Preferably, {TAIL ~ the method} uses {HEAD ~ an adaptive filter} to determine the location of the fault 
Preferably , { TAIL ~ the method } uses { HEAD ~ an adaptive filter } to determine the location of the fault
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH