Constellation for Binary FSK
This program is used to plot a constellation diagram for Binary FSK
function[y]= Constellation_BFSK()
M =2;
y = [1,0;0,1];
annot = dec2bin([M-1:-1:0],log2(M));
disp(y,'coordinates of message points')
disp(annot,'Message points')
figure;
a =gca();
a.data_bounds = [-2,-2;2,2];
a.x_location = "origin";
a.y_location = "origin";
plot2d(y(1,1),y(1,2),-9)
plot2d(y(2,1),y(2,2),-5)
xlabel(' In-Phase');
ylabel(' Quadrature');
title('Constellation for BFSK')
legend(['message point 1 (binary 1)';'message point 2 (binary 0)'],5)
endfunction
//Result
//coordinates of message points
//
// 1. 0.
// 0. 1.
//
// Message points
//
//!1 0 !