Title: chengxu
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Description: The original time domain signal x is FFT, and the frequency domain signal Y is obtained
spectrum shaping
In the frequency domain filtering of the original signal, the frequency domain signal Y1 (original frequency domain signal y* filter c) is obtained
Envelope spectrum
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chengxu.m chengxu1.m chengxu2.m 双列圆锥滚子轴承.jpg