EC > GATE 2013 SET-1 > DFT
The DFT of a vector [a b c d] is the vector [α β γ δ]. Consider the product,
The DFT of the vector [p q r s] is a scaled version of
A
[α2 β2 γ2 δ2]
B
[α β γ δ]
C
[αβ + βδ + δγ + γα]
D
[α β γ δ]

Correct : a

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DFT product DFT scaling GATE EC 2013 EC gate DFT vector product DFT scaling property DFT matrix DFT complex numbers

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