In {HEAD ~ the method}, the detector detects {TAIL ~ an output signal} of the supply modulator 
In { HEAD ~ the method } , the detector detects { TAIL ~ an output signal } of the supply modulator
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH