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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Signals & Systems Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
Find the Nyquist rate and Nyquist interval for the signal f(t) = -10 sin 40πt cos 300πt. |
A. | 40 Hz, 40 sec |
B. | 340 Hz, 340 sec |
C. | 300 Hz, 300 sec |
D. | 340 Hz, \(\frac{1}{340}\) sec |
Answer» E. | |
2. |
Determine the Nyquist rate of the signal x(t) = 1 + cos 2000πt + sin 4000πt. |
A. | 2000 Hz |
B. | 4000 Hz |
C. | 1 Hz |
D. | 6000 Hz |
Answer» C. 1 Hz | |
3. |
The sampling frequency of a signal is Fs = 2000 samples per second. Find its Nyquist interval. |
A. | 0.5 sec |
B. | 5 msec |
C. | 5 sec |
D. | 0.5 msec |
Answer» C. 5 sec | |
4. |
Find the Nyquist rate and Nyquist interval for the signal f(t) = 1 + sinc300πt. |
A. | 300 Hz, 3 msec |
B. | 300 Hz, 3.3 msec |
C. | 30 Hz, 3 msec |
D. | 3 Hz, 3 msec |
Answer» C. 30 Hz, 3 msec | |
5. |
Find the Nyquist rate and Nyquist interval for the signal f(t) = \(\Big[\frac{sin500πt}{πt}\Big]^2\). |
A. | 1000 Hz, 1 msec |
B. | 1 Hz, 1000 sec |
C. | 1000 Hz, 1 sec |
D. | 1000 Hz, 1000 sec |
Answer» B. 1 Hz, 1000 sec | |
6. |
Find the Nyquist rate and Nyquist interval for the signal f(t)=\(\frac{sin500πt}{πt}\). |
A. | 500 Hz, 2 sec |
B. | 500 Hz, 2 msec |
C. | 2 Hz, 500 sec |
D. | 2 Hz, 500 msec |
Answer» C. 2 Hz, 500 sec | |
7. |
Which of the following is the process of ‘aliasing’? |
A. | Peaks overlapping |
B. | Phase overlapping |
C. | Amplitude overlapping |
D. | Spectral overlapping |
Answer» E. | |
8. |
Find the Nyquist rate and Nyquist interval of sin(2πt). |
A. | 2 Hz, \(\frac{1}{2}\) sec |
B. | \(\frac{1}{2}\) Hz, \(\frac{1}{2}\) sec |
C. | \(\frac{1}{2}\) Hz, 2 sec |
D. | 2 Hz, 2 sec |
Answer» B. \(\frac{1}{2}\) Hz, \(\frac{1}{2}\) sec | |