资源简介

GPS跟踪模块的载波跟踪环的仿真程序,可以成功的仿真载波跟踪的过程。

资源截图

代码片段和文件信息

%比较两个不同情况下生成的载波跟踪数据
clc
clear

%下面参数根据实际情况
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(‘当前计算的跟踪环路带宽为%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

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     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阶环路)_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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