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Digital Signal Processing Mock Test 7


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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 10%

Question 1 of 10

1. If |E(ω)|<δ for some frequencies on the dense set, then a new set of frequencies corresponding to the L+2 largest peaks of |E(ω)| are selected and computation is repeated.

Question 1 of 10

Question 2 of 10

2. Which of the following filter design is used in the formulation of design of optimum equi ripple linear phase FIR filter?

Question 2 of 10

Question 3 of 10

3. Which of the following condition should the unit sample response of a FIR filter satisfy to have a linear phase?

Question 3 of 10

Question 4 of 10

4. Which of the following windows has a time domain sequence h(n)=\(\frac{1}{2}(1-cos⁡\frac{2πn}{M-1})\)?

Question 4 of 10

Question 5 of 10

5. What is the value of unit sample response of an ideal Hilbert transform for 'n' even?

Question 5 of 10

Question 6 of 10

6. The unit sample response of an ideal Hilbert transform is
h(n)=\(\frac{2}{\pi} \frac{(sin(\frac{πn}{2}))^{2}}{n}\); n≠0
h(n)=0; n=0

Question 6 of 10

Question 7 of 10

7. The multiplication of the window function w(n) with h(n) is equivalent to the multiplication of H(w) and W(w).

Question 7 of 10

Question 8 of 10

8. If the value of M increases then the main lobe in the frequency response of the rectangular window becomes broader.

Question 8 of 10

Question 9 of 10

9. Which of the following is equal to the value of H(k+α)?

Question 9 of 10

Question 10 of 10

10. In Parks-McClellan program, an array of maximum size 10 that specifies the desired frequency response in each band is denoted by?

Question 10 of 10


 

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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