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(d)Figure 8.20 Interpretation of circular convolution as linear convolution followed by aliasing for the circular convolution of the two sequences x1[n] and x2[n] in Figure 8.19.

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(d)Figure 8.20 Interpretation of circular convolution as linear convolution followed by aliasing for the circular convolution of the two sequences x1[n] and x2[n] in Figure 8.19.