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ECE · Q180

Signal Processing

Engineering and GATE · ECE · question 180

Q180

a(n) is a real-valued periodic sequence with a period N. x(n) and X(k) form N-point Discrete Fourier Transform (DFT) pairs. The DFT Y(k) of the sequence y ( n ) = 1/N _r = 0^N - 1 x ( r ) x ( n + r ) is

{a(n)} is a real-valued periodic sequence with a period N. x(n) and X(k) form N-point Discrete Fourier Transform (DFT) pairs. The DFT Y(k) of the sequence
     is
A.
Answer
B.
C.
D.
0

Answer: Option A

Solution

Answer: Option A
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