A method 1, wherein the coefficients of said adaptive filter V are adjusted by gradient methods or {HEAD ~ equivalent methods}, based on {TAIL ~ the minimization} of a cost function that measures a statistic dispersion of said output signal 
based on
A method 1 , wherein the coefficients of said adaptive filter V are adjusted by gradient methods or { HEAD ~ equivalent methods } , based on { TAIL ~ the minimization } of a cost function that measures a statistic dispersion of said output signal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH