This function returns the filter coefficients of a Blackman-Nuttall window.
w = blackmannuttall (m) w = blackmannuttall (m, opt)
positive integer value
string value, takes "periodic" or "symmetric"
output variable, vector of real numbers
blackmannuttall(5,"symmetric") ans = 0.0003628 0.2269824 1. 0.2269824 0.0003628