Third-person singular simple present indicative form of Hann

A surname originating as a patronymic.

(transitive, signal processing) To apply the Hann function to (a signal).

(signal processing) A discrete window function, w(n)=1/2;(1- cos ((2𝜋n)/(N-1))), typically used to select a subset of a series of samples in order to perform a Fourier transform or other calculation.