1) High precision orbit prediction
高精度轨道预报
3) orbit prediction
轨道预报
1.
The orbit prediction of the SAR satellite is the precondition of anti-satellite.
SAR(合成孔径雷达)卫星可以全方位全天候的对特定区域进行侦察,对SAR卫星的轨道预报是反SAR前提。
2.
Orbit prediction of spacecrafts is considered as a forerunner of mission analysis, technology coordinating, scheme constitution and target tracking of ground telemetering, tracking and control (TT&C) system of aerospace engineering.
航天器的轨道预报问题是航天工程地面测控系统任务分析、技术协调、测控方案制定和测控设备实施目标跟踪的先导。
3.
Based on founding a stable orbit prediction system, researching on the techniques for countering the reconnaissance satellite, especially the SAR(Synthetic Aperture Radar) satellite, is of great meaning to the counterreconnaissance of some important areas.
在建立可靠的侦察卫星轨道预报系统的前提下,研究对侦察卫星的干扰技术,特别是对SAR(合成孔径雷达)卫星的干扰技术,对重点区域的反卫星侦察具有重要的意义。
4) prediction orbit
预报轨道
1.
Error analysis of prediction orbit determined by GLONASS ephemeris;
基于GLONASS星历的预报轨道的误差分析
5) high-precision orbit model
高精度轨道模型
6) high-accuracy large track girder
高精度轨道梁
1.
It elaborates the survey error categories in the making of high-accuracy large track girder,analyses the incidental errors in level survey,theodolite survey,tape measure survey,and electro-optic survey,and puts forward suggestions to reduce the survey errors,so as to enhance the making quality of high-accuracy large track girder.
详细介绍了大型轨道梁制作过程中产生的测量误差种类,对水准仪、经纬仪测量、卷尺测量和光电测量中产生的偶然误差进行了分析,提出了减小测量误差的建议,从而提高高精度轨道梁的制作质量。
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