GPS receive program,use AT89c51,displayed by 1602lcd.

北京市矢量地图

Least-squares searching for receiver position.Given 4 or more pseudoranges and ephemerides.

GPS信号捕获程序,采用串行搜索算法,并自带三段中频采样的数据.-GPS signal acquisition procedures, using serial search algorithm, and bring their own copies of the three IF sampling data.

测试gps接受设备正确性代码.运行exe文件后,可以查看到通讯设备是否正常-gps acceptance testing equipment correctness code. Run exe file, they can check whether the communications equipment to normal

gps接收端源码以及1个test列子，提供简单的经纬度，速度，时间等GPS数据信息-gps receiver as well as a test source Liezi, providing a simple latitude and longitude, speed, time GPS data

gm862 gsm uploader for telit

该代码使用的是vc，该代码实现了向手机发送短信的功能。-The code using vc, the code to realize the functions of mobile phones to send text messages.

GPS全球定位系统的应用 于大家共同分享啊 好好学习啊 -GPS Global Positioning System used in the U.S. to share study hard ah ah

STC15F2K60S2+GPS_数码管电子钟程序，自动对时。

NGN－3G核心部件SGSN的代码实现，适合初学者学习，有详细的说明-NGN-3G core component code SGSN realize is suitable for beginners to learn, have a detailed description of