Digital Signal Processing Practice Test 9

1. If h(n) is the impulse response of an LTI system and h_I(n) is the impulse response of the inverse LTI system, then which of the following is true?

2. In this type of designing, the system function of IIR filter is expressed in which form?

3. It is more convenient to deal with the envelope delay as a function of frequency.

4. Wiener filter is an FIR least-squares inverse filter.

5. The auto correlation of the sequence is required to minimize ε.

6. Which of the following is a low pass-to-high pass transformation?

7. In which of the following condition we can use the desired response h_d(n)?

8. Which of the following filters have a block diagram as shown in the figure?

9. Which of the following filters will have an impulse response as shown in the below figure?

10. What is the DFT of the four point sequence x(n)={0,1,2,3}?