A machine implemented method of simulating an acoustic received signal arising from an acoustic source signal scattered by a target having a plurality of highlights, {HEAD ~ the method} comprising {TAIL ~ the unordered steps} of: 
A machine implemented method of simulating an acoustic received signal arising from an acoustic source signal scattered by a target having a plurality of highlights , { HEAD ~ the method } comprising { TAIL ~ the unordered steps } of :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH