2) satellite orbit
卫星轨道
1.
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。
2.
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。
3.
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。
3) satellite orbits
卫星轨道
1.
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。
4) orbiting satellite
轨道卫星
1.
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。
5) satellite prediction
卫星预报
1.
To improve the accuracy of satellite prediction, a method differred from others is adopted: The primary orbit elements are derived from IRV data (predicted 3-dimension coordinate of the satellite and velocity components provided by Europe; coordinate system used rotates with the Earth, while x - axis directs to the longitude zero-point in the Earth).
为了提高卫星预报精度 ,采用了与其他人不同的方法 :从IRV资料 (欧洲提供预报的卫星三维坐标和速度分量的资料 ;使用的坐标系随着地球转动 ,x轴指向地球经度零点 )求出初始轨道根数 。
补充资料：短期天气预报(见天气预报和天气图预报)
短期天气预报(见天气预报和天气图预报)
u。。，，，:‘，anq，yubao短期天气预报见关匀布绍升，二，二一一
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条