The exciting pulses are of similar magnitude and timing as that of the signal field generated by {HEAD ~ the slip drive} of {TAIL ~ the stepper motor} 
of
The exciting pulses are of similar magnitude and timing as that of the signal field generated by { HEAD ~ the slip drive } of { TAIL ~ the stepper motor }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL