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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_5000SAMPLES/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) | |