One of the first applications of artificial satellites was radio navigation.
人造地球卫星最早的一个用途就是之一就是导航。
Then the positioning calculation can be realized for radio navigation system.
实现无线电导航系统的定位解算。
A private pilot's license gives you training in visual and radio navigation of a small plane.
私人飞行执照要求掌握小型飞机的无线电导航。
It can be used in developing the short range radio navigation ground beacon and testing the performance of its transmitter.
该平台可在近程无线电导航地面导航设备的研制中确定发射机参数和检验性能时使用。
A commercial pilot's license requires you to learn how to use more sophisticated radio navigation and global positioning systems (GPS).
商业飞行执照要求更灵活的掌握无线电导航及全球定位系统。
Radio navigation makes use of wireless wave, which can be divided into land-based and space-based system according to the position of base point.
无线电导航是利用无线电电波的波速进行导航的方法，根据导航基点可分为陆基导航和空基导航。
Radio wave bending is caused by atmospheric refraction, which leads to the distance measured by radio navigation system different from the truth.
大气折射效应会引起无线电传播路径发生弯曲，使得无线电导航定位系统中测量到的距离与真实值有一定的误差。
Obviously artificial satellites need radio navigation themselves, to evaluate the performance of the rocket carrier and determine the final satellite's orbit.
显然卫星本身就需要导航，以确定火箭的发射轨道和卫星最终定点轨道。
GPS is the best portioning poday. As GPS is nearly completed, NNSS-navy navigation satellite systems and radio navigation, systems would gradually be weeded out.
GPS将是世界上最佳的定位系统。由于GPS将近完成，NNSS——子午仪导航卫星系及大部分台、站导航系统将被逐步淘汰。
Scheme is proposed of using a computer on sline and digital filtering 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。
Theory, operating features and interface relations of three correction modes for the inertial navigation; Short-Range Radio Navigation, Long-Range Radio Navigation and Visual, are presented.
从校正方式组成及原理入手，详细地介绍了某型飞机导航系统惯导几种校正方式的使用特点及相互交联关系。
Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.
本课题以扩频通信为理论基础，结合目前广泛使用的数字信号处理芯片DSP和FPGA，研究了区域无线电导航系统接收机数字信号处理平台。
At ancient times, people were navigated by means of sun, fixed stars, etc., while currently the common navigation systems are astronomic navigation, inertial navigation and radio navigation.
以前，人们主要利用太阳、星星等自然天体。现在人们利用的导航系统主要有：天文导航系统、惯性导航系统、无线电导航系统三大类。
A Scheme is proposed of using a computer on sline and digital filtering 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。
Global Positioning system (GPS) is a radio navigation system which provides free users with accurate longitude, latitude and elevation of three-dimensional position information and time information.
全球定位系统(GPS)是为用户提供免费而精确的经度，纬度和海拔三维位置信息与时间信息的无线电导航系统。
The panels charge two 12-volt batteries, which connect to the VHF radio, GPS and navigation lights.
它们为两个12伏的电池充电，这两个电池连接到高频电台、GPS和导航灯。
Solar flares can disrupt radio communications, including devices that use Global Positioning system technology, such as cell phones, airplanes and car navigation systems.
太阳耀斑能够干扰到无线电通讯，包括使用全球定位系统技术的设备，如手机、飞机和汽车导航系统。
As most smartphones also come equipped with GPS navigation, the device could also act as a radio beacon, and broadcast the owner's location.
众所周知，大多数智能手机都配有GPS导航装置，与此同时这台设备就成了无线发射塔，四处广播机主的位置。
Smart power grids, GPS navigation, air travel, financial services and emergency radio communications can all be knocked out by intense solar activity.
智能电网，GPS导航，飞机航行，金融服务，以及紧急无线电联络都可能受剧烈的太阳活动波及无法正常运行。
Onboard equipments include radio communications and navigation for the pupil pilot to gain the basic skills of flight control and navigation instruments.
机载设备包括无线电通信和导航用于学员飞行员获得航空管制和导航仪表的基本技能。
We use voice commands to take care of duties that normally require numerous inputs on a keypad, such as punching in navigation coordinates and changing radio frequencies and bingo fuel amounts.
我们将语音命令用于正常情况下需要大量键盘输入的场合，比如装订导航座标和改变无线电频率以及设定最大航程油量。
Unlike traditional radio-controlled planes, unmanned aerial vehicles, or U.A.V. 's, have the capacity for autonomous flight and navigation.
不像传统的无线遥控飞机，无人驾驶航空器可以自主飞行和导航。
S, have the capacity for autonomous flight and navigation. A radio-controlled plane becomes an autonomous drone when it is given an autopilot, which Mr. Anderson calls "giving the plane a brain."
当无线遥控飞机装上安德森先生称做“飞机的脑子”的自动驾驶仪，无线遥控飞机就成了自主飞行的无人驾驶飞机。
The wheelhouse was found in a somewhat similar condition as the crew cabins, completely ransacked with most of the navigation and radio communication equipment having been looted.
驾驶室的情况与普通船员房间相似，被彻底抢劫，大部分的导航及无线通讯设备被掠走。
Car theft, equipment, including radio, air conditioning, navigation systems, audio combination, airbags.
车内装备，包括防盗、无线电、冷气、导航系统、音响组合、安全气袋之类。
Radio altimeters measure the distance of an aircraft above the ground rather than above sea level, they are used in automatic navigation and Blind-landing systems.
无线电高度表测量的是飞机离地面而不是离海平面的距离，用于自动导航及仪表着陆系统上。
The radio wave refraction correction for improving the accuracy of GPS navigation and location is necessary.
因此要提高GPS的定位导航精度，就必须进行电波折射修正。
The same storm disrupted shortwave radio transmissions, cripple Coast Guard loran navigation systems and had automatic garage doors opening on their own.
这次太阳风暴同时还使无线电短波通讯中断，海岸警卫队的洛兰远程导航系统瘫痪，车库的自动门自行开启。
These functions of automobile multimedia system include automobile navigation system, DVD player, FM radio, TV, GPRS wireless Internet connection, sending short message.
系统主要包括的功能有：车载导航系统、DVD、FM调频收音机、电视、GPRS无线上网、倒车雷达及发短信报警。
As the Beidou satellite navigation system, it is possible to use the time service as the source of synchronization referrence in Tactics FH radio.
随着北斗卫星导航系统的正式运营，利用北斗无源授时服务提供的时钟作为战术跳频电台的同步参考时钟成为了可能。
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