The theoretical analysis and simulation result indicate that the satellite orbit and attitude changes have a great influence upon the space-borne SAR imaging.
理论分析与仿真结果表明卫星轨道近似与姿态变化对星载SAR成像有较大影响,应根据不同的成像精度提出不同的卫星控制精度。
And a comparison with GPS system of Galileo system is studied in the following aspects: the satellite orbit deployment,the frequency and signal design,the pseudo-satellite technology and signal service.
从卫星轨道布置方式、信号与频率设计方法、伪卫星技术及信号服务等几个方面与GPS进行了对比研究。
The experiment result with real measurement shows that the new method can be used in real time autonomous satellite orbit determination with high accuracy.
实测数据的计算结果表明,新的定轨方法可以实时自主地得出卫星轨道的位置,并能达到较高的定轨精度。
According to the limitation of the satellite orbits and spectrum resources,this paper puts forward some methods for making effective use of the satellite orbits and spectrum resources.
根据卫星轨道和频谱资源的有限性,提出了有效利用卫星轨道和频谱资源的几种方法。
The contamination of orbiting satellite is predicted by GarWin Equation.
利用北京卫星环境工程研究所拥有的各种规模的空间环境模拟器在进行真空热试验时,测量卫星表面返回质量流密度和发射质量流密度,通过加文(GarWin)方程组来确定轨道卫星的污染预估,从而解决了当前型号研制中污染控制的问题。
general electric satellite orbit control
通用电气卫星轨道控制
argument of perigee of satellite orbit
卫星轨道近地点幅角
geological orbital photography
地质卫星轨道摄影术
orbital photography
轨道摄影术 -卫星
geostationary orbit environmental satellite
静止轨道环境卫星同步轨道环境卫星
orBit a satellite.
把一颗卫星送入轨道
unmanned orbital multifunction satellite
无人多用途轨道卫星
circum earth orbit
地球卫星的环行轨道
orbiting satellites carrying amateur radio
业余无线电用轨道卫星
orbiting data relay satellite system
轨道数据中继卫星系统
International Polar Orbiting Meteorological Satellite
国际极轨道气象卫星
A satellite's circle around the earth.
卫星绕地球的环形轨道
global orbiting navigation satellite system
全球轨道导航卫星系统
orbit of artificial earth satellite
人造地球卫星运行轨道
A satellite stays in orbit,
卫星沿着轨道运行，
put a satellite in [into] orbit
把人造卫星送入轨道
The man-made satellite is now in orbit.
人造卫星已进入轨道。
Global Orbital Navigation Satellite System
全球轨道导航卫星系统(导航卫星系统)