EC > GATE 2014 SET-1 > Sampling
Consider two real valued signals, x(t) band-limited to [-500 Hz, 500 Hz] and y(t) band-limited to [-1 kHz, 1 kHz]. For z(t) = x(t) · y(t), the Nyquist sampling frequency (in kHz) is ______.
Correct : 3
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