spacecraft navigation 中文意思是什麼

spacecraft navigation 解釋
航天器的導航
  • spacecraft : 非載人宇宙飛船
  • navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
  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. Spacecraft autonomous navigation based on ssukf algorithm

    的航天器自主導航演算法
  3. At present, widely used in the fields of aviation, spacecraft, navigation, chemical industry, petroleum, textile, medical apparatus and metallurgy, awarded the title of “ modern metal ”

    目前已廣泛應用於航空、宇航、航海、化工、石油、紡織、醫療器械及冶金等工業部門，有「現代金屬」之稱。
  4. Selecting the image elements of earth and moon centers as observed quantity, measurement noise model and observed equations of autonomous navigation system are built up. the spacecraft orbit is determined by using the recursive weighted least square based on ud factorization

    在奔選取地心和月心像素作為觀測量，建立了符合實際情況的量測噪聲模型和自主導航系統的觀測方程，並利用基於ud分解的遞推加權最小二乘演算法估計了奔月探測器的軌道參數。
  5. These electromagnetic waves can affect telecommunications, radio broadcast and navigation system on earth. sometimes, charged particles can also endanger the operations of spacecraft and satellites in space, and expose astronauts to higher amounts of radiation

    這些電磁波能幹擾地球的廣播通訊及無線導航系統，而帶電荷粒子亦能對航行中的太空船和人造衛星構成危險，也會使太空人處于較高輻射環境中。
  6. Celestial navigation is basic model of autonomous orientation navigation of the spacecraft around the earth

    天文導航是繞地飛行航天器最基本的自主定位導航方式。
  7. The landing site coordinate system is first defined from the image coordinates of three feature points obtained using an optical navigation camera and the distances from the spacecraft to each fp measured using a laser range finder

    首先利用特徵點的圖像坐標和探測器到三個特徵點的距離信息構建了著陸點坐標系，確定了探測器相對著陸點坐標系的位置和姿態。
  8. Under the requirement of multi - maneuver flight mission, spacecraft sometimes has to perform autonomous navigation by using on - board sensors in a short time

    未來多任務航天器往往要執行多次機動飛行，由於地面導航的局限性，需要在較短的時間內對航天器進行自主導航。
  9. Two spacecraft ’ s rendezvous technology in coplanar near - earth orbit with maneuvering target, based on the sight coordinate system is presented in this paper. differential games guidance law ( dggl ) and proportional navigation ( pn ) are studied

    本論文研究了近地共面軌道兩空間飛行器在目標機動下的在軌交會技術，分別對微分對策制導律和比例導引制導律兩種制導方法進行了研究。
  10. The method of relative position estimate based on optical image has wide applications in autonomous navigation, computer vision and spacecraft docking

    基於光學成像的相對位置估計方法在自主導航、機器人視覺和航天器交會對接的領域內有著廣泛的應用。
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