中文说明：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。
English Description：
This program is simple and practical, and can be used for data feature extraction. The waveform factor, kurtosis and band energy percentage are selected.
Matlab code implementation is simple and practical
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中文说明：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。
English Description：
This program is simple and practical, and can be used for data feature extraction. The waveform factor, kurtosis and band energy percentage are selected.