The vibrating signals collected from pump bearings by a velocity sensor were analyzed with short time Fourier transform(STFT), wavelet transform(WT) and wavelet packet transform(WPT) in the paper.
对磁电式速度传感器采集的水泵轴承振动信号分别进行了短时傅立叶变换、小波变换、小波包变换。
The vibrating signals collected from pump bearings by a velocity sensor were analyzed with short time Fourier transform(STFT), wavelet transform(WT) and wavelet packet transform(WPT) in the paper.
对磁电式速度传感器采集的水泵轴承振动信号分别进行了短时傅立叶变换、小波变换、小波包变换。
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