Digital Signal Processing Properties Fourier Transform Discrete Time Signals Online Exam Quiz
Digital Signal Processing Properties Fourier Transform Discrete Time Signals GK Quiz. Question and Answers related to Digital Signal Processing Properties Fourier Transform Discrete Time Signals. MCQ (Multiple Choice Questions with answers about Digital Signal Processing Properties Fourier Transform Discrete Time Signals
If x(n)=A, -M<n<M,; x(n)=0, elsewhere. Then what is the Fourier transform of the signal?
Options
A : Afrac{sin?(M-frac{1}{2})?}{sin?(frac{?}{2})}
B : A2frac{sin?(M+frac{1}{2})?}{sin?(frac{?}{2})}
C : Afrac{sin?(M+frac{1}{2})?}{sin?(frac{?}{2})}
D : frac{sin?(M-frac{1}{2})?}{sin?(frac{?}{2})}
If X(?) is the Fourier transform of the signal x(n), then what is the Fourier transform of the signal x(n-k)?
Options
A : ej?k. X(-?)
B : ej?k. X(?)
C : e-j?k. X(-?)
D : e-j?k. X(?)
Which of the following relations are true if x(n) is real?
Options
A : X(?)=X(-?)
B : X(?)=-X(-?)
C : X*(?)=X(?)
D : X*(?)=X(-?)
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