function w = ds_hann(n)% function w = ds_hann(n)% A Hann window of length n. Does not smear tones located exactly in a bin.% Note: This function was formerly just "hann." Re-naming% was necessary to avoid a conflict with Mathworks's function% of the same name.w = .5*(1 - cos(2*pi*(0:n-1)/n) );