New posts in Fourier Analysis

Computing the Fourier transform of $H_k(x)e^{-x^2/2}$, where $H_k$ is the Hermite polynomial.

Russian books on Fourier Series

What is spectral leakage?

Evaluating the improper integral $\int_0^\infty \frac{x\cos x-\sin x}{x^3} \cos(\frac{x}{2}) \mathrm dx $

What is the difference between a function and a distribution?

Can $\log(1-U)-\log(U)+W$ be normally distributed, with $U$ uniform on $(0,1)$ and $W$ independent of $U$?

How does FFT work?

The Fourier transform of a "comb function" is a comb function?

How do basis functions work?

How is the study of wavelets not just a special case of Fourier analysis?