The shooting terms of the field wass gathered with temperature and air pressure sensors, wind direction and wind speed sensor, electronic compass and GPS receiver.

温度和气压传感器、风向风速仪、电子罗盘及GPS采集战场射击条件，激光观测仪与信息机结合采集目标信息。

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This paper based the "Compass I" time-service receiver project of some navigation department.

本论文以某导航研发部门的“北斗一号”授时型接收机项目为基础。

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Hardware designs the interface circuit between ATmegal280 and GPS. electronic compass, inclinometer, beacon receiver or digital tuner, including DC motor drive, button, display peripheral circuits.

详细介绍了GPS、电子罗盘、数字高频头、信标接收机、直流电机驱动、按键、显示、通信等关键硬件电路设计。

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