MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When the desired frequency response characteristic of the FIR filter is narrowband, most of the gain parameters {H(k+ )} are zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Where does the poles of the system function of the second filter locate? |
| A. | e<sup>j2 (k+ )M</sup> |
| B. | e<sup>j2 (k+ )/M</sup> |
| C. | e<sup>j2 (k- )/M</sup> |
| D. | e<sup>j (k+ )/M</sup> |
| Answer» C. e<sup>j2 (k- )/M</sup> | |
| 3. |
What is the system function of the second filter other than comb filter in the realization of FIR filter? |
| A. | ( sum_{k=0}^M frac{H(k+ )}{1-e^{ frac{j2 (k+ )}{M}} z^{-1}} ) |
| B. | ( sum_{k=0}^{M-1} frac{H(k+ )}{1+e^{ frac{j2 (k+ )}{M}} z^{-1}} ) |
| C. | ( sum_{k=0}^{M-1} frac{H(k+ )}{1-e^{ frac{j2 (k+ )}{M}} z^{-1}} ) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
The zeros of the system function of comb filter are located at ______________ |
| A. | Inside unit circle |
| B. | On unit circle |
| C. | Outside unit circle |
| D. | None of the mentioned |
| Answer» C. Outside unit circle | |
| 5. |
What is the system function of all-zero filter or comb filter? |
| A. | ( frac{1}{M}(1+z^{-M} e^{j2 }) ) |
| B. | ( frac{1}{M}(1+z^M e^{j2 }) ) |
| C. | ( frac{1}{M}(1-z^M e^{j2 }) ) |
| D. | ( frac{1}{M}(1-z^{-M} e^{j2 }) ) |
| Answer» E. | |
| 6. |
The realization of FIR filter by frequency sampling realization can be viewed as cascade of how many filters? |
| A. | Two |
| B. | Three |
| C. | Four |
| D. | None of the mentioned |
| Answer» B. Three | |
| 7. |
What is the general system function of an FIR system? |
| A. | ( sum_{k=0}^{M-1}b_k x(n-k) ) |
| B. | ( sum_{k=0}^M b_k z^{-k} ) |
| C. | ( sum_{k=0}^{M-1}b_k z^{-k} ) |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
In general, an FIR system is described by the difference equation y(n)= ( sum_{k=0}^{M-1}b_k x(n-k) ). |
| A. | True |
| B. | False |
| Answer» B. False | |