The excursion signal generator identifies a peak portion of a signal exceeding {HEAD ~ a threshold}, such as {TAIL ~ a magnitude threshold} 
such as
The excursion signal generator identifies a peak portion of a signal exceeding { HEAD ~ a threshold } , such as { TAIL ~ a magnitude threshold }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL