hann.m

来自「Oversampling Delta-Sigma Data Converters」· M 代码 · 共 10 行

function w = hann(n)
% function w = hann(n)
% A Hann window of length n. Does not smear tones located exactly in a bin.

warning('You are using the obsolete hann() function from the Delta-Sigma Toolbox.');
warning('Remove this file if you do not need to maintain backwards compatibility');
warning('and please use ds_hann() instead.');

w = .5*(1 - cos(2*pi*(0:n-1)/n) );