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Time domain waves and FFT spectra of the vibration signal belonging to sensor point 3H: (a) the time domain wave of Test No. 2, (b) Fourier spectra of Test No. 2, (c) the time domain wave of Test No. 4, (d) Fourier spectra of Test No. 8, (e) the time domain wave of Test No. 8, (f) Fourier spectra of Test No. 8, (g) the time domain wave of Test No. 10, (h) Fourier spectra of Test No. 10.
