ephemeris中文什么意思

发音:   用"ephemeris"造句
n.
(pl. ephemerides ) 【天文学】天体位置表;星历表。
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例句与用法

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  1. American ephemeris and nautical almanac
    美国天文年历和航海年历
  2. Effect of ephemeris error on the positioning accuracy of double - star positioning system
    星历误差对双星定位系统定位精度的影响
  3. 200s ttff - cold ( with current almanac , position , time and ephemeris ) 50s ttff - warm ( with current almanac , position , and time )
    Ttff温启动典型值50秒(当拥有当前的天历、位置和时间数据时)
  4. The orientation information of the sun , the moon and the earth , together with ephemeris are utilized to develop autonomous navigation algorithm , as well as its realization by dsp hardware
    在小样本观测数据情况下,研究利用日地月方位信息和日月星历表进行航天器自主导航以及利用dsp实现航天器自主导航器的技术。
  5. Some message described in the thesis , such as the basic structure of gps - oem , the consists of positioning system , the binary format of almanac and ephemeris , the method and the skill of processing orignal data through singlechip , and so on , is very useful for studying gps and its applications in integrated navigation , and re - development on gps - oem
    同时亦可与gis (地理信息系统)配套使用,实现在crt上地图背景下的运动轨迹显示。第二个产品, gps时钟/同步系统,利用全球卫星定位gps卫星的标准utc时间,可在全球得到同步的准确时间。设备采用motorola的12通道gpsoem接收机。

英文释义

名词
  1. an annual publication containing astronomical tables that give the positions of the celestial bodies throughout the year; "today computers calculate the ephemerides"

相关词汇

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