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Highlights from
Coaxial Cable Based CDMA System Simulation

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from Coaxial Cable Based CDMA System Simulation by Iftekhar Tanveer
This is a simulation of CDMA Encoding & Decoding Process using a coax channel.

buttLPF(f,cutoff,n) 
function [filtr] = buttLPF(f,cutoff,n)
%**************************************************************
% buttLPF
%
% Generates a matrix determining the transfer function of a
% Butterworth Filter.
%
% f = frequency vector.
% cutoff = cutoff frequency
% n = Order of Butterworth LPF
% *************************************************************
    a = (f/cutoff).^(2*n);
    H = 1./sqrt(ones(size(a))+a);
    filtr=H;

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