系统精度 System accuracy 航向精度 heading accuracy 0.1°(GPS信号有效)(可自寻北 精度≤0.3°) 0.1°(GPS signal valid) auto north seeking, accuracy ≤0.3° 姿态精度 attitude accuracy 0.05°(GPS信号有效 GPS signal valid),≤0.1° (GPS信号无效 GPS signal invalid) 位置精度 position accuracy <5cm (RTK有效状态下 in RTK valid mode) <30cm(RTD有效状态下 in RTD valid mode) <1m (GPS有效状态下 in GPS valid mode) 差分通讯距离 differential communications distance <2Km 主要器件特性 Features of main parts 角速度测量范围 angular rate measurement range ±300°/s 陀螺零偏稳█定性 gyros null bias stability 0.1°/hr 加速度测量范围 acceleration measurement range ±10g 加速度测量精度 acceleration measurement accuracy 0.1mg 接口特性 Interface features 波特率 baud rate 115200Bps 刷新率 refresh rate 1Hz 位置信息 position information 100Hz 姿态信息 attitude information 200Hz 角速度信息 angular rate information 接口形式 interface mode RS-232 / RS422物理特性 Physical features 供电电压 power supply voltage 28VDC 功耗 power ≤20W 工作温度 operation temperature -40℃~+55℃ 存贮温度 storage temperature -40℃~+70℃ 物理尺寸 physical dimensions 211.5x159x156mm(主机+光学基ㄨ准板) (host computer+optical reference plate) 171x159x146mm(主机 host computer) 重量 weight ≤6Kg(主机+光学基准板) ≤6Kg(host computer+optical reference plate) ≤4.5Kg(主机host computer) 差分基准站 differential reference station 供电电压 power supply voltage 220VAC 功耗 power ≤15W 接口形式 interface mode RS-232 电台←频率范围 radio frequency range 433MHz 外形尺寸 external dimension 1U标准机箱 1U standard crate