coarse_timing_estimate.m

一个在matlab环境下的DAB仿真程序源码。内含ofdm收发

function coarse_timing_offset=coarse_timing_estimate(N,L,coarse_fft_data_time_offset,phase_reference_symbol)

integer=N;
cor_partial=[];
cor_partial(1,1)=0;

for i=1:integer;
    
    cor_partial(i+1)=cor_partial(i)+coarse_fft_data_time_offset(1,i)*conj(phase_reference_symbol(1,i));
end;
cor_partial_offset=cor_partial(1,1:N)*exp(j*2*pi*10*5/N);
corr_value=abs(cor_partial(1,1:integer));
corr_value2=abs(cor_partial_offset(1,1:integer));
% figure;
% plot([1:integer],corr_value);
% figure;
% plot([1:integer],corr_value2);
a=1;