If X(k) is the N-point DFT of a sequence x(n), then what is the DFT of – McqOptions

MCQOPTIONS

1.	If X(k) is the N-point DFT of a sequence x(n), then what is the DFT of x*(n)?
A.	X(N-k)
B.	X*(k)
C.	X*(N-k)
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

No Comment Found

Related MCQs

If X(k) is the N-point DFT of a sequence x(n), then what is the DFT of x*(n)?
If X(k) is the N-point DFT of a sequence x(n), then circular time shift property is that N-point DFT of x((n-l))<sub>N</sub> is X(k)e<sup>-j2 kl/N</sup>.
What is the circular convolution of the sequences X<sub>1</sub>(n)={2,1,2,1} and x<sub>2</sub>(n)={1,2,3,4}, find using the DFT and IDFT concepts?
What is the circular convolution of the sequences X<sub>1</sub>(n)={2,1,2,1} and x<sub>2</sub>(n)={1,2,3,4}?
If X<sub>1</sub>(n), x<sub>2</sub>(n) and x<sub>3</sub>(m) are three sequences each of length N whose DFTs are given as X<sub>1</sub>(k), X<sub>2</sub>(k) and X3(k) respectively and X3(k)=X<sub>1</sub>(k).X<sub>2</sub>(k), then what is the expression for x<sub>3</sub>(m)?
If x(n) is real and odd, then what is the IDFT of the given sequence?
If x(n) is real and even, then what is the DFT of x(n)?
If x(n) is a complex valued sequence given by x(n)=x<sub>R</sub>(n)+jx<sub>I</sub>(n), then what is the DFT of xR(n)?
If X<sub>1</sub>(k) and X<sub>2</sub>(k) are the N-point DFTs of X<sub>1</sub>(n) and x<sub>2</sub>(n) respectively, then what is the N-point DFT of x(n)=ax<sub>1</sub>(n)+bx<sub>2</sub>(n)?