Question: ( b ) The mean power, , at the output of an adaptive noise canceller is given by = 4 7 [ 1 4 1

(b) The mean power, , at the output of an adaptive noise canceller is given by =47[1416]+[2112] where is a column vector of time-varying weights. (i) Determine the value for that gives the minimum possible mean power ().(ii) Determine the minimum possible mean power ().

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