engineering recuitment GATE ECE 2023-24 Test Series Signals and Systems Sampling Sampling Theorem and Nyquist Rate
If a 100 Hz sinusoidal signal is sampled at the rates of 140 Hz, 90 Hz, and 30 Hz, then the aliased frequencies correspond to each sampling rate will be respectively
1
180 Hz, 40 Hz, 50 Hz
2
30 Hz, 60 Hz, 50 Hz
3
40 Hz, 10 Hz, 70 Hz
4
60 Hz, 80 Hz, 10 Hz