Which of the following relation is true if the signal x(n) is real? – McqOptions

MCQOPTIONS

1.	Which of the following relation is true if the signal x(n) is real?
A.	X*(ω)=X(ω)
B.	X*(ω)=X(-ω)
C.	X*(ω)= -X(ω)
D.	None of the mentioned
Answer» C. X*(ω)= -X(ω)

Discussion

No Comment Found

Related MCQs

A causal system produces the output sequence y(n)={1,0.7} when excited by the input sequence x(n)={1,-0.7,0.1}, then what is the impulse response of the system function?
If the frequency response of an FIR system is given as H(z)=1-5/2z-1-3/2z-2, then the system is:
What is the frequency range(in Hz) of Electroencephalogram(EEG)?
If the frequency response of an FIR system is given as H(z)=6+z-1-z-2, then the system is:
If the system has a impulse response as h(n)=Asin(n+1)ω0u(n), then the system is known as Digital frequency synthesizer.
If x(n)=Aejωn is the input of an LTI system and h(n) is the response of the system, then what is the output y(n) of the system?
Which of the following relation is true if the signal x(n) is real?
For a signal x(n) to exhibit even symmetry, it should satisfy the condition | X(-ω)|=| X(ω)|.
If the frequency response of an FIR system is given as H(z)=1-z-1-z-2, then the system is:
An IIR system with system function H(z)=(B(z))/(A(z)) is called a mixed phase if: