WJMatlab-PolarNRZ Coding Scehma

POLARNRZ.m

clc;
clear all;
close all;

FigHandle = figure('Menu','none','Position', [350, 200, 700, 500]);

xSignal = [ 1 0 0 1 1 0 1 0 1 1 ];
n = 1;
signalLength = length(xSignal);
xSignal(signalLength+1) = 1;

while n <= length(xSignal)-1;
    table = n-1 : 0.001 : n;
if xSignal(n) == 0
    if xSignal(n+1) == 0  
        y = -(table < n)-(table == n);
    else
        y = -(table < n)+(table == n);
    end
    plot(table, y, 'LineWidth', 2.5); grid on;
    xlabel('Frequency')
    ylabel('Magnitude')    
    title('Line code POLAR NRZ');
    hold on;
    axis([0 length(xSignal)-1 -1.5 1.5]);
else
    if xSignal(n+1) == 0
        y = (table < n)-1*(table == n);
    else
        y = (table < n)+1*(table == n);
    end
    plot(table, y, 'LineWidth', 2.5); grid on;
    xlabel('Frequency')
    ylabel('Magnitude')
    title('Line code POLAR NRZ');
    hold on;
    axis([0 length(xSignal)-1 -1.5 1.5]);
end
n = n+1;
end