sevensor an hour ago

> sine waves and provides the amplitude and frequency of each sine wave.

And phase! Good luck trying to reconstruct your signal after you discard the phase. Lest you object that nobody would do this: I’ve seen people actually try to do this, and they couldn’t make sense of the garbage that resulted.

kohlerm an hour ago

It is definitely a real problem to be solved. We used something similar in an IOT application some time ago