yv318

利用GPS观测和精密星历，采用多项式或球谐函数模型的方法进行建模，能够同时估计接收和卫星DCB，在此基础山计算电离层TEC,为导航单位提供电离层延迟改正(Using GPS observation and precise ephemeris, or methods using spherical harmonic polynomial function model to model, simultaneously estimates the reception and satellite DCB, calculated on the basis of the mountain ionosphere TEC, provide ionospheric corrections for the navigation unit delay)

应用开发板进行GPRS传输数据，应用中包括远距离数据采集(Development board for GPRS data transmission, including remote data acquisition applications)

本程序用于读取GPS中精密星历SP3文件，得到各个卫星的坐标序列(read the sp3 file of GPS)

一些PMF-FFT GPS信号捕获的有关论文(Some PMF-FFT signal acquisition related papers)

说明：  Based on the stm32+mc20 gps positioning system, the 32 serial port control 20 sends the AT command and uploads it to the platform via http.

GPS定位程序相关关键代码，标准单点定位、PPP，模型参数可以自己设置(GPS positioning procedures related to the key code, standard single point positioning, PPP, model parameters can be set up their own)

说明：  用于计算全局莫兰指数的QGIS插件，可衡量地理要素的空间自相关程度(a plugin to calculate Moran'I)

c#开发，用于接收远程gprs模块发送来的数据，安装于服务器端，可用于gps数据是采集。(c# development, for receiving the data sent to remote gprs module, installed on the server side)

Siemens GPRS Modules AT Commands

本压缩文件包含GPS量测数据仿真和惯性导航解算以及卡尔曼滤波在导航解算中的应用(The compressed file contains the GPS measurement data simulation and inertial navigation and Kalman filter solver solver in the navigation application)