The device 12, wherein the at least one of an integration interval and {HEAD ~ the number} of {TAIL ~ coherent passes} are derived from a look up table 
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The device 12 , wherein the at least one of an integration interval and { HEAD ~ the number } of { TAIL ~ coherent passes } are derived from a look up table
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 OTH OTH OTH OTH OTH OTH OTH