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For the following signals, 1024 points were sampled.
a) 621 Hz signal sampled at 850 Hz
b) 1072 Hz signal sampled at 1600 HZ
c) 1143 Hz signal sampled at 450 Hz
Determine:
i) The Nyquist frequency
ii) The minimum sampling rate to avoid aliasing
iii) The frequency step size of the FFT and the uncertainty in the frequency
iv) the aliased frequency (Besure to round off your answers to the nearest frequency step)
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