9.1.3 Noise Cancelation Signal s(n)+(n) e(n source Primary input Noise (倒 Filter source Reference input The signals s(n),v(n),and v2(n)are jointly wide-sense stationary with zero mean values.The"clean"signal is given by the error e(n)=s(n)+[y(n)-n)] where (n)depends on the filter structure and parameters The signals and are jointly wide-sense stationary with zero mean values. The “clean” signal is given by the error s n v n ( ) ( ) 1   v n 2 ( ) where depends on the filter structure and parameters. y n ˆ( ) 9.1.3 Noise Cancelation