搜索资源列表
kurt_grad
- 这是基于峭度的梯度算法,混合方式是线性瞬时混合,源信号和混合信号相等,该算法很有学习意义。-failed to translate
FastICA_Kurt
- 这个算法是基于峭度的快速不动点算法,混合方式是线性瞬时混合,适定情况,该算法收敛速度较梯度算法快,很实用。-failed to translate
tezhengtiqu
- 此程序简单实用,用于数据的特征提取。选取了波形因子、峭度、频段带能量百分比等时域频域特征量。-This procedure is simple and practical, for data feature extraction. Select form factor, kurtosis, band band energy percentage frequency domain characteristics.
LDA_TrainTest_5CV
- 提取数据波形时域特征(绝对幅值、平均值、峭度、过零点)并且用LDA分类-Time-domain waveform data extraction features (absolute amplitude, mean, kurtosis, zero crossing) and classification with LDA
mckd
- 峭度相关最大化解卷积(MCKD),可以用来设计滤波器,提取噪声背景下的冲击成分-maximum related Kurtosis deconvolution (MCKD), can be used to design a filter to extract the impact of background noise component
xinhaochuli
- 近期成果,与大家分享:奇异值分解、小波降噪、zoom细化 谱峭度 和滤波器设计,共勉-Recent achievements to share with you: singular value decomposition, wavelet noise reduction, zoom refined spectral kurtosis and filter design, encouragement
waidu_qiaodu
- matlab程序,用于计算振动测试中歪度与峭度的函数。-matlab program, used to calculate the vibration test skewness and kurtosis of the function.
qiaodu
- 振动信号的峭度指标在labview中实现,对振动信号的评价很准。-Labview achieve signal kurtosis
BSS
- 盲源分离;求峭度;可以把混合信号分离出来,并且可以比较前后分离信号的峭度-Blind source separation seek kurtosis can separate the mixed signal, and the signal can be compared before and after the separation of kurtosis
kurt_FastICA
- 基于峭度的盲源分离,采用FastICA技术,适合初学者-BSS based on kurtosis by FastICA
kurt_grad_
- 基于峭度的盲源分离,使用最速下降法,适合初学者-BSS based on kurtosis by gradient
kurt_grad_vary
- 基于分离度的变步长盲源分离算法,将峭度梯度算法改进成变步长梯度算法,提高了分离性能,使收敛速度加快,使计算耗时减少。程序编入了两种算法的对比。-BSS based on separation degree by vary step gradient.
test2
- 他是HHT,经过EMD 分解后得到各阶imf分量。并且对各阶imf分量进行峭度求取。是经典的程序。-He is the HHT, EMD decomposition after each order imf components. And for each component of kurtosis order imf strike. Is a classic program.
shiyuzhibiao16
- 信号特征提取16个时域、频域指标 均值、标准差、方差、 偏斜度指标、峭度指标、 峰-峰值、峰值、均方幅值、平均幅值、方根幅值、波形指标、峰值指标-Signal feature extraction 16 time domain, frequency domain mean, standard deviation, variance, skewness index, kurtosis index, peak- peak, mean square amplitude, average ampli
dual-tree
- 首先将非平稳的故障振动信号进行双树复小波包分解,得 到不同频带的分量;然后对每个分量求其峭度值和相关系数并进行比较;最后选取峭度值和相关系数较大的分量 进行软阈值降噪和双树复小波包重构,即可有效地消除振动信号中噪声的干扰,同时保留信号中的有效信息即实 现了故障特征信息的提取。-In view of the above situation, a new fault diagnosis method is proposed based on dual-tree complex wa
energy-leakage--dual-tree
- 首先根据高斯白噪声频率充满整个频带的特性,通过双树复小波包变换对高斯白噪声进行分解,利用频带能量泄漏的定量分析方法,验证了双树复小波包变换具有较低的频带能量泄漏特性;其次利用双树复小波包变换逐层分解信号,对每层分解所得分量求其FFT谱的峭度,得到基于双树复小波包变换的谱峭度图,根据图中峭度最大的原则,可以自动准确的选择信号分解最佳层数和最佳分量;最后将基于双树复小波包变换的谱峭度图的故障诊断方法应用于实际工程中,对齿轮故障振动信号进行分析,选择最佳分解层数和分量后利用希尔伯特包络解调,有效准确地
Time-domain-index-calculation
- 信号的一些时域指标计算,有效值,峰峰值,峭度,能量,倾斜度等-Calculation, effective value, some indexes of time domain signal peak, kurtosis, energy, gradient
TimeDomainFeature
- 比较全的信号统计特征的调用程序,包括均值MV, 均方根值RMS, 方根幅值RA, 绝对平均值AA, 偏斜度SKEW, 峭度KV, 方差VAR, 最大值maxW, 最小值minW, 峰-峰值PPV-Compare all the statistical characteristics of the signal caller, including mean MV, RMS value RMS, root amplitude RA, absolute average AA, skewness SKE
Fast-Kurtogram
- 轴承故障谱峭度分析,打开直接运行,包含包络谱分析-Bearing failure analysis of spectral kurtosis, open directly run, including envelope spectrum analysis
zhengdongxinhao
- 对机械类振动信号处理,时域内特征值得提取,均值、均方根、绝对平均幅值、峭度等-For mechanical vibration signal processing, time domain feature extraction worth, mean, RMS, mean absolute amplitude, kurtosis, etc.