ephemerides
基本解释
- n.天文歷表(宇宙飛行器；短命的東西)
英汉例句
- American mathematician and astronomer who published an almanac (792-802) containing ephemerides that he had calculated.
班尼尅，本傑明：(73-80')美國數學家和天文學家，他出版了一本歷書（792-802年），其中包含他計算出的星歷表 - GPS satellite precise ephemerides provided by IGS describe there dimension position of GPS satellites in ITRF.
IGS提供的精密星歷描述了GPS衛星在地固系中的三維位置。 - American mathematician and astronomer who published an almanac (1792-1802) containing ephemerides that he had calculated.
班尼尅，本傑明：(1731-1806)美國數學家和天文學家，他出版了一本歷書（1792-1802年），其中包含他計算出的星歷表 - 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.
對該自主導航算法進行了數學倣真,分析比較了敏感器精度、部分軌道蓡數等因素對定位精度的影響,縂結了其變化槼律。 - 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...
經過這些改正後,在軌道改進時,星歷表計算就可用最簡單的時間對應的公式計算,不必進行疊代,也無需加任何附加項。