Fourier Transform

https://see.stanford.edu/materials/lsoftaee261/book-fall-07.pdf

https://www.youtube.com/watch?v=toj_IoCQE-4 FFT

https://www.youtube.com/watch?v=KTj1YgeN2sY Discrete FT Steve Brunton

https://www.youtube.com/watch?v=s2K1JfNR7Sc. Denoise data with FFT

Fourier series

https://habr.com/ru/post/528734/

https://news.ycombinator.com/item?id=40578705

Fourier transform

https://habr.com/post/434734/

https://howthefouriertransformworks.com/

https://faultan.ru/osc/essence_of_fourier_transform/

https://en.wikipedia.org/wiki/Discrete_Fourier_transform

https://www.youtube.com/watch?v=GKsCWivmlHg Top 3 Most Important Fourier Transforms in Python

Generalizations of Fourier analysis

http://gabarro.org/ccn/gen_fourier.html

https://news.ycombinator.com/item?id=35582084

https://news.ycombinator.com/item?id=28632776

https://hn.algolia.com/?q=Fourier

https://en.wikipedia.org/wiki/Gibbs_phenomenon

https://jackschaedler.github.io/circles-sines-signals/index.html

https://www.youtube.com/watch?v=spUNpyF58BY

https://ai-pool.com/a/s/introduction-of-fast-fourier-transformation–fft

FFT in SciPy

https://github.com/natsunoyuki/blog_posts/blob/main/mathematics/Fourier%20Transforms%20in%20Python.ipynb

https://www.youtube.com/watch?v=O0Y8FChBaFU Numpy fft function.

https://realpython.com/python-scipy-fft/

https://www.youtube.com/watch?v=b06pFMIRO0I