場方程 的英文怎麼說

中文拼音 [chǎngfāngchéng]
場方程 英文
field equation
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  1. Using the lagrangian at a finite temperature of the scalar field which can generate global cosmic string in the spontaneous breakdown, solved the gravitational field equation outside the core of a global cosmic string at the background of temperature, corrected the result in the theory at zero temperature. on the basis of this, the properties of the gravitational field outside the core of a global cosmic string are discussed

    考慮溫度效應,運用改寫的能自發破缺產生整體宇宙弦的標量在有限溫度下的拉氏密度,求解了整體宇宙弦核外的引力場方程,對零溫理論中的結果作了修正,進而討論弦核外引力的性質
  2. Maxwell's field equations described this measurable disturbance of the medium without explicitly discussing the ether itself.

    麥克斯韋電磁場方程描寫了媒質的這種可測量的擾動,而不去詳細討論以太本身。
  3. Abstract : based on the gauge theory of various interactions, some new solutions of the gauge field equations are discussed, the potential is introduced, and the relations among the results and limit cycle, various singular points are derived. finally, it is expounded that these results possess probably physical meaning on the property and phase transition of particles

    文摘:從各種相互作用的規范理論出發,討論了規范場方程的某些新的解,並引入了勢,然後探討了它們與極限環、各種奇異點的關系,最後論述了這些結果可能具有的粒子性質和相變等物理意義
  4. Equations of gravitational field

    引力場方程
  5. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射的光子數密度分佈,得出激光的光子統計分佈,模擬激光的動態建立過
  6. Based on the maxwell ' s equations, the one - dimensional foil conductor ' s current density distribution equals the sum of the independent skin effect and the proximity effect current density distributions, and the one - dimensional foil conductor ' s loss equals the sum of the independent skin effect and the proximity effect losses

    本文從maxwell電磁場方程出發對一層薄銅箔的趨膚和鄰近損耗進行了研究,得出銅箔的總損耗是趨膚和鄰近效應單獨起作用產生的損耗的和。
  7. Since the linear or nonlinear electromagnetic field equations can be written as an infinite - dimensional hamiltonian system, whose solution can be viewed as a hamiltonian flow in the phase space which preserves the symplectic structure in the time direction. such important features should not be neglected during the construction of numerical methods for the field equations

    由於線性或非線性的電磁場方程可以轉化成無限維的hamilton系統,其結果可以看作是定義在相空間里的時間上保持辛結構的hamilton流,因而在對場方程構造數值演算法時就不應忽略這樣重要的性質。
  8. First, we give a brief review of instanton theory of 1 + 1 dimension. then we obtain the instantons in 4 - field model of 2 + 1 dimension

    文章首先回顧了1 + 1維~ 4和sine - gordon場方程靜態瞬子的相關理論,討論了靜態瞬子的能量密度、及其穩定性。
  9. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各向異性分子磁體形成的理想無界膜,在強各向異性極限下,採用半經典近似法,將磁化矢量的時空運動約化為2 + 1維sine - gordon場方程,從而得到各類疇結構。
  10. Various flow mechanisms and interactions between electromagnetic field and high temperature ionized gas were covered in the fluid dynamic and electromagnetic equations, and various impact reactions were taken into account in the chemical dynamics model

    流體力學組和電磁場方程考慮了多種流動機理及電磁與高溫電離氣體的相互作用,化學動力學模型考慮了各種碰撞反應。
  11. Firtly, the laser envelope equation and the walefeild equation are derived from maxwell ' s equations and the hydrodynamic equations for the relativistic cold electron fluid

    首先從maxwell組出發,推導出激光傳輸和尾波場方程
  12. With the aid of computer algebra system maple, the nonlinear algebra equations corresponding to the nonlinear coupled scalar field equations can be successfully solved this way, and eventually many exact solutions to it can be obtained

    用這種辦法在計算機代數系統maple上成功地求解了非線性耦合標量場方程組所對應的非線性代數組,最終獲得了耦合標量場方程組的眾多精確解。
  13. As mentioned in above, the boundary condition of ridge waveguide is quite complex, so to solve the field equations directly is very tedious and complicate

    鑒于脊波導的廣泛使用,本課題的研究很有實際意義。脊波導的邊界條件比較復雜,直接求解場方程非常冗長、繁瑣。
  14. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利用有限元離散( galerkin )法將控制在幾何域上離散,並用差分法得到時間域上的離散,並在此基礎上,編制了相應的計算機源序;有限元求解中,為減小邊界效應的影響,在計算中採取粗細網格結合的法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  15. Abstract : with adopting of a frame of the principal fibre bundle. the article constructs a unified model of gravity and electromagnetic with torsion both in internal sp ace and in four - demensional space - time. the curvature on the bunde is calcula ted using connection theory in the principle fibre bundle. the action is construc tod with the curvature. the field equations are achieved. finally a discussion is made

    文摘:應用纖維叢理論,在內部空間和四維時空引入撓率,建立了引力與電磁的統一模型.利用纖維叢聯絡論求出主叢的標曲率,由它構造作用量,求得場方程,最後作一些討論
  16. By establishing the direct mapping from the state set to the action set, the planning efficiency is improved. the learning converges to the optimal control strategy. the simulation result shows that the control strategy is optimized and the control performance is improved

    同基於傳統人工勢法相比,此法避免了不合理勢場方程所引起的局部極小值問題,而且通過學習得到的策略,可以得到從任意起始位置開始的最優路徑。
  17. Regarding the discrete magnetic vector potential and loop currents as the state variables, and combining the fem with the multi - loop method, a mathematical model of the synchronous machine with internal faults is set up in this paper

    本文以矢量磁位和迴路電流為求解變量,把電機的電磁場方程與反映繞組聯接情況的電路聯立起來同時求解,提出了同步發電機定子繞組內部故障的瞬態電磁與多迴路耦合的數學模型。
  18. The mathematical model of non - linear transient magnetic field excited by voltage source is established in this paper. it coupled with electric circuit equation and mechanical motion equation, could solve the transient problem excited by voltage source, and the effect of the eddy currents, non - linearity in magnetic materials and mechanical motion of medium is taken into account

    文中建立了電壓源激磁下的非線性瞬態磁的數學模型,通過把瞬態磁場方程、電路及機械運動耦合在一起,得出求解電壓源激磁下,考慮鐵磁材料的非線性、導電媒質的渦流及媒質機械運動等條件下的瞬態過問題。
  19. With the finite - difference method, self - consistent solutions for the possion ' s equation, injected current density, carrier concentration, optical field and thermal conduction equations have been realized to study the thermal - field properties, the coupling of electricity, thermal and optical - fields, and the influences of n - dbr and double oxide - confining regions on the characteristics of vcsels

    本文建立了一個直接耦合的準三維理論模型,通過有限差分法求解泊松、載流子擴散、熱傳導和光場方程的自洽解,研究了vcsel的熱分佈特性,並實現了電、熱和光的耦合,同時考慮了n - dbr及雙氧化限制層對vcsel特性的影響。
  20. Full quanta theory was used in analysis the working principle of laser, educed the photon states of single pattern radiate in two energy - step system, and simulated the establishment of laser mode and statistical distribute of photon. according to elf consistent equations of rlg ; build the simulated program with labwindows / cvi and do some simulation experiments, the result of simulation matched the theory perfect perfectly and conform to the experiments, the locked - in and pattern competition coursed the periodic light intensity

    在激光陀螺自洽場方程組的基礎上,運用labwindows / cvi軟體建立了靈活便的激光陀螺模擬平臺,並進行模擬試驗,模擬試驗結果與理論分析很好的相符合,且能夠較好地說明陀螺試驗現象,即在閉鎖閾值附近,由於閉鎖效應和模競爭相互影響,使得激光腔中兩行波相互關聯,光強差隨時間呈周期性變化。
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