Furthermore, {HEAD ~ the embodiments} provide {TAIL ~ a method} of reducing the condition of the deterministic correlation matrix used in the least squares method 
provide
Furthermore , { HEAD ~ the embodiments } provide { TAIL ~ a method } of reducing the condition of the deterministic correlation matrix used in the least squares method
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH