android gps jni源码

RTCM SC104标准是由国际海运事业无线电技术委员会(Radio Technical Commission for Maritime services)于1983年11月提出的GNSS差分信号格式。这里是他的编解码源码

一个GPS监控系统中，实现对电子地图加密的示例。解决了GPS系统中对电子地图的安全保密-A GPS monitoring system, the realization of electronic map encrypted examples. Solved the GPS system on the electronic map of the security and confidentiality

GPS C/A code signal genration

GPS signal Pulling in Tracking range

GPS定点单位算法.rar。很详细。很有用。-Fixed-point algorithm for GPS units. Rar. In great detail. Useful.

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.

procedure TfrmMain.DrawSatInfo(gps: TGPSInfo; pbx: TPaintBox); var   i: integer;   r: integer;   dx,dy: integer; begin   r := pbx.Width div 2;   for i:= 1 to 12 do begin     if gps.SatInfo[i].PRN 0 then begin       dx := r + Round(r*(90-gps.SatInfo[i].EL)*sin((gps.SatInfo[i].AZ - 90)*Pi/180)/90);       dy := r + Round(r*(90-gps.SatInfo[i].EL)*cos((gps.SatInfo[i].AZ - 90)*Pi/180)/90);       dx := dx - 8;       if dx < 0 then dx := 0;       if gps.SatInfo[i].SN > 20 then begin         pbx.Canvas.Font.Color := clBlue;         pbx.Canvas.TextOut(dx,dy,inttostr(gps.SatInfo[i].PRN));       end else begin

实现网络GPS定位车辆的位置-Let you kown how to get your position in gps network

GPS系统下RAIM算法可用性及结果分析，可用于RAIM算法的初学者或RAIM研究时的参考资料

一个基本的类 用于提取GPS数据中的经纬度，速度高度信息，功能较简单。-A basic category for the extraction of GPS data in latitude and longitude, speed, height information, a simpler function.