equation of moment 中文意思是什麼
equation of moment
解釋
力矩方程式-
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
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。 -
The material ways are to model the honeycomb wall as an impredence surface, to express the infinite honeycomb by using periodic green ' s function, and using method of moment to establish the mathematic model, in applying the methods of moments, we choose the roof function as basic function and choose the razor function as test function ; by equating the incident field to sum of the scattering field and impledance field ; we will set up the integral equation for the surface current, solving it by mom equation. then gain it ' s reflected coefficient ' s numerical result. and we propose first the definition of the equivalent electromagnetic parameters and present a method to calculate them from the gained reflection coefficient
具體方法就是將浸漬吸收劑的蜂窩壁用表面阻抗表示，將無限大的周期結構的電場用周期格林函數來表示，選取有耗蜂窩結構中具有代表性的基本計算單元應用矩量法建立數學模型，在運用矩量法時用屋頂函數作為基函數，刀片函數作為檢驗函數，根據蜂窩壁表面電場必須滿足入射電場等於散射電場和阻抗電場之和的規律，推導表面電場積分方程，求解蜂窩結構的表面電流，利用蜂窩的周期規律得到無限大均勻周期陣列的散射電場。 -
In present dissertation, firstly an analytical study on the force and deformation of an er single chain under poiseuille flow is presented from the point of microscopic view. an approximate solution of the poiseuille flow in a tube with rectangular cross is derived from galerkin approach. the balance equation of moment for the er chain is established to avoid using point - dipole model, which is not accurate enough in the case that dielectric particles are adjacent to each other
本文首先從微觀的角度，分析電流變鏈在poiseuille流動中的受力以及變形，分析過程中推導了矩形截面管內poiseuille流動速度分佈的galerkin近似解，並採用理論力學軟索模型對電流變變鏈的受力進行分析，從而避免了點偶極子近似在粒子相距較近情況下引起的誤差。 -
In chapter 2, the method of moment ( mom ) and the electric field integral equation ( efie ) are introduced respectively
第二章介紹了矩量法和電場積分方程。採用分域基函數法求解基於全等效電流的電場積分方程。 -
The multi rigid - body mechanism model of bionic kangaroo - leaping robot was abstracted ; taking this as a base and applying the kane method to establish the dynamics equation of bionic kangaroo - leaping mechanism, and gives out the computation formulae of driving moment of each join in the kinematical course of kangaroo leaping robot
摘要抽象了仿袋鼠跳躍機器人多剛體機構模型，在此基礎上，應用凱恩方法建立了仿袋鼠跳躍機構動力學方程，給出了袋鼠跳躍機器人運動過程各關節的驅動力矩的計算公式。 -
Because the oil well pump belongs to a simplex reciprocating pump, the most authentic adolph ' s differentical equation of movement of the reciprocating pump valve can be used to reserch the movement of oil well pump valve, but it is well known that this differential equation is singular at the moment when the raising height of the pump valve is zero
由於抽油泵屬于單缸單作用往復泵，因此可以將目前較權威的阿道爾夫往復泵泵閥運動微分方程用於研究抽油泵泵閥的運動規律，但阿道爾夫泵閥運動微分方程在泵閥開啟初期存在奇點問題。 -
We consider a neutral particle with magnetic moment antiparallel to the field. with the interaction potential energy between the magnetic moment of the particle and the magnetic field, we obtain the classical motion equation of the neutral particles in the loffe trap. in some limit conditions, by using the perturbative method, the equations may take on concise forms. of which the two equations about x and y are mathieu equations. if we properly set the parameters and have the condition a > > q > 0, we can solve the mathieu equation with the traditional wkbj method. as a new attemptation, with fourier series expansion we solve the mathieu equation and obtain the classical motion law of the neutral particles
若阱的參數設置使得條件> > q 0成立時，我們可以利用傳統的wkbj方法近似求解馬丟方程。作為一種新的嘗試，本文還採用傅立葉級數展開的辦法來對馬丟方程進行求解，從而得到中性粒子在阱中的經典運動規律。在研究ioffe阱對中性粒子的囚禁問題時，實際上我們更感興趣的是馬丟方程的周期解，而要想獲得這種周期解，和q必須滿足一定的關系，亦即必須選擇阱的特定的參數和粒子的特定初始條件，對這一問題我們進行了嘗試性的研究。
分享友人