双频双系统的实现单点定位，单点测速的功能，并实现了网络数据的传输解算
The dual frequency dual system realizes the function of single point positioning and single point speed measurement, and realizes the transmission and calculation of network data (2021-04-12, C/C++, 902KB, 下载1次)
bds与gps组合定位算法实现，可用于多系统导航
BDS and GPS integrated positioning algorithm can be used in multi-system navigation (2019-06-13, C/C++, 12133KB, 下载5次)
北斗GPS双模定位模块，串口解析协议后直接输出
Beidou GPS Dual-mode Positioning Module, Direct Output after Serial Port Resolution Protocol (2019-02-25, C/C++, 1988KB, 下载11次)
本系统通过龙格库塔算法积分算法，推算出卫星轨道的精确位置，在glonass导航卫星中，可以为卫星定位提供支持。
Through the algorithm of Runge Kutta algorithm, the precise position of the satellite orbit is calculated. In the GLONASS navigation satellite, it can provide support for the satellite positioning. (2018-04-19, C/C++, 664KB, 下载6次)
GU600是一款内嵌高灵敏度 GPS 功能的 GSM/GPRS 模块,可同时支持双频段或者四频段制式,有更小的体积,可以进行板级,开发所需sdk
GU600 is a high-sensitivity GPS functionality embedded GSM/GPRS module, which can support dual-band or quad-band format, with a smaller footprint and can be board-level, develop the required sdk (2013-11-22, C/C++, 6814KB, 下载8次)
使用STM32(cortex-M3核)模拟GPS模块（摩托罗拉产品GT-UT ONCORE）与基站设备交换机通过双串口进行AT指令交互完成授时(cpu之systick产生1pps信号)，测试成功。
Use STM32 (cortex-M3 core) simulated GPS module (Motorola products GT-UT ONCORE) and base station equipment switches through dual serial AT commands interactively complete timing (cpu' s systick produce 1pps signal), the test was successful. (2013-07-03, C/C++, 2085KB, 下载41次)
卫星导航双模定位或者多模定位解算函数，里面有卫星位置和伪距数据，直接可以看到定位解算结果
Satellite navigation ， positioning mode，multi-mode positioning solver，with c language，work on matlab，with the data of satellite position and pseudo-range
(2013-05-31, C/C++, 2KB, 下载7次)
星载双频GPS观测数据的降采样处理方法Dual-frequency GPS satellite observation data down-sampling approach
Dual-frequency GPS satellite observation data down-sampling approach (2010-12-18, C/C++, 51KB, 下载6次)
GSM/gps通信程序：双串口控制。当时我编这程序时还是花了不少力气的。
(1)gsm部分：以AT指令控制西门子TC35模块。程序代码精简。也可以用于TC35i，MC45,TC45的控制.
(2)采用GPS标准协议格式，获取GPS模块发来的时间、位置、速度等信息。该程序经过试验验证.
程序中，实现GPS信息的接收，并和其它信息一起编码成GSM传输协议格式发送出去。
GSM/gps Communication Program: Two serial control. When I compile this program, or spent a lot of effort for. (1) gsm Part: AT command to control the Siemens TC35 module. Streamlined code. Can also be used TC35i, MC45, TC45 control. (2) The standard protocol format, GPS, GPS module made to obtain the time, location, speed and other information. After the test verification process. Program to achieve GPS information received, and other information with the coded format of GSM protocol to send out. (2010-08-30, C/C++, 9KB, 下载98次)
GPS定位程序，Winbond 单片机 W77E58 双串口测试程序
GPS locator, Winbond single-chip dual-serial test procedure W77E58 (2009-05-25, C/C++, 4KB, 下载17次)
w77e58 双串口 单片机 GPS GPRS软件
可收发定位短信，拨打电话，联网。
W77E58 dual serial Singlechip GPS GPRS positioning software can send and receive SMS, make calls, networking. (2007-09-21, C/C++, 4KB, 下载289次)