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

This section includes 2 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.

What is the auto correlation of the sequence x(n)=anu(n), 0

A. \(\frac{1}{1-a^2}\) al (l≥0)
B. \(\frac{1}{1-a^2}\) a-l (l<0)
C. \(\frac{1}{1-a^2}\) a|l|(-∞<l<∞)
D. All of the mentioned
Answer» E.
Discussion
2.

The normalized auto correlation ρxx(l) is defined as _____________

A. \(\frac{r_{xx}(l)}{r_{xx}(0)}\)
B. –\(\frac{r_{xx}(l)}{r_{xx}(0)}\)
C. \(\frac{r_{xx}(l)}{r_{xy}(0)}\)
D. None of the mentioned
Answer» B. –\(\frac{r_{xx}(l)}{r_{xx}(0)}\)
Discussion