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(Chapter no. 8 to Chapter no.11 CTFS, CTFT, DTFS, DTFT).
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- John G. Prokis and Dimitris G Manolakis, "Digital Signal Processing", Prentice Hall Publications, 1996.
- Richard Tolimieri and Myoung and Chao Lu, "Algorithms for Discrete Fourier Transform and Convolution Springer verlag.
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