%ECOMMS Spring 00 Classroom Demo
%S. Mandayam, ECE, Rowan University

clear;close all;

n=0:6;
beta=0:0.1:10;

Jn=besselj(n,beta');
plot(beta',Jn);
grid on;
xlabel('Frequency Modulation Index: \beta');
ylabel('J_n(\beta)');
legend('J_0(\beta)','J_1(\beta)','J_2(\beta)','J_3(\beta)','J_4(\beta)','J_5(\beta)','J_6(\beta)');
title('J_n(\beta): Spectral Amplitudes of an FM signal at f_c \pm nf_m');