標量方程 的英文怎麼說

中文拼音 [biāoliángfāngchéng]
標量方程 英文
scalar equation
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  1. The complex nonlinear pursuit - evasion model of two spacecraft in near - earth coplanar orbit is simplified to linear model, the circular region the radius of which is equal to capture radius is defined as target set, capture is achieved when the evader come into the target set and the game is over ; the boundary of useable part ( bup ) is determined, and the analytical form solution of the linear equations is obtained by backward integration of the state variables from the bup, the linear barrier of the pursuit - evasion model and the optimum thrust of the both sides are thus obtained

    本文將近地共面軌道內運動的兩飛行器非線性追逃模型簡化為線性模型，以捕獲半徑的圓域定為目標集，確定目標集邊界上的可用部分，並以此為各狀態變量的起點，對時間進行倒向積分，求得線性方程組的解析解，從而確定了該追逃模型的線性界柵，以及界柵上對策雙方的最優推力，即求得了滿足最優策略時相對運動的軌跡和推力。
  2. This proves that any tensor equation which holds true in one reference frame is also true in any other frame.

    這證明了在一個參照標架中成立的任一張量方程，在另一參照標架中也成立。
  3. Because geometry of formation of two satellites is very weak, the solution covariance is very big and unstable in order to resolve this problem, the measurement model was transformed from cartesian coordinate system to sphere coordinate system

    由於雙星編隊星座觀測的幾何結構弱，所以解算參數的協方差不穩定。為了解決這一問題，對測量方程進行球坐標變換。
  4. Standard test method for calculated cetane index by four variable equation

    用四變量方程計算十六烷指數的標準試驗方法
  5. Acoustic intensity detection can efficiently estimate objective direction, and frequence partition, beam revolving and vector equations can differentiate multi - object

    聲強檢測可以有效地進行目標方位估計，利用頻帶劃分、旋轉波束、矢量方程組可以在一定程度上有效地解決多目標干擾的問題。
  6. Non - axisymmetric problem : two independent sets of the state vector equations are derived from its governing equations in a cylindrical coordinate system by introducing a set of auxiliary variables

    層狀壓電壓磁彈性材料的空間非軸對稱問題：在柱坐標下，通過引入一組輔助變量，從它的控制方程推導出兩組相互獨立的狀態變量方程。
  7. Abstract : based on flow - varying characteristics of thixotropic casting semisolid alloys, the flowing state of the semisolid alloy under the procedures as filling up the mould by means of thixotropic casting being performed, is simplified to the flow which features in an equal temperature layers

    文摘:根據觸變鑄造固態合金的流變特性，將半固態合金在觸變鑄造充型過程的流動簡化為均相等溫層流流動，並在此基礎上建立了連續方程、動量方程和守恆標量方程，開發了適用於半固態合金觸變鑄造充型過程的數值模擬系統。
  8. We practically applied the wnnd scheme to solve scalar conservation laws and euler system in one dimension and n - s equations in two and three dimensions. the numerical results of wnnd schemes indicated good shock transitions without any noticeable oscillations and uniformly high accuracy in smooth regions. the wnnd scheme could catch the detail o f the flow field more particularly

    本文應用wnnd格式數值模擬求解了一維標量方程、一維歐拉方程、二維n ? s方程和三維n ? s方程，數值結果表明， wnnd格式在激波附近基本無波動，且在解的光滑區保持空間的統一高階精度，較之nnd格式， wnnd格式能夠更高解析度的捕捉到流場細節。
  9. Numerical simulation is a very important aspect for this research, in which the main task is to solve the system of radiation hydrodynamic equations, especially, we usually do this task using lagrangian coordinates, and in this case the numerical treatment of three - temperature energy equations is a main difficulty

    數值模擬是這項研究的非常重要的手段，其核心內容是求解輻射流體力學方程組，而其中三溫能量方程的數值處理又是在lagrange坐標下求解輻射流體力學方程組的主要難點之一。
  10. Applying the energy equation and boundary layer theory, this article also analyzed the relationship of energy transformation of overflow, and obtained the experience index and formula of instability critical conditions

    並應用水流能量方程和邊界層理淪，研究了圍堰過水時的水流能量轉換關系，得到了穩臨界條件的指標和經驗判別式。
  11. Combining the simplified momentum equation, energy equation and state equation of compressible sticky fluid, this paper establishes the numerical model to study the heat - transfer property of the substances in super - critical waterwall tubes with the newest international water and steam standard - iapws - 97

    本文採用最新的國際水與水蒸汽標準iapws - 97 ，通過聯立求解簡化的可壓縮黏性流體的動量方程、能量方程和水與水蒸汽的狀態方程，建立數值模型研究超臨界水冷壁管內工質的傳熱特性。
  12. For spatial, ideal elasto - plastic girder - pane structure system, using the stochastic finite element method, the static response of structural system is analyzed. taking redistribution of internal forces into account, safety margin functions of failure modes are established. using the advanced branch - and - bound method, the significant failure modes are identified, and the reliability of structural system is evaluated by pnet method

    對空間理想彈塑性梁板體系結構，採用隨機有限元計算結構系統的響應量；考慮內力重新分配，建立失效模式的安全余量方程，用驗算點法計算失效模式安全余量的可靠性指標；用改進的分枝限界法，尋找主要失效模式：然後用pnet法計算結構系統的可靠性指標（或失效概率） 。
  13. A general class of solutions to nonlinear scalar equations with static cylindrical symmetry is obtained in the form of a hyperbolic function series. these solutions can be used to describe a long. straight global string

    利用雙曲函數級數的技術，研究了靜態軸對稱非線性標量方程的解析解.在物理上.這些解描述了無限長的直整體弦
  14. We prove the existence of a new kind of solutions for the scalar curvature equation in r ( superscript n )

    摘要我們證明在r （上標n ）上純量方程某種新解的存在性。
  15. ( 2 ) a method of regarding the target speed constraints as additional measures and addsing it to measure equation is presented, the constraints intensity is decided by noise variance. it can improve the location precision of the modified gain extended kalman filter

    2給出一種把運動目標（敵艦艇）的航速約束當作增加的測量值加入到測量方程的方法，約束的強度由約束條件的噪聲方差確定，可提高修正增益推廣卡爾曼濾波定位演算法的定位精度。
  16. Secondly, aiming at measurement being only from one satellite and the ekf being not stable, the measure equation is improved. transforming the form of angle measurements by the imaging theory, linearization of measure equation is realized by fake data of measurement. parameter of ballistic missile trajectory is estimated by using ekf, and the simulation shows that the unstabilization problem of ekf with true measurements is solved by using ekf with fake measurements

    在僅有一顆預警衛星能夠觀測到目標的情況下，針對擴展卡爾曼濾波不穩定的問題，對觀測方程進行改進，利用光學成像系統的原理，將測量量進行變換，並利用新生成的偽測量量使測量方程線性化，再利用擴展卡爾曼濾波演算法對目標的彈道參數進行估計，最後，通過數學模擬來證明利用偽測量量的擴展卡爾曼濾波解決了單顆衛星觀測時利用真實測量量的擴展卡爾曼濾波不穩定的問題。
  17. Our results can be reduced to those for two - species system. at the same time, our results not only can be reduced to those for the scalar equation when there is no coupling, but also improve and complement some in the literature

    我們的結果可以推得二維系統的相應的結果；同時，我們的結果可以推得當耦合消失時標量方程的結果，而且改進和彌補了其不足。
  18. Based on the time difference of arrival in time range and the direction of arrival of the emitter in space range, passive localization by single station is practicable, and also the localization of maneuvering target is practicable with the mgekf algorithm

    在建立目標機動模型與測量方程的基礎上，運用修正增益擴展卡爾曼濾波（ mgekf ）演算法，實現對機動目標進行定位與跟蹤。
  19. Based on flow - varying characteristics of thixotropic casting semisolid alloys, the flowing state of the semisolid alloy under the procedures as filling up the mould by means of thixotropic casting being performed, is simplified to the flow which features in an equal temperature layers

    根據觸變鑄造固態合金的流變特性，將半固態合金在觸變鑄造充型過程的流動簡化為均相等溫層流流動，並在此基礎上建立了連續方程、動量方程和守恆標量方程，開發了適用於半固態合金觸變鑄造充型過程的數值模擬系統。
  20. Two interactive segmentation methods, snake ( active contour ) and live wire, which are very popular, have been introduced for the medical image segmentation. a snake is a spline curve, which is controlled by an energy equation. to minimize the snake ' s total energy, the finite difference and greedy algorithm have been implemented

    論文引入了snake和livewire兩種十分流行的醫學圖像交互分割方法，詳細推導snake的能量方程，實現了最小化能量方程的有限差分和greedy兩種演算法，並利用鄰近圖像的相似性，將其成功應用於圖像序列的分割； livewire是一種象素級的輪廓搜索演算法，它在方向圖中找到開始點和目標點之間的最小代價路徑。
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