orbit equation 中文意思是什麼
orbit equation
解釋
軌道方程-
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。 -
The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed
同步衛星自主導航與軌道保持技術研究：分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量，分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。 -
In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes
在軌道控制部分，研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的非線性控制系統，將狀態空間的幾何結構與控制系統的狀態方程建立直接的聯系。在姿態控制部分，研究的主要思想是以整體微分幾何方法為工具，以李群與李代數等數學理論為基礎，從數學角度建立具有良好性能的數學模型，並設計出相應的控制方法。 -
The quadratic nonlinear term and the cubic nonlinear term that coexist in equation ( 1 ), thus causes difficulty in studying this sort of system through the analytical method and correspondingly makes the solution of analytical expression of homoclinic orbit or heteroclinic orbit in hamilton system extremely difficult
二次非線性項和三次非線性項共同存在於方程（ 1 ）中，使得用解析方法研究這類系統的難度增大，對應hamilton系統中的同宿軌道或異宿軌道的解析表達式的求解相當困難。 -
Nature of the singular point of plane poincare mapping that is established by equation ( 1 ) is analyzed. relationship between the three parameters and homoclinic orbit and heteroclinic orbit of the hamilton system corresponding to this sort of equation is discussed. the adequate and essential condition of the existing homoclinic orbit or heteroclinic orbit for the hamilton system is presented
分析了方程（ 1 ）建立的平面poincare映射的奇點性質，討論了此類方程對應的hamilton系統的同宿軌道和異宿軌道與三個參數o 、夕、屍的關系，給出了hamilton系統存在同宿軌道或異宿軌道的充分必要條件。 -
All of these reveal the further properties of the wave propagating in one - dimensional elastic continuum. on phase plane, the qualitative analysis are made, which exhibits four kinds of orbits : the heteroclinic orbit of burgers equation, the homoclinic orbit of k - dv equation, and saddle - foci heteroclinic orbit or saddle - joint heteroclinic orbit of kdv - burgers equation
說明burgers方程在相平面上有相應于激波解的異宿軌道; k ~ dv方程有相應于孤波解的同宿軌道: kdv一buegers方程有相應于振蕩孤波解的鞍一焦異宿軌道和相應于激波解的鞍一結異宿軌道。 -
We consider a nonlinear differential equation periodic boundary value problems of second order which has proposed as a model for the periodic motion of a satellite in its elliptic orbit
摘要本文考慮作為衛星繞橢圓軌道做周期運動模型的一個非線性微分方程的周期邊值問題。 -
2 ) applied hertz theory and the force between roller ( or ball ) and orbit, the equation groups for calculating equal contact stress curve are listed. the answer of the equation groups is calculated by utilizing the software matlab. the result of the simulation to this answer proved that the answer is reasonable and the design rule also be discussed from the analysis result
（ 2 ）應用赫茲接觸理論和所求得的軌道與滾動體之間的正壓力，分別列出以球和滾子作滾動體的等接觸應力軌道曲線方程組，利用matlab求解方程組，並對求解結果進行模擬分析，論證了所求的結果在理論上的合理性，歸納出設計這種液壓馬達的注意事項。 -
Though the hill equation was improved it cannot satisfied with the long distance navigation. here is considering the main satellite the following satellite and the target satellite format a triangle in the space which was useful in the relative navigation. the orbit of the following satellite was resolved by calculate the hill equation
盡管如此改進的hill方程依然不能滿足遠距離的相對導航，當從星在攔截目標星時，若目標星在攔截過程中發生軌道機動遠離主星，這里考慮到在已知從星軌道的前提下利用主從星以及目標星在空間形成的三角關系這一有利條件進行幾何法定位的研究，並通過數學模擬對其誤差大小進行了分析。 -
This thesis deals with the following results with regard to the control systems of satellite : ( 1 ) on the basis of global geometry theory, deprive the representation of state equation for the satellite orbit control system under the geometric restraint, show that the geometrical structure of geometric restraint affect on satellite orbit control system, and study the connection between the equilibriums state of the control system and the geodesies of the geometric restraint
對於人造衛星控制系統的研究，本論文的主要工作表現在以下幾個方面： （ 1 ）基於整體微分幾何理論推導出人造衛星軌道控制系統在幾何約束下的整體化方程，展示了幾何約束條件對人造衛星軌道控制系統的影響。並且討論了具有幾何約束的人造衛星軌道控制系統的平衡態與幾何約束條件之間的關系。 -
Through the approximate handling of geomagnetic intensity and differential riccati equation, the magnetic attitude h control law of the microsatellite in a circle orbit which has external disturb and the structural perturbation is presented
通過對衛星地磁場和微分riccati方程進行近似處理，給出有外界擾動和結構化攝動圓軌道衛星系統的h _磁姿態控制規律。 -
Main contents as follows : a series of concepts and theorem involved in the paper on chaotic dynamical systems are discussed, such as dynamical systems, optimization arithmetic, phase space & orbit, li - york law, chaos control and so on. in order to understand chaos theory, chaotic evolving law of logistic equation is addressed in detail. logistic equation is a simple nonlinear dissipative system
包括： （ 1 ） logistic非線性迭代方程的分岔； （ 2 ）分岔圖的標度性和自相似性； （ 3 ）一維lyapunov指數計算方法； （ 4 ）控制參量對系統演化的作用； （ 5 ）初值敏感性數值模擬； （ 6 ）其它幾種非線性系統的混沌演化特性測試。 -
A simplification in the foundation of actual dynamics model and the differential equation of aircraft movement are put forward, we have non - dimensionalized the equations. an optimal guidance model for orbit transfers is accomplished by the optimal control theory
本文圍繞平面情況下飛行器最佳變軌路徑這一主題，在實際力學模型基礎上進行簡化，建立飛行器運動微分方程，並加以無量綱化處理。
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