1 But what is the Fourier Transform? A visual introduction.
3Blue1Brown's animated introduction to the Fourier transform, frequently recommended to anyone who wants an intuitive feel for the frequency domain.
Topic
signal processing
7 videos. Ranked by independent recommendations, not by views.
2 But what is a Fourier series? From heat flow to drawing with circles | DE4
3Blue1Brown's animated explanation of Fourier series, linked by electrical engineers as an intuitive grounding before tackling Fourier and Laplace transforms.
3 Fourier Transform, Fourier Series, and frequency spectrum
A visual introduction to how waveforms add and split into frequency components, praised for making the jump from time domain to frequency domain intuitive.
Hidden gem4 Essence of linear algebra
The 3blue1brown linear algebra series, recommended for an intuitive visual grounding in the maths behind transforms and signal processing.
5 Peak detector circuit tutorial for beginners
An Afrotechmods explainer on peak detector circuits, repeatedly suggested to people trying to capture the maximum level of an audio or sensor signal.
6 MIT RES.6.007 Signals and Systems, 1987
Recommended as Alan Oppenheim's full Signals and Systems lecture course, about 25 hours, covering convolution and the foundations of signal processing.
7 The intuition behind Fourier and Laplace transforms I was never taught in school
Zach Star's intuitive introduction to the Fourier transform, recommended to engineering students finding signals and controls hard going.
