doppler position信息详情
多普勒位置
position───v.安置;把……放在适当位置;n.位置;姿态;处境,地位;观点;职位,工作;站位
doppler shifter───多普勒频移器
doppler ultrasound───[医]多普勒超声
doppler radar───[雷达]多普勒雷达
not doppler───不是多普勒
doppler effect───[物]多普勒效应
doppler test───多普勒试验
lotus position───n.(佛教)莲花坐(一种盘腿坐姿)
position absolute───绝对位置
By calculating the Doppler shift and its uncertainty in the signal covering area, the relation between Doppler shift and the position of the receiver is obtained.───通过对地面卫星信号覆盖区内的多普勒频率偏移及不确定性范围的计算,给出了卫星导航系统信号的多普勒频率偏移与接收机位置之间的关系。
Methods Color Doppler was applied to check liver, cholecyst, pancreas, spleen and two kidney to discover focus size, position, interior echoes and to measure the blood parameters.───方法应用彩色多普勒技术对肝脏、胆囊、胰腺、脾脏、双肾行全面检查,发现异常观察病灶大小、位置、内部回声和血流信号性质的测量。
A simple inertial or Doppler navigation has a common defect that position errors are always increasing with flight time or distance, therefore an external reference system is necessary.───惯性导航或多普勒导航的一个共同缺点是:一般都具有随时问或距离增长的位置误差,这就需要有一个外基准系统。
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