GPS软件接收机

GPS软件接收机的源码，实现信号跟踪、捕获、电文解调、定位解算等功能，有助于学习卫星导航的同学加深对GPS接收机工作原理的理解，也可作为核心代码扩展为GPS接收机工作原理演示程序。

function [] = disp_acq（filename）;
close all;

% load tracking data
sv_acq_data = load（filename）;

[cr cn ] = size（sv_acq_data）
phase_idx  = [1:cn]*500-10000;
freq_idx   = [1:cr]*0.5;
[x y]=meshgrid（phase_idx freq_idx）;
mesh（xysv_acq_data）;
title（‘Signal acquisition result‘）;
xlabel（‘Doppler frequency‘）;
ylabel（‘CA code phase ‘）;

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

     文件       6696  2008-09-02 14:46  GPS_Software_receirver\dllTest.dsp

     文件        537  2007-06-10 05:08  GPS_Software_receirver\dllTest.dsw

     文件     590848  2009-06-27 12:18  GPS_Software_receirver\dllTest.ncb

     文件      55808  2009-06-27 12:18  GPS_Software_receirver\dllTest.opt

     文件       2814  2009-06-27 12:06  GPS_Software_receirver\dllTest.plg

     文件        348  2008-09-09 21:42  GPS_Software_receirver\matlab\display\disp_acq.m

     文件       3632  2008-09-16 15:26  GPS_Software_receirver\matlab\display\disp_ls_fix.m

     文件       7165  2008-09-16 15:26  GPS_Software_receirver\matlab\display\disp_pv_fix.m

     文件       3114  2008-09-16 15:26  GPS_Software_receirver\matlab\display\disp_p_fix.m

     文件       1800  2008-10-31 17:26  GPS_Software_receirver\matlab\display\disp_tracking.m

     文件        159  2008-09-03 17:04  GPS_Software_receirver\matlab\Readme.txt

     文件      13431  2008-09-09 13:02  GPS_Software_receirver\src\acquisition.cpp

     文件       5287  2008-11-25 11:01  GPS_Software_receirver\src\cacode_module.cpp

     文件      43795  2009-05-19 16:54  GPS_Software_receirver\src\gps_controller.cpp

     文件      23296  2008-09-09 13:02  GPS_Software_receirver\src\gps_nav_fix.cpp

     文件      16678  2008-09-09 11:20  GPS_Software_receirver\src\gps_nav_msg.cpp

     文件       2951  2008-09-09 13:10  GPS_Software_receirver\src\includes\acquisition.h

     文件       1701  2008-11-25 11:01  GPS_Software_receirver\src\includes\cacode_module.h

     文件          2  2009-06-27 14:01  GPS_Software_receirver\src\includes\Debug\CVS\Entries

     文件         37  2009-06-27 14:01  GPS_Software_receirver\src\includes\Debug\CVS\Repository

     文件         17  2009-06-27 14:01  GPS_Software_receirver\src\includes\Debug\CVS\Root

     文件        827  2008-11-25 11:01  GPS_Software_receirver\src\includes\gpslibconfig.h

     文件       3440  2008-11-19 17:50  GPS_Software_receirver\src\includes\gps_controller.h

     文件       1465  2008-09-03 15:24  GPS_Software_receirver\src\includes\gps_nav_fix.h

     文件       3630  2008-09-02 15:20  GPS_Software_receirver\src\includes\gps_nav_msg.h

     文件       4375  2008-09-03 15:24  GPS_Software_receirver\src\includes\kalman_filter.h

     文件        330  2008-09-06 21:33  GPS_Software_receirver\src\includes\lib.h

     文件        756  2008-09-02 15:20  GPS_Software_receirver\src\includes\libconfig.h

     文件       2366  2008-09-02 15:20  GPS_Software_receirver\src\includes\matrix.h

     文件       3072  2008-11-19 17:50  GPS_Software_receirver\src\includes\multich_correlator.h

............此处省略29个文件信息