CS2403 Digital Signal Processing Anna University Question paper Question Bank University Question bank Important Question 2 marks 16 Marks questions for all Units
CS2403 Digital Signal Processing Anna University Question paper Question Bank University Question bank Important Question 2 marks 16 Marks questions for all Units
CS2403 Digital Signal Processing Anna University Question paper Question Bank University Question bank Important Question 2 marks 16 Marks questions for all Units
UNIT 1
1. Determine the energy of the discrete time sequence (2)
x(n) = (½)n, n≥0
=3 n, n<0
2. Define multi channel and multi dimensional signals (2)
3. Define symmetric and anti symmetric signals. (2)
4. Differentiate recursive and non recursive difference equations. (2)
5. What is meant by impulse response? (2)
6. What is meant by LTI system? (2)
7. What are the basic steps involved in convolution? (2)
8. Define the Auto correlation and Cross correlation? (2)
9. What is the causality condition for an LTI system? (2)
10. What is zero padding? What are it uses? (2)
11. State the Sampling Theorem. (2)
12 What is an anti imaging and anti aliasing filter? (2)
13. Determine the signals are periodic and find the fundamental period (2)
in√ 2 πt
i) sin 20πt+ sin5πt
14. Give the mathematical and graphical representations of a unit sample, unit step
sequence. (2)
15. Sketch the discrete time signal x(n) =4 δ (n+4) + δ(n)+ 2 δ (n-1) + δ (n-2) -5 δ (n-3) (2)
16. Find the periodicity of x(n) =cost(2πn / 7) (2)
17. What is inverse system? (2)
18. Write the relationship between system function and the frequency response. (2)
19. Define commutative and associative law of convolutions. (2)
20. What is meant by Nyquist rate and Nyquist interval? (2
