MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the set of linear equations from the equation \(\sum_{k=0}^M b_k r_{hh} (k-l)=r_{dh} (l)\), l=0,1,…M are expressed in matrix form, then what is the type of matrix obtained? |
| A. | Symmetric matrix |
| B. | Skew symmetric matrix |
| C. | Toeplitz matrix |
| D. | Triangular matrix |
| Answer» D. Triangular matrix | |
| 2. |
FIR filter that satisfies \(\sum_{k=0}^M b_k r_{hh} (k-l)=r_{dh} (l)\), l=0,1,…M is known as wiener filter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following are required to minimize the value of ε? |
| A. | rhh(l) |
| B. | rdh(l) |
| C. | d(n) |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
The auto correlation of the sequence is required to minimize ε. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following filters have a block diagram as shown in the figure? |
| A. | Pade wiener filter |
| B. | Pade FIR filter |
| C. | Least squares FIR filter |
| D. | Least squares wiener filter |
| Answer» E. | |
| 6. |
If H(z) is the system function of an LTI system and HI(z) is the system function of the inverse LTI system, then which of the following is true? |
| A. | H(z)*HI(z)=1 |
| B. | H(z)*HI(z)=δ(n) |
| C. | H(z).HI(z)=1 |
| D. | H(z).HI(z)=δ(n) |
| Answer» D. H(z).HI(z)=δ(n) | |
| 7. |
If h(n) is the impulse response of an LTI system and hI(n) is the impulse response of the inverse LTI system, then which of the following is true? |
| A. | h(n).hI(n)=1 |
| B. | h(n).hI(n)=δ(n) |
| C. | h(n)*hI(n)=1 |
| D. | h(n)*hI(n)=δ(n) |
| Answer» E. | |