ephemeris
星历
常用释义
英音[ ɪˈfemərɪs ]
美音[ ɪˈfemərɪs ]
变形
复数:
ephemerides
基本释义
- n. 星历表，历书；日历，日记
例句
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1·The scheme can anticipate user's location by using ephemeris message.该策略利用了星历信息的确定性来预计用户的位置。
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2·The GPS Forecasting ephemeris is usually used to predict GPS satellite distribution.GPS预报星历常用来预报未来一段时间内GPS卫星的分布情况。
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3·The broadcast ephemeris, which is the basic of satellite navigation, must be precise and real time.卫星导航定位的基础，要求有较高的精度和实时性。
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4·Based on satellite ephemeris and time data of the satellite coordinates of the celestial coordinate system.根据卫星星历和时间数据计算卫星在天球坐标系中的坐标。
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5·We have to acquire the following "tools" to work with: an ephemeris for the year the horoscope is to be made.我们必须在工作中使用“工具”，出生那年的一个星历表。
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6·Position of the GPS receiver can be precisely calculated in the case of being short of an effective ephemeris.接收机位置计算装置，用于根据卫星的精确位置计算所述接收机的位置。
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7·The GPS ephemeris and GLONASS ephemeris adapt to some kind of the satellite orbits while they have some shortcoming.GPS和GLONASS广播星历形式适合于某一类卫星轨道，但存在一定局限性。
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8·This paper discusses the essential method of using GPS pseudorange data to assess the precision of broadcast ephemeris.论述了GPS监测站伪距观测量评定广播星历精度的基本方法。
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9·Ephemeris error is one of the most important factors which affect positioning precision when satellite navigation was used.广播星历误差是影响卫星导航用户定位精度的重要因素之一。
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10·A fast design method for the lunar satellite transfer trajectory is presented by combining patched conic technique and ephemeris.提出了一种将圆锥曲线拼接法与历表相结合，快速设计月球卫星地月转移轨道的方法。
网络释义
- broadcast ephemeris : 广播星历；广播天文历
- precise ephemeris : 精密星历表；精确星历表
同根词
词根：
ephemeris
ephemerality
n
朝生暮死，短命的事物；无常的事物