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baoluopu
- 对一段振动信号emd分解后,求每个分量的峭度值,选取峭度最大的分量,求其包络谱,能够明显看出特征频率。-After a period of vibration signal emd decomposition, seeking kurtosis value of each component, the largest component of kurtosis, seeking its envelope spectrum, can obviously see that the characte
Fast--Kurtogram
- 将信号分为不同频带,计算峭度值,选择峭度值最大的频带解调分析-divide The signal into different frequency bands, calculate kurtosis value, the maximum kurtosis band demodulation
tongji
- 时域统计信息量,方差、均方根值、峭度因子、波形因子等-Time domain statistical information, variance, root mean square value, kurtosis factor, waveform factor, etc
STATS
- 本程序为描述统计常用变量计算 !调用计算最大值和最小值的冒泡程序,计算平均值,标准差,计偏态、峰态系数的函数等 !可以计算的统计变量包括下列各项: !n : sample size 样本大小 !mean : 平均值 !median : 中位数 !variance: 方差 !SD : 样本标准差 standard deviation !SEM : 样本平均数标准误:standard error of mean !ama
matlab程序
- 能够从信号中提取时域参数,包括:均值、峰值、均方根值、偏斜度、峭度等。(The time domain parameters can be extracted from the signal, including mean, peak, RMS, skewness, kurtosis, etc.)
tezhengzhi
- 时域指标特征提取:包含均值、方差、最大最小值,峭度指标等16个指标(Time domain index feature extraction: including the mean, variance, maximum and minimum values, kurtosis indicators and other 16 indicators)
优化K值
- 分解信号,能量差值优化K,峭度,样本熵,排列熵(Decomposition of signal, optimization of energy difference value K, kurtosis, sample entropy, permutation entropy)