Module 3 : Sampling and Reconstruction
Lecture 29 : Inverse Discrete Time Fourier Tranform
Conclusion:
In this lecture you have learnt:
DTFT is periodic in
with period
and also , the I-DTFT is periodic in
with period
.
THE DTFT
.
.
Parseval's Relation for Discrete periodic signals :
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with period 
and also , the I-DTFT is periodic in 
. 
.
