Solved Examples - Discrete Fourier Transform

# Solved Examples - Discrete Fourier Transform Notes | Study Signals and Systems - Electronics and Communication Engineering (ECE)

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Example 1

Verify Parseval’s theorem of the sequence

Solution

We can see that, LHS = RHS.(Hence Proved)

Example 2

Compute the N-point DFT of x(n) = 3δ(n)

Solution − We know that,

So,

Example 3

Compute the N-point DFT of x(n) = 7(n−n0)

Solution − We know that,

Substituting the value of x(n),

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## Signals and Systems

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