variational parameter 中文意思是什麼
variational parameter
解釋
變分參數- variational : 變化的
- parameter : n. 1. 【數學】參數，變數；參詞；參項。2. 【物理學】參量；（結晶體的）標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
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The variational parameter multiplying each coordinate is called a scale factor.
每個坐標所乘的變分參數叫定標因子。 -
4. the algorithm solving an optimal control problem governed by a semilinear parabolic equation with the control in the coefficients and source term is studied. the strong variational method which presented by mayne to solve the optimal control of lump parameter system is developed to semilinear parabolic optimal control problem
4 、把由mayne等所提出的用於求解集中參數系統最優控制的強變分法，推廣應用於一類控制變量含于高階導數項系數與源項中半線性拋物型系統最優控制之中。 -
Mathematical model of shaping noncircular gears has been deduced. noncircular gear machining simulation has been realized in condition of variational multi - parameter by programming. feasibility of machining n oncircular gear can be judged through simulation outcome and theory foundation for practical manufacture has been provided
推導了非圓齒輪插齒加工的數學模型，通過編程實現了多參數可變的非圓齒輪加工過程模擬，由模擬結果可直接判斷所設計齒輪的加工性，為實際生產提供了理論依據。 -
This paper emphatically researched the problem how to calculate the intersection point between workpiece that rotated with variational angle velocity and milling cutter that moved with complicated track and rotated with high speed. furthermore it adopted the discrete curve surface method for every milling cutter, and treated image frame as the control parameter of position of milling cutter during the intersection calculation process, so the algorithm of intersection between workpiece and milling cutter was obtained. the paper also discussed further three - dimension graphic problem of manufacture process
文中對做變角速度運動的工件和運動軌跡復雜的高速自轉中的銑刀求交問題進行了重點研究，採用將銑刀上的每個刀尖劃出的曲面離散化的方法，以圖像顯示的幀數作為求交計算過程的銑刀位置的控制參量，得出了銑刀與工件的求交演算法。 -
One is, based on answering the above open problem on a finite dimensional euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable - parameter three - step iterative algorithms for generalized set - valued variational inclusion problems by using - resolvent operator of set - valued mapping. two is to consider the convexity, closedness and boundedness of the solution set of general set - valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. three is to discuss directly the existence of solutions by using analytical methods for set - valued mixed quasi - variational - like inequalities and suggest a class of direct variable - parameter three - step iterative algorithms for solving generalized set - valued variational inclusions
研究分有三個方面：一是藉助于偏序理論在有限維歐氏空間中解決了上述公開問題，在此基礎上利用集值映射的-預解運算元，研究了廣義集值變分包含問題解的存在性、逼近解的全局誤差界、參數唯一解的靈敏性，並提出了一類變參數三步迭代演算法；二是藉助于圖收斂理論研究了一般集值變分包含問題解集的凸性、閉性和有界性以及參數解集的靈敏性；三是用分析的方法直接討論了集值混合擬類變分不等式問題解的存在性並提出了一類求解廣義集值變分包含問題的直接變參數三步迭代演算法。 -
The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation, a new type of viscoelastic incremental finite element method is presented. in this method, incremental arithmetic is applied to solving the hereditary integrals. it needs less memory space, has simple parameter matrix, and calculates stiffness matrix only once
主要研究內容如下：從herrmann變分原理出發，基於適用於近似不可壓縮材料的粘彈性本構關系，利用增量法處理遺傳積分，發展了一種粘彈性增量有限元方法，所需存儲空間較少，參數矩陣形式簡單，求解過程只需要形成一次剛度矩陣，適用於藥柱的結構計算，奠定了確定性分析基礎。 -
According to the analysis of simulation curves and the contrast between pid controller with disturbance feedforward compensation and fuzzy controller, it can be concluded that the new method of control not only has better robustness to the disturbance and varying parameter, but also has quick response and simple realization applying to the system with strict demand on the range of export parameter under variational condition
通過對模擬曲線的分析並與干擾前饋pid控制及模糊控制相比較，可以看出這種新的演算法對干擾及參數攝動的魯棒性強、響應快速且實現簡單，尤其適用於工程上在變工況情況下對輸出參數變化范圍要求較高的系統。 -
In view of the shape character of fw core, we should analyse the fw contrail subsectionly. certainly, the demarcation points must be considered to link them up through uniting the 3 - d coordinate and making the central angle 9 to be variational parameter
由於fw運動方程是一組分段函數，為了表達fw線型的連續性，必須考慮分段點的銜接問題，統一x 、 y 、 z三維坐標的參照系。 -
Alpha eigenvalue is an characteristic parameter in neutron chain reaction physics. it describes the variational velocity of neutron flux along with time
本徵值是中子鏈式反應物理中表徵系統動態性質的一個重要特徵量，描述中子通量密度隨時間按指數規律變化的快慢。
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