www.gusucode.com > MIMO_OFDM系统的matlab仿真程序以及GUI界面的实现源码程序 > CH9/Q.m
function [a]=Q(rx_symbol,modulation) if ~isempty(findstr(modulation, 'BPSK')) %BPSK a = real(rx_symbol); elseif ~isempty(findstr(modulation, 'QPSK')) % QPSK soft_bits = zeros(2*size(rx_symbol,1),size(rx_symbol,2)); bit0 = real(rx_symbol); bit1 = imag(rx_symbol); soft_bits(1:2:size(soft_bits, 1),:) = bit0; soft_bits(2:2:size(soft_bits, 1),:) = bit1; a=bit0+j*bit1; end