bpsk.m
· 433 B · Mathematica
Raw
clc;
clear all;
close all;
A = 5;
t = 0:0.001:1;
F1 = input ('carrier signal frequency');
F2 = input ('message signal frequency');
x = A.*sin(2*pi*F1*t);
u = square(2*pi*F2*t);
y = x.*u; subplot(3,1,1);
plot(t,x); xlabel('t');
ylabel('x(t)');
title('modulating signal')
subplot(3,1,2);
plot(t,u);
xlabel('t');
ylabel('u(t)');
title('carrier signal')
subplot(3,1,3);
plot(t,y);
xlabel('t');
ylabel('y(t)');
title('modulated signal')
| 1 | clc; |
| 2 | clear all; |
| 3 | close all; |
| 4 | A = 5; |
| 5 | t = 0:0.001:1; |
| 6 | F1 = input ('carrier signal frequency'); |
| 7 | F2 = input ('message signal frequency'); |
| 8 | x = A.*sin(2*pi*F1*t); |
| 9 | u = square(2*pi*F2*t); |
| 10 | y = x.*u; subplot(3,1,1); |
| 11 | plot(t,x); xlabel('t'); |
| 12 | ylabel('x(t)'); |
| 13 | title('modulating signal') |
| 14 | subplot(3,1,2); |
| 15 | plot(t,u); |
| 16 | xlabel('t'); |
| 17 | ylabel('u(t)'); |
| 18 | title('carrier signal') |
| 19 | subplot(3,1,3); |
| 20 | plot(t,y); |
| 21 | xlabel('t'); |
| 22 | ylabel('y(t)'); |
| 23 | title('modulated signal') |