Module 2 : Signals in Frequency Domain
Lecture 19 : Periodic Convolution and Auto-Correlation
Conclusion:
In this lecture you have learnt:
Periodic convolution or circular convolution of
x(.)
with
h(.)
is denoted by
and is defined as :
=
Fourier Transform of
Parseval's theorem in the context of periodic signals is
Auto correlation is defined as
Cross correlation is defined as
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and is defined as : 
