In one embodiment, the signal processing system adapts to {HEAD ~ varying channel power levels} by adjusting {TAIL ~ the magnitude threshold} 
by adjusting
In one embodiment , the signal processing system adapts to { HEAD ~ varying channel power levels } by adjusting { TAIL ~ the magnitude threshold }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL