My Report (&Account)

Discrete Time Signal Analysis Test – 1


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. What is the average power of the discrete time periodic signal x(n) with period N?

2. What is the expression for Fourier series coefficient ck in terms of the discrete signal x(n)?

3. What is the period of the Fourier transform X(ω) of the signal x(n)?

4. What is the value of discrete time signal x(n) at n=0 whose Fourier transform is represented as below?

5. What is the energy of a discrete time signal in terms of X(ω)?

6. What is the Fourier series representation of a signal x(n) whose period is N?

7. What are the Fourier series coefficients for the signal x(n)=cosπn/3?

8. What is the Fourier transform X(ω) of a finite energy discrete time signal x(n)?

9. What is the value of discrete time signal x(n) at n≠0 whose Fourier transform is represented as below?

10. What is the synthesis equation of the discrete time signal x(n), whose Fourier transform is X(ω)?

11. The Fourier series for the signal x(n)=cos√2πn exists.

12. What is the Fourier series representation of a signal x(n) whose period is N?

13. The oscillatory behavior of the approximation of XN(ω) to the function X(ω) at a point of discontinuity of X(ω) is known as Gibbs phenomenon.

14. What is the equation for average power of discrete time periodic signal x(n) with period N in terms of Fourier series coefficient ck?

15. Which of the following represents the phase associated with the frequency component of discrete-time Fourier series(DTFS)?


 

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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