As a result, the search for an appropriate sync mark need only look for {HEAD ~ minimum correlation} during {TAIL ~ shifts} at the predetermined clock interval, thereby increasing the fault tolerant characteristic of the sync mark 
during
As a result , the search for an appropriate sync mark need only look for { HEAD ~ minimum correlation } during { TAIL ~ shifts } at the predetermined clock interval , thereby increasing the fault tolerant characteristic of the sync mark
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH