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- precise orbit determation 精密定轨
- This is also a glide, a slinging, a rotation and relocation along with precise orbit. 这也是一次滑翔、抛射、旋转、迁徙，沿着自由而精确的轨道运行。
- The problems encountered when using Kalman filter for satellite precise orbit determination are discussed.And a new nonlinear adaptively robust filter is proposed. 摘要讨论了应用卡尔曼滤波进行卫星精密定机所遇到的一些问题，提出了一种新的非线性自适应抗差滤波定轨算法。
- Precise orbit parameters have an important effection in the geometrical using of radar satellite.Based on Konecny model, this paper discussed the correction of ERS satellite orbit parameters. 摘要利用改进等效中心投影模型，对欧洲空间局资源卫星(ERS)轨道参数予以精改正。
- Svehla D,Rothacher M.Kinematic and reduced-dynamic precise orbit determination of low earth orbiters[J].Advances in Geosciences,2002,1:47456. 陈俊勇.;现代低轨卫星对地球重力场探测的实践和进展[J]
- Chapter 4 sets up a ariable step size to-and-fro bill climbing? method for precise orbit designing rapidly, under the precise orbital model. 第四章建立了在精确的月球探测器轨道计算模型下的变步长折回爬山法的搜索标准轨道的方法，可快速搜索出满足要求的标准轨道。
- satellite precise orbit determination 卫星精密定轨
- kinematic precise orbit determination 运动学精密定轨
- A METHOD ON THE PRECISE ORBIT DETERMINATION FOR LUNAR SATELLITE 月球卫星的精密定轨
- The Precise Orbit Determination of the Lunar Satellite 月球卫星精密定轨
- Real-time Precise Orbit Determination for GPS Satellite GPS卫星精密星历的实时确定
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- Based on the GIPSY, a GPS data analysis software package developed at JPL, the strategies of fixed precise orbits and fixed precise orbits and clocks for regional GPS data analysis are compared. 采用美国喷气推进实验室 JPL发展的 GIPSY软件解算区域 GPS网 ,比较了固定精密星历和同时固定精密星历及卫星钟参数 2种解算方案。
- The new version of J77 is found to be obviously advantageous to the precision orbit determination of ERS-1, which is at the height of 800km, compared with other atmospheric models. 并将其应用于高度为800公里ERS－1卫星的轨道计算，结果表明：修订后的J77模型比其它大气模型在测轨精度上有明显改善。
- He was very precise in following instructions. 他一丝不钆地地执行指示。
- The level of formality determine the precise mode of expression. 不同的礼节程度决定所需的确切表达方式。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- Precis this chapter in two pages. 用两页写出这一章的大意。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- I can't give you a precise date. 我不能告诉你一个确切的日期。
