ephemerides

常见例句

• American mathematician and astronomer who published an almanac (792-802) containing ephemerides that he had calculated.
  班尼克，本杰明：(73-80')美国数学家和天文学家，他出版了一本历书（792-802年），其中包含他计算出的星历表
• GPS satellite precise ephemerides provided by IGS describe there dimension position of GPS satellites in ITRF.
  IGS提供的精密星历描述了GPS卫星在地固系中的三维位置。
• American mathematician and astronomer who published an almanac (1792-1802) containing ephemerides that he had calculated.
  班尼克，本杰明：(1731-1806)美国数学家和天文学家，他出版了一本历书（1792-1802年），其中包含他计算出的星历表
• From those optical data and the ephemerides of the sun and the earth, the iterative least square (ILS) method was used to estimate the epoch state of the lunar satellite's orbit.
  对该自主导航算法进行了数学仿真,分析比较了敏感器精度、部分轨道参数等因素对定位精度的影响,总结了其变化规律。
• The formulae of correction for the other observations are also given.With these corrections,We can use the simplest formulae to calculate the satellite ephemerides in impro...
  经过这些改正后,在轨道改进时,星历表计算就可用最简单的时间对应的公式计算,不必进行迭代,也无需加任何附加项。
• The error sources in GPS-based orbit determination and the accuracies of GPS satellite ephemerides are analyzed. The usage of GPS clock offsets in GPS-based orbit determination is discussed.
  分析了星载GPS定轨的误差源及IGS所提供的星历的精度，研究了GPS卫星钟差在星载GPS低轨卫星定轨中的应用问题。
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