step in the signal processing. Use the theoretical knowledge of digital signal processing for biomedical signal enhancement system design to achieve the de-noising of ECG signal, so as to deepen understanding of the wavelet transform and its applications, to establish the concept of multi-resolution analysis of the concept, deepen the understanding of signal enhancement of the principle, the method and steps. The main elements of this design is the design of an ECG signal denoising based on wavelet transform denoising the ECG signals.)

2012-07-07 16:25:58下载

积分：1

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