非軌道性系統 的英文怎麼說
中文拼音 [fēiguǐdàoxìngxìtǒng]
非軌道性系統
英文
non-orbiting system- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 軌 : Ⅰ名詞1. (路軌;軌道) rail; track 2. (比喻辦法、規矩、秩序等) rut; path; course Ⅱ動詞[書面語] (遵循; 依循) follow
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 軌道 : 1 (供火車、電車等行駛的由條形鋼材鋪成的路線) track; pathway; rail; runway; circle; railway 2 (...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。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。The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy
其次,衛星在軌運行時將受到各種干擾力的影響,因此在研究精確地磁場模型電動力纜繩離軌系統的動力學特性的基礎上,著重研究了大氣阻力攝動和地球非球形攝動對衛星離軌過程中各軌道參數的影響。Based on the complex nonlinear system theory and contraposing the nonlinear time - dependent characteristic of complex economic system, this dissertation researches the structure, stability, equilibrium trajectory bifurcation and trajectory catastrophe phenomenon of evolution, the characteristics of the equilibrium catastrophe trajectory which is caused by parameters
以復雜非線性系統的理論為基礎,圍繞復雜經濟系統的非線性時變特點,對非線性時變系統的結構、穩定性、演化過程中平衡軌道分岔現象和參數引起的軌跡突變現象進行了理論研究,研究了突變軌跡的相關性質。The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system
如航跡產生器的設計,該航跡產生器是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。What ' s more, the optimal solution cannot be guaranteed. according to the constraint nonlinear programming of designing horizontal trajectory presented by jiang shengzong in 2001, the paper constructs a nonlinear multilevel lumped parameter dynamical system by the nonlinear control theory and describes the existence of its solution and the controllability as well as the polykeys of this optimal control
2001年江勝宗等人提出了側鉆水平井軌道設計的約束非線性規劃,本文應用非線性控制理論,建立了三維水平井井眼軌跡的非線性集中參數多階段動力系統,論述了該系統解的存在性及其最優控制的可控性和多解性。At first, a method for controlling chaos is studied, which is based on phase switching modulation. the n - scroll chua ' s circuit is controlled to its fixed point as well as periodic orbits by using switching modulation on one its phase. its mechanism of control is analysed using the change of the max lyapunov exponent when the system is controlled
首先,通過對多渦卷蔡氏電路中非線性特性函數的相位進行開關調制,把多渦卷蔡氏電路由混沌狀態控制到其平衡態和周期軌道,並用控制后系統的最大lyapunov指數隨時間的轉變闡述了其控制機制。The global bifurcation analysis of the nonlinear nonplanar cantilever is given by a global perturbation method developed by kovacic and wiggins. it is found that the nonlinear nonplanar cantilever can undergo the hopf bifurcation, heteroclinic bifurcations and silnikov - type homoclinic orbit to saddle focus, which means that the nonlinear nonplanar cantilever can give rise to the chaotic motion in the sense of smale horseshoes
利用kovacic和wiggins的全局攝動法對非線性非平面運動懸臂梁進行了全局動力學分析,發現系統存在hopf分叉和異宿分叉,並證明系統有silnikov型鞍焦點型同宿軌道,可以產生smale馬蹄意義下的混沌。The proof of the existence relies on the topological degree and the comparison method. in chapter 2 we deal with positive homoclinic orbits of the differential equation we present two existence results
將集中緊性方法、比較方法與brouwer拓撲度相結合,證明系統( hss )具有兩條非平凡同宿的軌道。分享友人