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Module 3 : Sampling & Reconstruction

Lecture 24 : Realistic sampling of signals

Objective:
Scope of this lecture:
In the previous lecture we have seen the application of a train of pulses in obtaining a sampled version of the Continuous Time signal 'x(t)'. Here you will see in reality that how a train of pulses gets multiplied with the C.T. signal and thus resulting in the sampled signal.
	Realistic sampling of signals by train of pulses.
	Method of generating train of pulses.
	Fourier transform of sampled signal .
	To find condition for the train of pulses used for sampling.