火箭運動 的英文怎麼說
中文拼音 [huǒjiànyùndòng]
火箭運動
英文
rocket motion-
Finally, when in orbit round the earth, the calculators calculate exactly when to fire the retro-rocket to effect re-entry.
最後,在圍繞地球的軌道運行的時候,計算機會精確地計算出應該在什麼時候發射制動火箭以重返大氣層。Orbiting satellites were better at spying on enemies than wayward reconnaissance drones, and rockets destroyed targets more reliably than temperamental flying bombs did
按軌道運動的衛星比難以駕馭且以監控為主的無人駕駛飛機更好地偵查敵情,而且相對於我行我素的自動導航導彈而言,用火箭來毀滅目標更具可靠性。The yankees - - along with the astros and red sox, clemens ' other expected suitors - - are caught in a holding pattern, waiting for further word from the rocket
洋基與運動家紅襪都是火箭人預計復出的球隊,洋基空著位置,等待火箭人進一步消息。Second, according to the characteristic of an actual flying process of a launch vehicle, those equations are predigested
2 、根據火箭在實際飛行過程中的特點對其動力學和運動學模型進行了簡化。Railway transportation test method for solid rocket motors
固體火箭發動機鐵路運輸試驗方法The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況,這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures
文摘:敘述了20世紀50年代以來中國航天固體火箭推進技術的發展歷程,介紹了9種最具代表性的固體火箭發動機的技術特徵、研製過程、地面試驗和飛行情況,這些發動機分別應用於中國的探空火箭、運載火箭上面級和應用衛星變軌系統.文中還簡要地評述了中國固體推進各單項技術的發展水平With additional capabilities in rotorcraft, electronic and defense systems, missiles, rocket engines, satellites, launch vehicles and advanced information and communication systems, the company ' s reach extends to customers in 145 countries
加上旋翼飛機、電子和防禦系統、導彈、火箭發動機、衛星、運載火箭和先進信息及通訊系統等方面的研製能力,本公司的客戶已經遍及145個國家。During its storage, transportation, maintenance and service, the solid rocket motor ( srm ) may encounter many incidents such as being dropped onto the ground while being hoisted up, crashing when vehicle turns over during transportation, being struck heavily in takeoff or landing accident while being carried by airplane, impacting with launch platform or buildings when there is abnormality during launch of multiple - stage rocket. impact of great intensity takes place in such accidents, which will lead to srm ignition or explosion
固體火箭發動機在貯存、運輸、維護及使用過程中可能遇到各種意外機械撞擊激勵,例如:吊裝過程中跌落,運輸過程中因交通事故發生翻覆碰撞,機載固體導彈掛飛時因載機發生起降事故導致高速沖撞,多級火箭發射初期因發射異常與發射架或地面建築物發生碰撞等,固體火箭發動機將受到劇烈機械撞擊載荷作用,導致其著火燃燒甚至爆炸。New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported
主要內容包括:在總結決策分析與專家系統規則庫技術的基礎上,提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制,該機制能有效的將定量計算和定性知識融為一體,將規范的決策分析解題過程與專家系統特有的演化推理方法有機結合起來;在多屬性效用理論的基礎上,建立了一般形式的復式效用模型,並實用化了全相關乘式效用模型,提供了較完善的通用建模、分析和解釋功能:引入了com dcom組件技術,開發了基於組件的widss系統,該系統基於形式化推理機制,易於擴展,能夠面向多種決策問題,具有較強的通用性;建立了遠程多管火箭炮全炮動力學模擬模型,將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中;利用碰撞接觸理論,對火箭彈在定向器管內的運動受力情況進行了模擬計算;建立了遠程多管火箭炮箱式發射改進方案模型,並利用動力學模擬計算結果在widss系統中進行了方案性能評估。Abstract : this paper briefly presents th e application of advanced brazing techniques for a larye number of assemblies of space vehicles, such as thrust chamber and turbine rotor of launch rock et engine, titanium tube of satellite, attitude control engine injector and wave guide component of satell ite, reflector, tube and honeycomb panel of manned spacecraft, main engine nozzl e and preburner of space shuttle as well as the pipeline systems of space statio n
文摘:簡略地介紹了先進釬焊技術在航天器部件,例如運載火箭發動機的推力室和渦輪轉子、人造衛星的鈦導管、姿控發動機噴注器和波導器件、載人飛船的反射器、導管和蜂窩壁板、航天飛機的主發動機噴管和預燃室以及空間站的管路系統等的廣泛應用情況。They would be built from shuttle booster rockets fuel tanks and main engines as well as moon rocket engines
新型運載火箭將由飛船助推火箭燃料箱主發動機以及月球火箭發動機組成。They would be built from shuttle booster rockets, fuel tanks and main engines, as well as moon rocket engines
新型運載火箭將由飛船助推火箭燃料箱主發動機以及月球火箭發動機組成。In this paper, based on the viscoelasticity theory and the dynamics theory, the finite element method ( fem ) is used to the structural integrality analysis of the grain in rocket engine of the base - bleed and rocket compound extended range projectile in chamber
本文基於粘彈性理論和動力學理論,運用ansys對某型號底排?火箭復合增程彈助推火箭發動機藥柱在膛內的結構完整性進行了系統的分析。On carrier rocket engine working - process research system model and its application
運載火箭發動機工作過程研究體系模型的研究Although oux carrier rocket engine technology has obtained tremendous advancement, it has much gap from the advanced country
我國的運載火箭發動機技術雖然取得了巨大進步,但與世界先進水平相比仍有一定的差距。The paper anaiyzes the key elements which affect the ability of rescarch and innovation of different kinds of engines. the author raises the conception of carrier rocket engine working process research system : builds the structure model of carrier rocket engine working process research system by using the theory of operationai research and systems engineering : analyzes this structure model by the analytical hierarchy process : calculates the system element important degree and integrate important degree. the research result has some reference values to the rocket engine research institute building and strategy development
論文分析了影響不同類型火箭發動機研究、創新能力的各種因素,提出了運載火箭發動機工作過程研究體系的概念;綜合應用系統工程、運籌學理論,建立了運載火箭發動機工作過程研究體系結構模型;對工作過程研究體系結構模型進行了層次分析,確定了體系的層次結構;分析了體系中各個要素的相對重要程度及綜合重要程度。To win the prize, teams must demonstrate a rocket - propelled vehicle and payload that takes off vertically, climbs to a defined altitude, flies for a pre - determined amount of time, and then land vertically on a target that is a fixed distance from the launch pad
為了贏得獎金,參賽隊伍必須證明火箭驅動的運輸工具及其載荷必須垂直起飛,爬上一定高度,飛行一定時間,並筆直的降落在離出發場地一定距離的目標上。Liquid rocket engine is a thermal kinetic system, it runs under extremely strict physical conditions, such as high temperature, high pressure, strong erosion, high density of energy release, strong components parameters coupling. it is very difficult to establish accurate dynamic mathematical model
液體火箭發動機是一種在極端的物理條件(如高溫、高壓、強腐蝕和高密度的能量釋放等)下運行的復雜的流體-熱動力系統,部件參數強烈耦合,很難建立精確的動態數學模型。In the paper, it solve the problem of mobile launch vehicle ' s guidance, it can ensure the orbit injection ' s accuracy of launch vehicle, the researches have some theoretical meaning and some value of engineering application
6 、分析了數字模擬結果誤差,提出了改進制導精度的方法。本文研究對于解決運載火箭機動發射中的制導問題、保證火箭準確入軌有一定的理論意義和工程實用價值。分享友人