bpsksimple.m

bpsk解调

function [number] = BPSKsimple(snr)
fc=15;
% snr=0;

%%% random symbols
BS(1)=1;
BS(2)=1;
BS(3)=0;
BS(4)=1;
BS(5)=0;
BS(6)=0;
BS(7)=0;
BS(8)=1;
BS(9)=1;
BS(10)=0;

%%% BPSK modulator
bpsk=pskmod(BS, 2, 0, 'gray');

%%% received signals with additive white Gaussian noise
Rxsignals=awgn(bpsk, snr, 'measured');

%%% demodulated signals
bpskdem=pskdemod(Rxsignals, 2, 0, 'gray');

%%% count number of errors
[number, ratio]=biterr(BS, bpskdem);