engineering recuitment GATE EE 2023-24 Test Series Signals and Systems Sampling Nyquist Rate of Multiplication of Signals
A continuous-time signal is given by x(t) = A cos 8000πt cos 2000 πt. What is the minimum sampled frequency at which we can recover the signal from the sampling version using an appropriate low pass filter?
1
5 kHz
2
3 kHz
3
8 kHz
4
10 kHz