Some wiggly Line Sampled signal: x[n]=1+sin(nPI/4)+2cos(nPI/2) Time 34 3.0 3.0428 2.7969 2.3209 1.7071 1.0661 0.5097 0.1330 0.0 0.1330 0.5097 1.0661 1.7071 2.3209 2.7969 3.0428 3.0 2.6527 2.0315 1.2098 0.2929 -0.5968 -1.3381 -1.8285 -2.0000 -1.8285 -1.3381 -0.5968 0.2929 1.2098 2.0315 2.6527 3.0000 3.0428 Another wiggly Line Sampled signal: x[n]=1+sin(nPI/4)+2cos(nPI/2) Time 17 3.0 2.7969 1.7071 0.5097 0.0 0.5097 1.7071 2.7969 3.0 2.0315 0.2929 -1.3381 -2.0000 -1.3381 0.2929 2.0315 3.0 A Graph Complex spectral harmonics x[k] obtained from DFT of x[n] Frequency 8 1.00 0.00 0.00 -0.50 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.50