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针对使用北斗GPS进行高精度人员定位的目的,采用低功耗的STM8S系列芯片STM8S007通过串口1从北斗GPS双模定位模块UM220获得北斗和GPS定位信息,并通过卡尔曼滤波对定位信息进行优化;通过串口3同四频GPRS模块SIM800H进行通信进行数据的传送。方案采用高性价比的stm8芯片功耗低、速度快,模块化设计体积小巧,多种定位方式优化定位精度可达2.0米。
For the purpose of using BeiDou GPS to locate the high-precision personnel, STM8S007 with low power consumption is used to obtain Beidou and GPS positioning information from Beidou GPS dual mode positioning module UM220 via serial port 1, and the positioning information is optimized by Kalman filtering. Through the serial port with the four-band GPRS module SIM800H communication data transmission. Program using cost-effective stm8 chip low power consumption, high speed, modular design, small size, a variety of positioning methods to optimize the positioning accuracy of up to 2.0 meters.