MCQOPTIONS
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| 1. |
What is the discrete-time signal obtained after sampling the analog signal x(t)=cos(2000*pi*t)+sin(5000*pi*t) at a sampling rate of 5000 samples/sec? |
| A. | cos(2.5*pi*n)+sin(pi*n) |
| B. | cos(0.4*pi*n)+sin(pi*n) |
| C. | cos(2000*pi*n)+sin(5000*pi*n) |
| D. | none of the mentioned |
| Answer» C. cos(2000*pi*n)+sin(5000*pi*n) | |