Explore topic-wise MCQs in Digital Signal Processing Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The characteristic of windowing the signal called “Leakage” is the power that is leaked out into the entire frequency range.

A. True
B. False
Answer» B. False
Discussion
2.

If x(n)=cosω0n and W(ω) is the Fourier transform of the rectangular signal w(n), then what is the Fourier transform of the signal x(n).w(n)?

A. 1/2[W(ω-ω0)- W(ω+ω0)]
B. 1/2[W(ω-ω0)+ W(ω+ω0)]
C. [W(ω-ω0)+ W(ω+ω0)]
D. [W(ω-ω0)- W(ω+ω0)]
Answer» C. [W(ω-ω0)+ W(ω+ω0)]
Discussion
3.

If {x(n)} is the signal to be analyzed, limiting the duration of the sequence to L samples, in the interval 0≤ n≤ L-1, is equivalent to multiplying {x(n)} by?

A. Kaiser window
B. Hamming window
C. Hanning window
D. Rectangular window
Answer» E.
Discussion