函數目標表 的英文怎麼說

中文拼音 [hánshǔmùbiāobiǎo]
函數目標表 英文
function-object table
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 目 : Ⅰ名詞1 （眼睛） eye 2 （大項中再分的小項） item 3 [生物學] （把同一綱的生物按彼此相似的特徵分為幾...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  • 目標 : 1. （對象） target; objective 2. （目的） goal; aim; destination
  1. The objective function denotes revenue, profits or costs.

    該目標函數表示稅收，利潤或價值。
  2. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後，分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散，並在空間上採用rwg基函數，在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣，再運用mot法分別求解了介質體目標，金屬非金屬組合目標的時域積分方程，並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。
  3. The optimum balancing of a four bar linkage with elastic links is studied, in which the control torque of redundant drives is taken as the design variable, and the shaking force and shaking moment of the mechanism are taken as the objective. the numerical simulation shows validity of the method

    針對一平面彈性四連桿機構，以其震動力和震動力矩的加權和為目標函數，以冗餘驅動力矩為變量，對附加冗餘驅動的彈性機構進行最優平衡，其模擬結果表明該方法是有效的。
  4. Recognizing the cumbersome nature of the language - neutral dom constructs, jdom aims to use native java representations and objects, and provide convenience functions for common tasks

    由於認識到語言無關dom構造的棘手本質， jdom目標在於使用內嵌的java表示和對象，並且為常用任務提供便利的函數。
  5. The experiment shows mbid can produce the enhanced pressure field at hydrophone array, provide modal domain representation of pressure ( modal functions and horizontal wavenumbers ) and target ' s bearing ( plane waves ), and have good adaptive ability and robustness against mismatch

    實驗數據和模擬數據的結合驗證了模基辨識器不僅能夠產生增強的水聽器陣處的聲壓場表示，而且能夠輸出模域表示（模深度函數和水平波數）和目標的方位（平面波模型） ，也具有較好的自適應性及對失配的寬容性。
  6. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  7. Recently, a great progress has been made in aerodynamic optimization design technologies based on computational fluid dynamics. the control theory approach advocated by antony jameson is the typical methodology among them. its major advantage is that the computation of the sensitivity derivatives of cost function with respect to design variables is nearly independent of the number of design variables, which greatly saves the computational cost

    近年來，計算流體力學（ cfd ）設計技術得到較大發展，其中最有代表性方法是jameson發展的基於控制理論（伴隨方法）的氣動優化設計技術，其顯著優點是目標函數對設計變量的梯度計算幾乎與設計變量數目無關，從而大量節省了計算費用，並成為當前cfd領域的研究熱點。
  8. ( 3 ) by the optimization experiments on several kinds of standard test functions, the calculation of off - line performances and the comparisons to another optimization algorithm, the effectiveness and the superiority of iga are got. ( 4 ) multi - object strategy that consists of the joints " best compliance critic and the location critic is proposed to uniquely determine the inverse kinamatics solution in planar redundant manipulator trajectory planning. next, by the introdu

    3 、通過對兒類標準測試函數的優化實驗、優化離線性能的計算和與其他優化方法尋優效果的對比表明了的有效性和優越性； 4 、針對冗餘度機械手的軌跡規劃問題，提出了融合關節最佳柔順性準則和定位控制準則的多目標策略，從而在理論上保證了運動學逆解的唯一性。
  9. From the view of engineering economies, this paper get objective function of equipment selection for ice - storage system, and get the optimal equipment selection, in which introduce into uniform annuity and correction coefficient of designing date load

    摘要從工程經濟學角度，引進等額年金，設計日負荷修正系數，得出冰蓄冷空調系統設備選擇的目標函數，對各參數進行賦值，求得最佳的系統設備選擇，並用一個工程實例驗證，結果表明此數學模型是有效的。
  10. 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和活性污泥排放量qw為控制變量，以曝氣池中有機物濃度s和微生物濃度x為狀態變量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變量能耗最小數學模型，該數學模型是以有機物排放總量和狀態變量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共軛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。
  11. Firstly by virtue of matrix differential algorithm to find the error expression of platform and than let the maximum error to be acted as the objective function, besides the parametric errors of each structure, position and posture of the platform were being arranged into the optimized variables as well

    首先藉助矩陣微分法求出平臺誤差表達式，將最大誤差作為優化目標函數，除了各結構參數誤差外，還將平臺的位置和姿態列入優化變量。
  12. Firstly, since the behavior theory be used as a tools to analyses the profit manipulation, a clear explanation on the essence and character of profit manipulation and an objective function be put forwards. it is shortly - term and uncertain that profit manipulation has different expression which is being effected by different motions. the phenomenon of the profit manipulation is disappearing accompanied with a certain motive

    首先，首次採用行為理論作為利潤操縱的分析工具，深入闡述了利潤操縱的本質和現象，認為利潤操縱具有一定的短期性和不確定性，受不同的動機影響而有不同的表現，如果該項動機消失，則其對應導致的利潤操縱現象也會隨之消失，並提出了影響利潤操縱行為的目標函數。
  13. Theoretical analysis and experimental results indicate that algorithm ecfpcg1 and algorithm ecfpcg2 es - tablished by specifying parameters are much more efficient than the imth method, and roughly speaking, the relative efficiency of the algorithms versus the imth method tends to + 00 at the asymptotic formula inn / in3 when n tends to + 00

    理論分析結果表明：這兩個演算法比imth方法具有更高的效率，而且，演算法ecfpcg1的效率高於演算法ecfpcg2的效率。進一步地，演算法ecfpcg2與imth方法的效率比分別為問題維數n和目標函數復雜性嚴格遞增函數，而且這個效率比的下界隨問題維數n的增大以ln （ n ） ln3的速率趨于無窮大。
  14. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合
  15. Because of the equivalence of spotlight sar and rotating target imaging, the impsar pro jection reconstruction theory can be successfully used in spotlight impsar

    本文利用點擴展函數推導了旋轉目標成像在360和小角度時的解析度解析表示。
  16. 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量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、自變量終端固定、部分狀態變量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「共軛梯度法」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量分佈，結果是令人滿意的。
  17. Based on the traditional transportation problem with the balance of production and sales, this paper puts forward a direct method to solve the transportation problem whose objective is to maximize the problem - the modified tabular method, so as to diminish the calculation work, reduce the difficulty of the problem, and explain the economic value of the calculating process in solving real problems at the same time

    摘要從傳統的產銷平衡的運輸問題出發，提出了目標函數為極大化型的運輸問題的直接解法修改的表上作業法，可直接求解此類問題，減少運算量，降低應用難度，並在求解過程中明確了求解方法所對應的實際問題的經濟意義。
  18. The text use the reference of the foreign country ' s financial evaluation theory, discuss four methods of the evaluation, and discuss the advantage and disadvantages of the methods one by one. understand the meanings of the corporation value and maximize it, understand the significance of the maximize the value of corporation which use as the financial aim, and use it to the financial decision - making

    本文通過借鑒國外財務估價理論，初步探討了企業價值評估的四種方法? ?以資產負債表為基礎的賬面價值估價法、比較估價法、加總公司發行在外的各種證券的市場價值評估法、折現現金流量估價法，並分別討論其適用性和局限性，真正理解企業價值及其最大化的含義，明確了企業價值最大化作為財務目標函數的學科意義，並運用到企業的財務決策中去。
  19. Abstract : in this paper, we propose an improved lagrangian relaxation algorithm to solve job - shop scheduling problems. besides the addition of augmented objective, we expand the search scope of near - optimal solutions and improve the computational efficiency greatly by restricting the solution scope of sub - problems and modifying the search method of dual problem. at the same time, we develop a genetic algorithm combining with the lr ( lagrangian relaxation ) method. using the numerous useful solutions we get in the lagrangian relaxation as the original genes, we can improve the solution further. test results show that these methods achieve satisfied outcome for job - shop problems. they can also be applyed to other programming problems with constraints

    文摘:針對車間調度問題，提出了一種改進的拉氏鬆弛演算法.在增加輔助目標函數的基礎上，通過對子問題的限制和搜索策略的改變，使拉氏演算法的計算量減少，近優解的搜索能力有很大改善.本文還提出了一種基因優化演算法，充分利用拉氏演算法得到的多個近優解，進一步優化結果.模擬結果表明對車間調度問題得到了較好的結果.本方法也可用於其它有約束的規劃問題
  20. In this paper, various previous brdf models, which include empirical models, geometrical optics models and theory models, are summarized and their merits and demerits are analysed. both shadowing function and facet distribution function as statistical characters of rough surface are discussed besides simpled fresnel reflectance function

    本文首先總結了前人提出的各種目標表面brdf模型? ?經驗模型、幾何光學模型、理論模型等，分析了這些模型的優缺點，論述了隨機粗糙表面幾何光學統計特性? ?遮蔽函數、小面元分佈函數，簡化了菲涅爾反射函數。
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