... (ICP accelerometer), AC/DC; Dual-channel synchronized measurement;Rotating channel: external speed sensorTransducerAccelerometer, Velocity Pickups, Displacement Probes, photoelectricity speed sensorSignal range ... =2Hz)Lines400,800,1600,3200,6400,12800Time domain sampling1024~32768Window function typeRectangle, Hanning, Hamming, Triangle, Blackman, Kaiser WindowAveraging typeTime damain, SpectrumA ...