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- Airborne Radio Navigation 机载无线电导航(设备)
- Geometry dilution of position(GDOP) is very important in the navigation precision of territorial radio navigation system. 区域无线电导航系统中;几何精度因子(GDOP)对系统的定位精度有着非常重要的影响.
- In the paper,digital radio frequency memory(DRFM) is applied to airborne radio fuze jammer to jam pulse distance-detecting fuze and pulse Doppler fuze. 将数字射频存储器(DRFM)应用到机载无线电引信干扰机中用来对脉冲测距引信和脉冲多普勒引信进行干扰。
- Develop the reality of radio navigation system. There could be navigation of NDB or VOR, if existed in the history. 增强无线电导航系统的仿真度，可进行NDB或VOR导航，如果历史上有的话。
- Communications and Navigation Airborne Radio Instrumentation 机载无线电导航与通信仪器
- Scheme is proposed of using a computer on sline and digital fil-tering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system . 本文提出了采用单片机和数字滤波技术对一种港口双曲线无线电导航系统的相位信号进行滤波处理和巷识别的方案.
- Microwave Airborne Radio Communication 机载微波无线电通信
- Multifunction Band Airborne Radio 机载多功能波段无线电
- The design of car GPS Navigation is based partly on similar ground-based radio navigation systems, such as LORAN and the Decca Navigator developed in the early 1940s. 一般由外线与分机构成。
- Single Channel Ground to Airborne Radio System 单信道地对空无线电通信系统
- airborne radio direction finding 机载无线电测向
- maritime radio navigation service 海上无线电导航业务
- Advanced Airborne Radio Position Location System 高级机载无线电定位系统
- Maritime Radio Navigation Land Station 航海无线电导航陆地电台(电信标志)
- Army Navy Airborne Radio Communications 陆海军机载无线电通信
- Maritime radio navigation mobile station 海上无线电导航移动电台
- Coverage area of radio navigation system 无线电导航系统覆盖区
- Aeronautical radio navigation satellite service 卫星航空无线电导航业务
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- Smoking is forbidden until the plane is airborne. 飞机升空时禁止吸烟。
