資源簡介
GPS跟蹤模塊的載波跟蹤環的仿真程序,可以成功的仿真載波跟蹤的過程。
代碼片段和文件信息
%比較兩個不同情況下生成的載波跟蹤數據
clc
clear
%下面參數根據實際情況
m0=4;
fd=2.100e+3;
Freq_Step=500;
delayno=1001;
Delay_Time=8000;
Repeat_Num=0.1999e+4;
Nstep=80;
fN=16;
Start_Num=1500;
End_Num=1999;
Track_Discriminator=zeros(1Repeat_Num);
Track_Discriminator_Filtered=zeros(1Repeat_Num);
Track_Err=zeros(1Repeat_Num);
sn_dB=20;
CarrLoop_B_LF=18;
fs=16.368e+6;
%Ko1=2*pi;
Ko2=fs/2^32*2*pi;
Output_FileName=[‘CarrLoop_DataComp_‘num2str(sn_dB)‘_dB‘‘.txt‘];
file_comp=fopen(Output_FileName‘w‘);
fprintf(‘當前計算的跟蹤環路帶寬為%f\r\n‘CarrLoop_B_LF);
filename1=[‘CarrLoop_Quanti_TrackErr_‘num2str(sn_dB)‘dB_‘num2str(CarrLoop_B_LF)‘Hz_‘num2str(Ko2)‘.txt‘];
file_track_err1=fopen(filename1‘r‘);
filename2=[‘CarrLoop_Quanti_TrackErr_‘num2str(sn_dB)‘dB_‘num2str(CarrLoop_B_LF)‘Hz_‘num2str
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????31911??2010-01-16?22:13??CarrLoop_QuantiTh.m
?????文件????????270??2009-05-20?20:32??CarrLoop_QuantiTh_Quadra_TrackErr_-20dB_NoQ.txt
?????文件??????53248??2009-05-20?20:33??CarrLoop_QuantiTh_TrackErr_-20dB_10Hz(3階環路)_NoQ.txt
?????文件????????743??2004-03-12?10:11??codegen.m
?????文件????????366??2004-03-30?09:45??codesamp.m
?????文件????????289??2004-01-02?23:06??datagen.m
?????文件???????2092??2005-03-06?23:17??DDLL.m
?????文件???????1242??2004-05-06?10:39??GPSChip_Out_Simula.m
?????文件????????185??2004-06-22?10:32??LP_Filter.m
?????文件???????1075??2004-06-22?09:27??NB_GuassNoise.m
?????文件????????906??2005-01-28?17:27??Receive_CodeGenerator.m
?????文件???????1449??2005-03-19?10:26??Receive_CodeGenerator_Ditch.m
?????文件???????1315??2005-03-03?17:34??ReGen_NCO.m
?????文件???????3365??2004-06-01?21:44??CarrLoop_Data_Comp_Quanti.m
?????文件???????6013??2004-06-10?10:36??CarrLoop_Quanti_Analyze_Data.m
?????文件???????6500??2004-06-08?11:37??CarrLoop_Quanti_Files_Data.m
?????文件??????31911??2009-09-01?17:02??CarrLoop_QuantiTh.asv
-----------?---------??----------?-----??----
???????????????142880????????????????????17
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