MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
The in-band quantization noise variance is given as? |
| A. | ( sigma_n^2= int_{-B}^B |H_n (F)|^3 S_e (F)dF ) |
| B. | ( sigma_n^2= int_{-B}^B |H_n (F)|^2 S_e (F)dF ) |
| C. | ( sigma_n^2= int_{-B}^B |H_n (F)|^1 S_e (F)dF ) |
| D. | None |
| Answer» C. ( sigma_n^2= int_{-B}^B |H_n (F)|^1 S_e (F)dF ) | |
| 2. |
9.The performance of the SDM system is determined by the noise system function Hn(z), which has a magnitude of? |
| A. | (|H_n (z)|=2 |sin u2061 frac{ F}{F_s}| ) |
| B. | (|H_n (z)|=4 |sin u2061 frac{ F}{F_s}| ) |
| C. | (|H_n (z)|=3 |sin u2061 frac{ F}{F_s}| ) |
| D. | (|H_n (z)|= |sin u2061 frac{ F}{F_s}| ) |
| Answer» B. (|H_n (z)|=4 |sin u2061 frac{ F}{F_s}| ) | |
| 3. |
What is the z-transform of sequence {dq(n)} i.e., Dq(z)= ? |
| A. | (H_s (z)X(z)- H_n (z)E(z) ) |
| B. | (H_s (z)X(z)+ H_n (z)E(z) ) |
| C. | (H_s (n)X(z)+ H_n (n)E(z) ) |
| D. | (H_n (z)X(z)- H_s (z)E(z) ) |
| Answer» C. (H_s (n)X(z)+ H_n (n)E(z) ) | |
| 4. |
What is the system function of the integrator that is modeled by the discrete time system? |
| A. | H(z)= ( frac{z^{-1}}{1-z^{-1}} ) |
| B. | H(z)= ( frac{z^{-1}}{1+z^{-1}} ) |
| C. | H(z)= ( frac{z^{z^1}}{1-z^1} ) |
| D. | H(z)= ( frac{z^{z^1}}{1+z^1} ) |
| Answer» B. H(z)= ( frac{z^{-1}}{1+z^{-1}} ) | |
| 5. |
The selection of the sampling rate Fs=1/T, where T is the sampling interval, not only determines the highest frequency (Fs/2) that is preserved in the analog signal but also serves as a scale factor that influences the design specifications for digital filters. |
| A. | True |
| B. | False |
| Answer» B. False | |