Convolution of a digitized signal with an FIR filter and signal energy
The filter 1+Z+Z^2 corresponds to a 3-tap FIR filter with coefficients h=[1,1,1]. Convolving with the input x=[1,2,4,3,1]: y[0]=1(1)=1; y[1]=1(2)+1(1)=3; y[2]=1(4)+1(2)+1(1)=7; y[3]=1(3)+1(4)+1(2)=9; y[4]=1(1)+1(3)+1(4)=8; y[5]=1(1)+1(3)=4; y[6]=1(1)=1. Output...
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