Multifault Diagnosis of Rolling Element Bearings Using a Wavelet Kurtogram and Vector Median-Based Feature Analysis

Table 4

Specifications of the data acquisition system.

PCI-2 based AE system	(i) ADC: 18-bit 40 MS/s per channel maximum; (ii) Frequency response: 1 kHz–3 MHz (at −3 dB points); (iii) Sample rate: 100 kS/s, 200 kS/s, 500 kS/s, 1 MS/s, 2 MS/s, 5 MS/s, 10 MS/s, 20 MS/s, and 40 MS/s are selectable
WSα sensor	(i) Peak sensitivity (V/bar): −62 dB; (ii) Operating frequency range: 100–900 kHz; (iii) Resonant frequency: 650 kHz

kS/s: kSamples per second; MS/s: MSamples per second.