%可改變相關時間search.m?performs?acquisition?on?collected?data?on?search7.m
%本地載波的幅度變了
clear;
clc;
%?clf;
%?*****?initial?condition?*****
disp（‘Initial?condition‘）;
IF=20491635;????????????????%***IF=20Mhz
worktime=1.0;???????????????%***工作時間是2ms
UnitTime=1.0;???????????????%***單位時間是1s
%?fs=16367667;????????????????%***采樣頻率是16MHz實驗頻率
????fs=16363280;
ts=（UnitTime/fs）;??????????%***采樣時間間隔是1/fs
Numpms=fix（worktime*fs/1000）;????????????%***每ms中有多少個數據點
????if?（rem（Numpms4）~=0）
????????Numpmstemp=Numpms+（4-rem（Numpms4））;????%實際的樣點數可能并不為4的整數倍（每個樣點用2位二進制數進行量化）
????else
????????Numpmstemp=Numpms;
????end
datanum=Numpms;
num=[0:Numpms-1];???????????????????????????%***數據點的數量
fo=IF-1*fs;??????????????????%***輸出頻率為fo=fi-1*fs=20-1*16=4MHz沒有多普勒頻移

%?*****?input?data?file?*****
dis

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

?????文件???81920000??2008-07-10?17:26??GPSRawData_4.dat

????......R??????3350??2005-05-18?20:41??sourcode\acquisitionfinal.m

????......R??????3206??2005-06-10?22:52??sourcode\generatecacode.m

????......R???????490??2008-07-15?02:00??sourcode\initialcondition.m

????......R?????15581??2008-07-18?19:01??sourcode\readdata.m

????......R??????1325??2005-05-15?08:38??sourcode\sampleCAcode.m

????......R?????11821??2008-07-18?19:03??sourcode\SignalProcessor.fig

????......R?????57445??2008-07-18?18:04??sourcode\SignalProcessor.m

?????目錄??????????0??2012-03-19?17:21??sourcode

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

?????????????82013218????????????????????9