Sine wave can be generated along epicycloids (i.e. the movement around a circle). The frequency of the signal corresponds to the amount of turns per unit of time. The phase is just the offset of the starting point and the amplitude is the radius of the circle.
This animation is part of a joint article by Hajer Bahouri & François Vigneron about signal analysis (images.math.cnr....
28 июл 2018
