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A note on Up-Samnpling/Down-Sampling: During downsampling a discrete-time signal, x, (which can be interpreted as the sampled and discretized version of an underlying BL continuous-time signal, x(t)), we multiply x with an impulse train, p, of period N.You need to have earned minimum 20 pnts (out of 65 pnts) from the midterms and the quizzes to take the final exam.
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DISCRETE TIME SIGNAL PROCESSING OPPENHEIM 3RD EDITION EDU SERIES
Fourier series representation of periodic signals, Fourier transform of continuous-time and discrete-time signals, Sampling, Laplace transform and z-transform. Linear time-invariant systems, convolution. Continuous-time and discrete-time signals and systems, basic system properties.