If x(n) is a real sequence and X(k) is its N-point DFT, then which of – McqOptions

MCQOPTIONS

1.	If x(n) is a real sequence and X(k) is its N-point DFT, then which of the following is true?
A.	X(N-k)=X(-k)
B.	X(N-k)=X*(k)
C.	X(-k)=X*(k)
D.	All of the mentioned
Answer» E.

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))N is X(k)e-j2πkl/N.
What is the circular convolution of the sequences X1(n)={2,1,2,1} and x2(n)={1,2,3,4}, find using the DFT and IDFT concepts?
What is the circular convolution of the sequences X1(n)={2,1,2,1} and x2(n)={1,2,3,4}?
If X1(n), x2(n) and x3(m) are three sequences each of length N whose DFTs are given as X1(k), X2(k) and X3(k) respectively and X3(k)=X1(k).X2(k), then what is the expression for x3(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)=xR(n)+jxI(n), then what is the DFT of xR(n)?
WHAT_IS_THE_CIRCULAR_CONVOLUTION_OF_THE_SEQUENCES_X1(N)={2,1,2,1}_AND_X2(N)={1,2,3,4}??$
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))N is X(k)e-j2‚âà√¨‚àö√ëkl/N.$#