autonomous spacecraft 中文意思是什麼
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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。 -
But if it has power, thorpe said, " the spacecraft is quite capable of autonomous control even if it doesnt hear from earth.
但如果它的權力，索普說: "飛船尚能自主控制即使不聽到地球 -
Spacecraft autonomous navigation based on ssukf algorithm
的航天器自主導航演算法 -
Intelligent planning and scheduling is one of the key technologies on autonomous control for spacecraft and is necessary to be researched
智能規劃與調度是實現航天器自主控制的關鍵技術之一，其研究和應用具有很大的意義。 -
For the autonomous spacecraft is very complicated, carrying overall mathematical simulation to such a system is very difficult to realize by one computer only. according to the system ' s own characteristics, we can adopt hla ( high level architecture ) structure, distributing the simulation task to the nodal computer of each network
根據探測器自主系統特點，本文將高層體系結構（ hla ， highleverarchitecture ）應用於深空探測自主技術模擬中，將模擬任務分佈到各個網路節點計算機上，實現了分散式的深空探測自主技術的模擬系統。 -
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。 -
Then, for remote agent in " deep space one ", which is the first intelligent autonomous control system operating in the spacecrafts, the configuration, function, system architecture and realization of remote agent are analyzed and discussed respectively. the fundamental ideas, the technology points to be solved, and the concerned realization for the intelligent autonomous control of spacecraft and its propulsion system are obtained and summarized
隨后，針對「 remoteagent 」智能自治控制系統，通過對其結構、功能、系統構成和應用實現等方面的剖析，總結出對空間飛行器及推進系統進行智能自治控制的基本思路、需要解決的技術難點及其相關的實現問題。 -
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。 -
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。 -
Spacecrafts are working in the space environment, which is full of sorts of physical mediums. and these mediums will impact on the altitude movement of spacecraft. spacecraft attitude control during propulsive maneuvers is complicated due to several factors as listed below : ( i ) nonlinear dynamics with time delays, ( ii ) modeling and parameter uncertainties, ( iii ) flexible modes due to fuel sloshing and appendages, ( vi ) constraints on propulsive force and torque inputs, ( v ) constraints on acceptable angular rates and attitude, ( iv ) autonomous reconfiguration requirements under failure conditions
飛行器是在一定的空間環境中飛行，而空間環境中充滿著各種物理介質，對飛行器的姿態運動產生不同程度的影響，所以空間飛行器的姿態控制相當復雜，它受到如下因素的制約： （ ? ）帶時延的非線性動態特性（ ? ）模型和參數的不確定性（ ? ）燃料的激蕩性以及燃料消耗所引起飛行器的質量變化（ ? ）推力和輸入力矩的約束性（ ? ）額定角速度約束和姿態約束（ ? ）在故障發生的情況下自動重新配置的必要性。 -
The main idea of hla is to develop a common mainframe of modeling and simulation, which was the first goal of department of defense of usa ' s m & s master plan that published in 1995. it designed to facilitate the interoperability of simulation application and reusability of simulation resource. the object model of the autonomous spacecraft that the thesis discusses is an important part of hla
本文首先論述了目前分佈交互模擬（ dis ， distributedinteractivesimulation ）和hla的發展和應用狀況，在此基礎上，研究了hla基本理論和相關技術， hla充分解決了分散式模擬中互操作性和可擴展性問題，滿足了復雜大系統的模擬需要。 -
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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