earth moon sun system 中文意思是什麼

earth moon sun system 解釋
地球月日體系
  • earth : n 1 〈常E 〉 地球。2 大地,陸地,地面,地上。3 土壤,土。4 【化學】土類;泥。5 世界人類;人的軀體...
  • moon : n 1 月 月球 月亮。 ★ 1 語法上常作女性處理。 2 形容詞是 lunar。2 〈詩〉(一個)月 太陽月;〈詩〉月...
  • sun : n 1 太陽;陽光;〈古語〉日出,日落。2 (有衛星的)恆星。3 像太陽的東西;中心人物;榮耀;權力。4 ...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段,模擬日、地、月敏感器測量信息,即日、地、月在航天器本體坐標系下的方位信息,結合日月星歷,建立狀態方程及觀測方程,通過最小二乘法得到歷元時刻的軌道狀態初始值,將其代入軌道狀態方程進行自主導航。
  2. Solar system ' s main member includes : sun ( star ), nine planets ( including earth ), innumerable planetoids, multitudinous satellite ( including moon ), but also has the comet, the meteor as well as the massive dust matter and the thin gaseous state matter

    太陽系的主要成員有:太陽(恆星) 、九大行星(包括地球) 、無數小行星、眾多衛星(包括月亮) ,還有彗星、流星以及大量塵埃物質和稀薄的氣態物質。
  3. Tidal energy exploits the natural rise and fall of coastal waters caused mainly by the interaction of the gravitational fields of the earth - moon - sun system

    潮汐能源工程利用了海水的自然潮起潮落過程,這種現象主要是由於地球-
  4. Taking account of the perturbation of the earth ’ s shape, the gravitation of the sun and the moon, the radiation pressure from the sun light and atmosphere drag, a precise orbital dynamic model of spacecraft is established in the equatorial geocentric inertial coordinate system ( j2000 )

    考慮了地球形狀攝動、日-月引力攝動、太陽輻射壓力和大氣阻力因素對飛行器的影響,在地心赤道慣性坐標系下建立了精確的軌道動力學模型。
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