9, Dec 2020
Signals and systems, sine wave modulation
I have a 20Hz audio sine wave amplitude modulated by a 100Hz carrier wave.
a) Sketch/plot this making sure to label the time axes carefully
b) Sketch/plot its Fourier transform.
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- By susan




I have a 20Hz audio sine wave amplitude modulated by a 100Hz carrier wave.
a) Sketch/plot this making sure to label the time axes carefully
b) Sketch/plot its Fourier transform.