共軛變量 的英文怎麼說

中文拼音 [gòngèbiànliáng]
共軛變量 英文
conjugate variables
  • : 共動詞[書面語]1. (圍繞) surround2. (兩手合圍) span with the hand
  • : 名詞(牲口拉東西時架在脖子上的器具) yoke
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. The governing equations of the problem are derived in hamiltonian form by using variable substitution and variational principle. then the methods of separation of variables and conjugate symplectic eigenfunction expansion are developed to solve the equations of plate bending problem. the result can be derived by analytical method

    在平面彈性問題中,由代換及分原理,方程可導向哈密頓體系,從而通過分離法及辛本徵函數向展開法,以解析的方法來進行求解。
  2. Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,

    具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放qw為控制,以曝氣池中有機物濃度s和微生物濃度x為狀態的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有約束條件多能耗最小數學模型,該數學模型是以有機物排放總和狀態的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元,應用具有控制約束的梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。
  3. The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence

    在此基礎上,論文提出了基於位相編碼振幅調制的畸多目標識別聯合換相關技術,即通過改隨機位相模板的調制因子的大小來改善相關輸出的性能,一步消除了相關項、輸入待識別圖像之間的互相關項,並大大降低了零級相關峰的能和寬度。
  4. At first the paper begin to study the foundation of digital curved face and space meshing principle, introduce the basic knowledge of curve theory and curved face theory, explain the mathematical tools of vector turning and coordinate conversion in the paper ; analyse the motion and relative motion of rigid body, provide the condition of gear driving continuous contact and equation of conjugate meshing

    論文首先從參數化曲面和空間嚙合原理基礎出發,介紹了曲線論和曲面論的基本知識,對課題研究重的數學工具矢回轉和坐標換進行了說明;分析了剛體的運動和相對運動,根據空間嚙合原理給出了輪齒傳動連續接觸的條件和條件方程。
  5. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    ( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不和2d射影換,實現了一定條件下的對稱性目標的形狀恢復技術。
  6. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計,在優化的軸流透平子午通道內,建立包括透平級內所有性能參的最優流型命題的完整的物理模型及其數學表達式,並歸化為一個在給定初始狀態、自終端固定、部分狀態終端受有約束的條件下,使級的某一性能指標(如級的功率)達到最優的最優控制問題,應用「代價函數法」及「梯度法」編制計算程序,計算得到符合給定約束條件、並使目標函數取極值的最優環分佈,結果是令人滿意的。
  7. Contents of - farnesene and conjugated trienes in apple superficial scald and their relation with storage temperature

    法尼烯和三烯含化與貯藏溫度的關系
  8. At last with the prototype of the vertical - axis cycloid turbine, the optimal method and its mathematical model based on conjugate gradient method are presented in order to enhance the energy conversion coefficient. such optimal results as the energy conversion and the relation between attack angle and azimuth angle are given with particular analysis to sum up the reason of the improved performance of the turbine

    最後以豎軸直葉擺線式水輪機為優化原型,提出了一種水輪機水動力性能的優化計算方法,建立了數學模型,運用梯度法進行優化設計,以提高水輪機的能利用率為目標,給出了優化的葉片攻角化規律、能利用率結果,探討了能利用率提高的原因。
  9. As a kind of topological conjugate invariant, the topologic entropy can perfectly describe complex behavior of dynamical system. therefore it plays a very important role in the study of dynamical system

    拓撲熵作為一種拓撲,它對動力系統的混亂程度有著極好的數描述,因此在動力系統的研究中占據著十分重要的位置。
  10. In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined

    在數值解法中,為了減少解決兩點邊值問題共軛變量帶來的困難,主要討論了將狀態和控制進行參數化的一種直接方法,這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制的直接優化方法,然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題,使得迭代初值更加容易選取。
  11. Canonically conjugate variable

    正則共軛變量
  12. Those variables for which it holds ( e. g., momentum and position, or energy and time ) are canonically conjugate variables in classical physics

    那些具有的(如動與位置,或能與時間)是經典力學里的正則共軛變量
  13. Taking the meshing theory of conjugate curved surface as a foundation, utilizing array method of rotation transformation of vector, the meshing equation and contour surface equation of conical cam mechanism with swinging conical roller follower were analyzed and derived, and the calculation formula of pressure angle and synthetic curvature of the mechanism was presented, thus laid a solid theoretical foundation for enhancing the machining accuracy of conical cam, improving its processing method and achieved the integration of cam cad / cam

    摘要以曲面嚙合理論為基礎,運用矢的旋轉換矩陣法,分析並推導了圓錐滾子擺動從動件圓錐凸輪機構的嚙合方程和廓面方程,並給出了機構的壓力角和綜合曲率的計算公式,為圓錐凸輪加工精度的提高,改進其加工方法,實現凸輪cad / cam一體化奠定了堅實的理論基礎。
  14. The control theory method only needs double time of the fluid field computation to obtain the global gradients, through solving the adjoint equations of the governing equations

    通過求解方程來得到目標函數對于設計的梯度,再利用所求的梯度進行優化設計,只需要花費兩倍求解流場的時間。
  15. ( 4 ) the special geometric restrictions like parallelism and perpendicularity implicated in vanishing elements are deeply studied. in single - view case, the theory is presented to interpret relationship between two planar lines by applying 3d invariants of vanishing points. in two - view case, the method on extraction vanishing point of an arbitrary sp atial line is described, and moreover, the theory is presented to interpret relationship between two elements in 3d space, such as two lines, two planes, line and plane, and so on

    ( 4 )詳細論述了消失元素(消失點、消失直線、消失平面等)所體現的垂直、平行等特殊幾何約束關系;對單視圖,提出了一種利用消失點列的3d不解釋平面直線關系的方法;對雙視圖,提出了利用自三角形和對極幾何約束,提取任意直線的消失點的演算法,並在此基礎了提出了一種利用消失元素的3d不解釋直線間、直線與平面間、平面間等多種空間幾何關系的方法。
  16. Conjugate dynamical variable

    力學
  17. The method has special obvious advantages to diagnosis the faults when several faults exist simultaneously. the paper constructs a three - layer forward neural network to diagnosis the fault and trains the network with characteristic eigenvectors extracted through the wavelet packet analysis, when training the net using the method of adding inertia item and the bp algorithm of conjugate gradient method, at the same time adapt the initial data of the network through the test

    同時,文中還構造了三層的前向神經網路,以小波包分析提取的故障特徵向作為網路的訓練樣本數據,採用加慣性因子、梯度法和迭代過程中改學習率的反向傳播演算法來對神經網路進行訓練,並採用試驗的方法調整神經網路的初始值。
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