function?[fd_af_ac_code]?=?acqu（Signal_Source）
global?fs;
global?nn;
global?F_if
%?======================================Create?Localcode==============?%
ph_code?=?0;
fd_code?=?0;
Loop_time?=?1;
CA_Code?=?CAcode（ph_codefd_codeLoop_time）;
Localcode?=?CA_Code;


%?==================================function?RxSignal============%
x1?=?Signal_Source（1:length（Localcode））;

t?=?[0:length（Localcode）-1];
for?i=1:41
????fr=F_if-10000+（i-1）*500;
????lc?=?x1.*exp（j*2*pi*fr.*t./fs）;
????xf?=?fft（lc）;
????lcf?=?fft（Localcode）;
????yy（i:）=ifft（xf.*conj（lcf））;
?end
?
L1=length（yy（1:））;
LL=L1;
yy1=zeros（41LL）;
yy1=yy（[1:41][1:LL]）;
Corr_value?=?（abs（yy1））.^2;?
%??figure
%??mesh（Corr_value）;

[valuecode_p]?=?max（max（?Corr_value））;
[valuecarrier_p]?=?max（max（?Corr_value‘））;

fd_a?=?-10000+（carrier_p-1）*500;
ac_carrier?=?F_if-10000+（carrier_p-1）*500;

ac_code?=?nn-code_p-1;?

xsh?=?nn/1023;
f_ac_code?=?ac_code/xsh;

showaquc?=?Corr_value（carrier_p:）;
showzb_mid?=?[1:nn];
showzb?=（nn-showzb_mid-1）/xsh;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????目錄??????????0??2009-08-14?07:31??ca

?????目錄??????????0??2009-08-14?07:31??ca\Trackdemo

?????文件???????1053??2005-11-10?17:36??ca\Trackdemo\acqu.m

?????文件???????1721??2005-12-13?00:29??ca\Trackdemo\acqu1.m

?????文件????????973??2005-12-13?00:40??ca\Trackdemo\acquiresignal.m

?????文件????????314??2005-06-30?19:25??ca\Trackdemo\AWGN.m

?????文件????????601??2005-10-27?21:05??ca\Trackdemo\CAcode.m

?????文件????????290??2005-12-08?00:30??ca\Trackdemo\CarrierLoopFilter.m

?????文件????????882??2005-05-31?19:28??ca\Trackdemo\codegen.m

?????文件????????297??2005-12-07?18:27??ca\Trackdemo\CodeLoopFilter.m

?????文件???????1015??2005-12-15?11:00??ca\Trackdemo\CreateSource.m

?????文件???????1305??2005-11-30?17:17??ca\Trackdemo\CreateSource1.m

?????文件???????1500??2005-12-14?17:04??ca\Trackdemo\framecheck2.m

?????文件????????378??2005-10-27?17:42??ca\Trackdemo\Modulate.m

?????文件???????1190??2005-12-12?22:46??ca\Trackdemo\sourcegenerate.m

?????文件??????12169??2005-12-15?11:34??ca\Trackdemo\tracksignal.m

-----------?---------??----------?-----??----

????????????????23688????????????????????16