moment equation 中文意思是什麼

moment equation 解釋
矩的等式
  • moment : n 1 一轉眼功夫 片刻 瞬息 剎那;時刻。2 時機 機會;場合;危機;當前。3 重要 緊要;【哲學】要素 契...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. The moment map of this twisted cotangent sun ( t ) bundle is matched to the d - equation with fayet - illiopoulos source term, so the dynamics of the noncommutative solitons becomes that of the brane

    我們由此扭曲的su _ n ( t )餘切叢的momentmap給出了有fayt - illiopoulos源的d -方程,由此非對易孤立子的動力學就變成brane的動力學。
  2. Furthermore, in the noncommutative chern - simons theory for the quantum hall effect, the constrain equation with quasiparticle source is also identified with the moment map eqaution of the noncommutative sun ( t ) cotangent bundle with marked points

    而且,在量子hall效應的非對易陳- simons理論里,具有準粒子源的約束方程也與具有marked點的非對易su _ n ( t )餘切叢的momentmap方程相同。
  3. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  4. In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

    本文根據彈性薄板理論,導出了雙向空腹板的平衡微分方程,並通過理論計算和通用有限元程序ansys結果對比,驗證了其正確性;通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較,本文提出:雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算,完全能滿足工程精度要求。
  5. Therefore, the theoretical definition of cip and its dynamical equation on wobble and precession - nutation are given. considering precession - nutation moment up to 5

    由此對cip軸進行了理論定義,並給出了其極移歲差章動的動力學方程。
  6. The convert and evolution course of periodical response, quasi - periodical response, double - periodical bifurcation, chaos of the system response is analyzed. ( 3 ). it is deduced that the general differential equation of bending - torsional - pendular coupling vibration about rotor with the gyroscopic moment

    ( 3 )推導了一般意義下,考慮陀螺力矩的單盤轉子彎扭擺耦合振動非線性方程,基於該方程,推出了不平衡轉子和碰摩轉子的非線性彎扭擺耦合振動方程。
  7. By means of the analysis on motion equation of simple pendulum, a method for testing the moment of inertia of a complex shaped rigid - body moving around a fixed axle under the condition of not knowing the barycentric position of the object was obtained

    摘要通過對單擺運動方程的分析,得到了未知物體質心位置條件下測試復雜形狀剛體繞定軸轉動慣量的方法。
  8. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變截面格構式構件的穩定性計算進行了初步的研究,通過建立變截面構件臨界狀態下彎曲變形的微分方程,根據變形邊界條件,得到了兩端鉸支的變截面梁失穩特徵方程,提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。
  9. Chapter 4 : there are a summary of two methods used in this thesis, together with the further work, a introduction of vlasov equation and its moment equations, i. e., the continuity equation, the force equation and the pressure equation, and the ionization and recombination associated with the laser propagation in media

    第四章:本章主要是在總結了兩種方法的基礎上提出進一步可以做的工作,介紹了等離子體動力論中的vlasov方程及它的三個矩方程(連續性方程、力方程和壓強方程) ,以及強激光在介質中傳輸涉及到的電離和復合機制。
  10. Analyze the rectangular microstrip patch array using green functions method, resolve the integral equation by the method of moment, propose a method for resolving the mom impedance matrix, which is a combine of analytical method and numerical method

    用矩量法計算了同軸饋電的矩形微帶貼片陣列的電流分佈,在求解廣義阻抗矩陣時,給出了一種解析方法與數值方法相結合的方法。
  11. For the ten years of late, the cellular automata has made the new progress in hydy nimiee dynamices. by gaining the moment equations from lattice boltzmann equation and using chapman - enskog expansion, the fluid dynamices equation and energy equation of 13 - bit lattice gas automata model with polyvelocity have been deduced. the validity of the model using for non - isothermal fluid dynamics has been proved

    近十年來,細胞自動機已在流體力學的研究中取得了進展,應用13 - bit多速格子氣自動機模型,在由格子boltzmann方程求得矩方程的基礎上,根據chapman - enskog展開方法,導出了該模型的宏觀熱流體力學方程,從理論上證明了所建模型對熱流體力學問題描述的正確性。
  12. Moment gyroscope is implement institution of the satellite attitude control system. the dynamics equation of single gimbal control moment gyroscope is set up, the control law of moment gycroscope is designed and the distribute matrix is confirmed reasonly

    選擇力矩陀螺作為該衛星控制系統的執行機構,建立單框力矩陀螺的動力學方程,在此基礎上進行力矩陀螺控制律設計,合理地確定力矩陀螺的分配矩陣。
  13. The differential equation of pump station start - up transient is established and derived from discharge balance and moment equation of pump unit

    摘要本文從水量平衡及水泵機組力矩方程出發,建立起水泵從起動到同步的微分方程式。
  14. It has a long history using a throttle device to measure the flow volume of fluid in pipe the method has formed normalization at home and abroad the principle is to make the flow bunch form the particial shrink at the place where the throttle part is located so as to produce a static pressure difference then measure and calculate the flow volume at the moment when the fluid is flowing through the throttle device by the static pressure measured this method is based on the law of conservation of energy and the equation of flow continuity

    用節流裝置測量管道中流體流量已歷史悠久,在國內、國際上都已標準化,其原理是使流束在節流件處形成局部收縮,產生靜壓力差,通過測量靜壓力差來衡量流體流過節流裝置時的流量大小,這種測量方法是以能量守恆定律和流動連續性方程為基礎的。
  15. In the case of thin slot, taking the effect of wall thickness into account, the coupler is analyzed with the slots replaced by equivalence magnetic current using the equivalence principle. the integral equation system is fonned and calculated by the moment method

    對于細長縫隙的情況,考慮了波導壁厚,利用等效原理將縫隙等效為磁流源在主波導和耦合波導中的作用,根據電磁場連續性條件建立積分方程,並用矩量法求解,進而求出耦合器的散射參數。
  16. Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy

    然後採用模擬模擬方法獲得大量的雷達測量值,由計算機軟體產生大量的隨機數,加入雷達測量值中,用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數,再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點,最後統計出跟蹤系統的隨機誤差,分析定位精度。
  17. On the base of the kinematics modeling and lagrange dynamics equation, the mathematical modeling is set up to dynamics of the robot. by using this method, the driving moment needed by every joint is easy to be calculated, based on which dynamics analysis can be done and motor can be selected

    在運動學建模的基礎上,基於拉格朗日動力學方程進行機器人的動力學建模,該建模方法可以方便地分析各關節所需的驅動力矩,作為動力學分析和機器人電機選型的依據。
  18. Through establishing three mathematics models including the movement equation of the mechanical and electrical transmission system, the control of the load and the sliding in stable status, direct - current - brake of ac motor, this paper ascertained the range of the frequency value of drive motor and the efficiency of transmission system, calculated the efficiency of load motor in stable status and the moment of load motor in braking. this paper completed the design of the mechanical part of inertia brake test platform and provides a tool for the measurement of the inertia brake parameters

    本文還通過建立慣性制動器試驗臺的包括機電傳動系統的運動方程、穩態運行時負載與轉差率控制、交流電動機直流制動在內的三個數學模型,確定驅動電機的頻率取值范圍和傳動系統的傳動效率,驗算慣性制動器穩態運行時負載電機軸功率和慣性制動器制動時負載電機軸力矩,完成慣性制動器試驗臺設計中的機械部分,為慣性制動器各參數的測量提供工具。
  19. Three - moment equation

    三彎矩方程
  20. Three moment equation

    三彎矩方程
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