梯形公式 的英文怎麼說
中文拼音 [tīxínggōngshì]
梯形公式
英文
trapezoid formula-
Compound trapezoid formula and its application
復化梯形公式及其應用The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables
（ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。The average thermal intensity inside the particle is obtained based on the solution of the temperature field inside the particle. the effective thermal conductivities for composites with different particulate geometry are calculated by using the prediction formula
在求解顆粒復合材料不同形狀夾雜內溫度場的基礎上，進而求解其夾雜相的平均溫度梯度，利用有效熱導率的預測公式，對含不同形狀夾雜的復合材料進行數值計算從而得到其有效熱導率。The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program
本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。Deriving of two currenting formulas on ladder - shaped resistance network
梯形電阻網路的兩個通項公式In chapter four, problem about parameters of gpc on - line tuning in frame of satisfactory control is researched, and a satisfactory model for multi - parameters on - line tuning is defined, and proposed a formula based on grade conception and one - dimension searching method. it ' s shown that the system ' s performance can be improved by this approach
對多參數調整優化問題給出了滿意優化模型，並且對由此形成的多變量尋優問題引入了梯度的概念和一維搜索的方法給出了該多參數尋優問題求解迭代公式的杜十模糊btai與模糊約柬的浦意優化控制向量形式。Dividend policy is that policy - making body of dividend adopts some tactics related to dividend policy which contain five of types : stable dividend policy, stable pay - out ratio policy, ladder dividend policy, residual dividend policy and regular dividend plus extras policy. the dividend policy of the listed company is influenced by many factors such as law, contracts, conditions inside the enterprises, shareholder wills, administration and supervision authorities etc.
上市公司股利政策受法律、契約、企業內部條件、股東意願和管理層等多種因素影響，形成了包括穩定的股利政策、固定比率股利政策、階梯式的股利政策、剩餘股利政策及低正常股利加額外股利政策五種類型的股利政策。Compared with digital integrator composed of reversible counter, the trapezoidal formula digital integrator is utilized in integrating element of phase - lock controller, it has advantages in simple realization, fast transient response, wide lock range, insensitivity to disturbance
對鎖相控制的積分環節採用了梯形公式數字積分器，與可逆計數器構成的數字積分器相比，梯形公式數字積分器具有實現簡單、動態響應快、入鎖范圍大、抗擾動能力強等優點。We generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach. finally, we successfully developed a new algebra grid generation technique in virtue of the improved four - boundary interpolation. in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson
（ 2 ）進行了應用控制理論和二維歐拉方程的翼型氣動反設計，以及有升力約束情形下翼型跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件的數學形式，並給出了相應的梯度求解公式形式，研究發展了共軛方程及梯度的數值求解方法，成功進行了多個翼型的反設計和減阻問題研究。Both the effect of substrate deformation and the state of large deflection of the microbridge are involved in the theoretical expression. furthermore, the distribution of axial stress in the micro bridge is discussed in detail by taking different shapes of cross section into consideration. and a shape factor is introduced into the expression, which simplifies the theoretical expression
理論上對薄膜微橋法的公式進行了進一步的化簡，在考慮襯底變形貢獻和大撓度的基礎上，進一步探討了微機械加工過程中不同橫截面形狀的情形；並對矩形和梯形截面微橋的軸向應力分佈作了分析，補充和發展了薄膜微橋法的理論；引入了橫截面形狀修正因子，簡化了公式的表達和計算。This paper ' s main task include : in the aspect of the network communication and database application, to satisfy the demands of the works, the software of sustaining dde is worked out, which realizes the dde with the configure software, so the problem that the instruments " protocols do not match to the configure software ' s is solved ; we work out the software of collecting datum information from the instruments on the rs - 485 bus ; the software of transferring information by the telephony network is worked out, and the software of alarm by beep - pager is work out too ; the software of database report with the performance of supporting com, by which the engineers can visit the field database everywhere in the world ; the software that the two servers are redundant mutually is developed ; some ladder program of plc is developed and the megabasic software is developed which collects datum information from the instruments on the rs - 485 bus
本論文研究工作主要包括： 1在網路通訊和數據庫方面，開發了支持dde通訊方式的軟體組件，實現和組態軟體cimplicity的dde通訊，基於rs _ 485總線的採集智能儀表數據的軟體組件，解決了設計院所提供的智能儀表和cimplicity在通訊協議方面不一致的問題；公用電話網數據傳送的軟體組件，和尋呼機報警的軟體組件；基於access數據庫列印報表的軟體組件和與internetexplore軟體兼容的數據報表，使用戶可以在任何地方，通過internet訪問現場數據庫的內容；上位機雙機冗餘的軟體組件；開發了plc控制器的部分梯形圖，利用plc的pcm模塊採集rs - 485儀表數據的megabasic軟體。 2This paper uses complex simpson numerical integration, trapezium area formula and optimization theory to precisely compute according. to mathematical model. it provides data and reference to help check turning conditions of platform lorry, and realizes real time, dynamic inquiry of platform lorry design
利用復合simpson數值積分方法、梯形面積型心公式和最優化理論對數學模型進行了精確求解，為平板車轉彎工況的校核提供數值和理論依據，實現了平板車設計過程的實時、動態查詢。Furthermore formulas of pressure loss are summarized based on trapezoid cell, this approach may be applied to study the mechanism of dissipative energy in other labyrinth emitters, and those regression formulas are tested through experiments
總結出以梯形單元為模塊的水頭損失公式，為研究其它迷宮滴頭的消能機理提供了有效方法；通過試驗驗證了回歸公式的可行性和準確性。分享友人