gps_test.m

Galileo BOC 码产生捕获相关仿真结果

clear all;

% amplitude = zeros(1,140);
% caosefreq = zeros(1,140);
% Doppler = zeros(1,140);
% for i=1:140
Svnum = 1;
Doppler = 3.25e+3;
DownCvt_FreqPara = 50;
% Doppler(i)=-6.9e3+(i-1)*100;
gpsdata = MySglGen(Svnum, Doppler);
%gpsdata=gpsdata';
%gpsdata=zeros(168000,1);
%gpsdata=reshape(gpsdata',16800,1);

downcvtcmplx = DownCvt(gpsdata,DownCvt_FreqPara);
lpfo = LPF(downcvtcmplx);

% ******** test mode without the carrier***********************
% lpfo = zeros(1,fix(length(gpsdata)/4));
% for i=1:fix(length(gpsdata)/4)
%     lpfo(i)= gpsdata(i*4);   
% end 

SrchSatllite=1;
[amplitude, chipnum, caosefreq] = Acquisition(lpfo,SrchSatllite);

amplitude
chipnum
caosefreq

% end

% plot3(Doppler,caosefreq,amplitude)