er_modulate.m

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function g = er_modulate(f,omega)
% function g = er_modulate(f,omega)
%   Function to modulate given transfer function coefficient vectors in 
%   struct F. Parameter OMEGA should generally be a multiple of PI. 
%
%   Author:  Evan Ruzanski, CU-Boulder, ECEN5632 MATLAB assignment, FA2004

% Unpack
num1 = f(1).tf_complete;

% Modulate
L1 = length(num1);
n = 0:L1 - 1;
num2 = exp(j*omega*n).*num1;

% Repack
f(1).tf_complete = num2;
g = f;