For example, the threshold frequency value for identifying secondary correlations may be set to {HEAD ~ a predefined percentage rate} of {TAIL ~ the frequency band}  
of
For example , the threshold frequency value for identifying secondary correlations may be set to { HEAD ~ a predefined percentage rate } of { TAIL ~ the frequency band }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH