GPS接收图形界面如下图，打开串口接收数据，且LED灯亮，数据解析得到格林尼治时间、用户三维坐标、日期时间。-GPS receiving graphical interface below, open a serial port receives the data, and LED lights, data analysis, user get GMT three-dimensional coordinates, date/time.

用matlab实现GPS原理和接收机设计中卫星速度和位置坐标的计算。可以输入任意信号发射时间计算。-Realization of GPS principle and the calculation of satellite velocity and position coordinates in the design of the receiver using matlab. Can enter any signal emission time calculation.