1.

What is the Fourier transform X( ) of a finite energy discrete time signal x(n)?

A. ( sum_{n=- }^ x(n)e^{-j n} )
B. ( sum_{n=0}^ x(n)e^{-j n} )
C. ( sum_{n=0}^{N-1}x(n)e^{-j n} )
D. None of the mentioned
Answer» B. ( sum_{n=0}^ x(n)e^{-j n} )


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