矢量力學 的英文怎麼說

中文拼音 [shǐliánglìxué]
矢量力學 英文
classical mechanics
  • 矢 : Ⅰ名詞1. （箭） arrow 2. （尿） excrement; dung; feces 3. （姓氏） a surname Ⅱ動詞（發誓） vow; swear
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  1. Deere k a. computational investigation of the aerodynamic effects on fluidic thrust vectoring. aiaa 2000 - 3598

    喬渭陽，蔡元虎.基於次流噴射控制推力矢量噴管的實驗及數值研究.航空動力學報， 2001 ， 16 （ 3 ）
  2. Based on the three new supposition and the tow new mechanical tools : moment vector and radius vector, the warping theory introduced the analytical method of the rotation of a cross section around a fixed axis, so as to make the space stability of the thin - walled member complanate and one - dimensioned

    翹曲理論以三條新的假定和新建立的彎矩矢量和轉角向徑兩大力學工具為基礎，提出了繞定軸轉動的分析方法，使薄壁構件的空間變形平面化、一維化。
  3. Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow

    並針對選定參數的mtn液晶盒作了動力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時，引流效應對反射率的影響，並比較指向矢，速度，中間層的傾斜角等參量分佈的情況。
  4. Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc

    利用matlab及其附加軟體simulink ，通過建立模擬數學模型，綜合開環矢量方程（描述運動約束） 、數值模擬（在加速度已知時計算速度和位移） 、以及矩陣代數等來完成機器人動態模擬，對所研究的機器人運動學分析結果進行驗證，結果基本一致，為機器人的后續研究，如動力學，控制等奠定基礎。
  5. A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle

    在整個飛行包線內，旋翼的推力矢量方向不斷變化，飛機各部件的氣動力隨發動機短艙傾角和空速的變化而變化，因而飛機的飛行動力學有很強的非定常、非線性特性。
  6. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點，運用數力學中矢量分析理論和方法，推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時，瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  7. In a dynamic situation the vector sum of the forces acting on the body vanished as in the static case.

    在動力學狀態下，作用在物體上的力的矢量和與靜力學情形一樣化為零。
  8. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點，提出了以艇體坐標系為運動坐標系，運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想；將所建立的矢量形式的動力學模型展開整理，獲得了狀態矩陣形式的獵雷聲納基陣動力學方程，為系統動力學模型的實用化奠定了基礎。
  9. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。
  10. 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。
  11. Firstly, e - hmm is used to parameterize face image, the output likelihood of the e - hmm is encoded to form the input vector and is sent to the ann. by taking advantage of the discriminative training of ann, the weak discrimination of the maximum likelihood criterion can be improved, and the recognition performance can be improved by means of the learning ability of ann

    該混合識別網路用e - hmm的參數來描述人臉的整體性和局部細節性特徵，用e - hmm的輸出似然值序列組成ann的輸入矢量，利用ann的鑒別訓練能力來克服e - hmm的基於最大似然準則訓練演算法區分力較差的弱點，同時利用ann的學習能力來提高e hmm的識別性能。
  12. Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce

    因為遺傳演算法具有全局隨機搜索能力，魯棒性強、使用簡單和廣泛的特點，它不採用路徑搜索，而採用概率搜索，不用關心問題本身的內在規律，能夠在復雜的、多峰值的、不可微的大矢量空間中迅速有效地尋找到全局最優解，所以可以彌補神經網路學習演算法的不足，使陷入局部最小值的可能性大大減少，使得收斂速度提高，訓練量減小。
  13. Abstract : with simulated annealing approach based on simple method, the dynamic system of some submarine - launched missile carrier s water trajectory is identified, and the effects of no - modeling uncertainty and dimension of parameters to be identified on overall identification precision are investigated

    文摘:運用基於單純形的模擬退火演算法對某潛射導彈運載器水彈道動力學系統進行了辨識，並探索了未建模不確定性及待辨識參數矢量的維數對辨識精度的影響。
  14. In addition, the thesis has gained a little innovative achievements which are differ from other scholars, such as classifying the carrying objects of environmental carrying capacity, establishing the index system of environmental carrying capacity, unifying dimentions, modifying the initial coefficients and making use of hierarchy and vector analytical method to analyze environmental carrying capacity quantificationally

    本文在環境承載力承載對象的分類、環境承載力指標體系的構建、統一量綱的方法、初始權重的修正以及採用層次矢量分析法量化研究環境承載力等方面進行了不同於其他學者的新嘗試。
  15. The application background of thrust vectoring technology on aircraft and its advantages are analyzed. the main characteristics of some type of vectoring nozzles are discussed, the expression of thrust vectoring force and moment are set up. then, the nonlinear motion equations of aircraft with three axes of thrust vectoring are deduced

    本文主要針對推力矢量飛機非線性飛行控制的理論和應用問題進行了一定的探索和研究，進行的主要工作有： 1 、研究了推力矢量在飛機上的應用背景和收益，分析了現有推力矢量噴管的主要形式和特點，給出了推力矢量力、力矩的數學模型，並在此基礎上推導了帶三軸推力矢量飛機的非線性運動方程，為控制律的設計奠定基礎。
  16. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  17. Talk about how to use the virtual work principle to solve the relative problems of electrostatics, show it ' s simple, direct and convenient to use virtual work principle in working out electric field intensity, electric field force, moment of force

    舉例討論了應用虛功原理求解靜電學有關問題的具體做法，說明在求解電場強度、電場力、力矩等矢量時，應用該原理確實簡捷、方便。
  18. For researching the flight test techniques of thrust vector controlled aircraft, dynamic models of thrust vector controlled aircraft were established, four post stall maneuver control laws were designed with the dynamic inverse method, tested and investigated according to a standard evaluation maneuver set ( stems )

    摘要為研究推力矢量飛機的試飛技術，建立了推力矢量飛機的動力學模型，用動態逆方法設計了4種過失速機動控制律，並在地面飛行模擬器上參考標準評估機動動作集（ stems ）進行了飛行模擬試驗研究。
  19. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能參數，如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓比、面積比以及幾何偏轉角之間的關系數據，並利用函數逼近理論建立了矢量噴管的動態數學模型。
  20. The dynamical modeling methods of serial or paralle marchines usually include the vector mechanics method whose representative is newton - eula equation, the analysis mechanics method whose representative is lagrange equation, and the kine method which has both excellences of vector mechanics and analysis mechanics

    機械多體系統動力學的建模方法通常有以牛頓? ?歐拉方程為代表的矢量力學方法；以拉格朗日方程為代表的分析力學方法；和兼有矢量力學和分析力學優點的凱恩方法。
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