Research Article

Pressure Pulsation Signal Analysis for Centrifugal Compressor Blade Crack Determination

Figure 3

Signal demodulation analysis: (a) time domain signal for the simulation signal; (b) spectrum analysis for the simulation signal; (c) enlarged frequency area for the carrier frequency area.
862065.fig.003a
(a)
862065.fig.003b
(b)
862065.fig.003c
(c)