表達式優化 的英文怎麼說
中文拼音 [biǎodáshìyōuhuà]
表達式優化
英文
optimization of expressions- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 表達 : deliver; express; show; voice; convey; communicate
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Then, depended on the expressing / feature / optimizing module under ug software, the compensating area parameters on the out place of side - plate for balancing action could be realized, and at the same time the close connecting parameter optimizing with 3d modeling could be carried out as well, finally the results from optimizing program were coincident with the parameters of the imported pumps
進而利用ug軟體的函數表達式和特徵建模及優化模塊,實現齒輪泵補償面基本參數的優化設計和軸套(側板)三維參數模型自動生成的無縫連接,所得結果與引進泵的基本參數比較吻合。A two - cylinder model for saal incorporating bem simulations is proposed, which introduces a factor concerning the geometric parameters of the levitator into the expressions for the time - averaged potential u, acoustic radiation force f, and restoring force constant ki, respectively, and builds up the relationship between the levitation capabilities and the geometric parameters of a single - axis acoustic levitator
建立了單軸式聲懸浮的優化設計理論模型,採用邊界元方法求解入射聲場,在表徵聲懸浮性能的時間平均勢u 、聲輻射力f _ i和回復力常數_ i的表達式中分別引入了一個涉及懸浮器幾何參數的因子。Muc is furtherly defined as intergenerational opportunity cost under sustainability context and the concept of relative value is built up to analyze its dynamic character. in the neoclassic growrh with the invariable substitution of resource for capital, the formulation of this relative value is deduced. for mpc, hotelling model is used to illuminate the relation between the change of mpc and the impossibilities of sustainable use of energy resources ; for mec, an optimal growth model with exhaustible energy resources and environment pollution is employed to calculate the optimal environment
在可持續發展的條件下,將能源資源的邊際使用者成本進一步定義為代際機會成本,並建立相對價值的概念用於分析代際機會成本的動態變化,基於一個資本與資源存在確定替代關系的新古典經濟體系推導這種相對價值的表達式;在傳統的霍特林準則的基礎上,分析了邊際生產成本變化對資源可持續利用的影響;運用一個帶有資源與環境約束的最優增長模型,推導了邊際環境成本內部化的最優環境稅,並分析了這種稅收政策在實踐中的應用。Based on an analysis of fuze - warhead coordination, evaluation of the efficiency of fuze - warhead coordination is taken as made up of two parts : the design efficiency and the bursting model efficiency. their quantitative expressions are derived and their applications are discussed regarding the choice of fuze systems and the optimization of bursting models
本文通過對引戰配合效率過程的分析,提出將評定引戰配合的效率指標分成有明確物理意義的兩個組成部分:引信設計效率和起爆控制效率,推導了它們的定量表達式,並分析了它們在引信體制選擇和起爆控制模型優化設計等方面的應用。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。It can be boiled down to combinatorial optimization problem in mathematics. on the basis of summarizing the complexity and structural features of hmb and rules of its design and manufacture and analyzing the spatial relationship in 3d layout of hmb, the expressions of relevant variants are put forward using the object - oriented approach
在全面總結液壓集成塊設計問題的復雜性特點,以及集成塊類零部件的結構特徵和設計、製造信息組成規律的基礎上,本文深入分析了集成塊立體布局的空間關系,用面向對象方法定義了與該問題有關的特徵變量的示性表達式,給出優化目標和約束條件,進而確立了集成塊設計問題的數學優化模型。A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea
本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究,在系統分析和歸納總結國內外相關研究成果的基礎上,系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則,給出了研究和解決近接施工問題的普遍方法,如數值分析先行,模型試驗、現場測試驗證等。An investigation of the rijndael algorithm which is the advanced encryption standard of usa is taken in this thesis. we have focused on developing the cryptographic properties of the rijndael sbox from the viewpoint of boolean function, walsh spectrum and algebraic structures, on the attacks against the reduced variants of rijndael, and on the optimized implementations of rijndael. the key contributions follow below
本文對美國高級加密標準rijndael演算法進行了比較深入的研究,內容包括:從布爾函數、 walsh譜和代數結構的角度對其s盒密碼性質進行的研究,簡化演算法的攻擊方法以及演算法的優化實現問題,主要成果有: 1 、提出求解布爾函數表達式的兩種新方法,具有簡潔、易於編程實現、準確而快速的特點,應用於des演算法獲得與公開文獻相符的結果,應用於rijndael演算法首次求出其s盒布爾函數表達式。The sql server 2005 query optimizer can match more queries to indexed views than in previous versions, including queries that contain scalar expressions, scalar aggregate and user - defined functions, interval expressions, and equivalency conditions
與以前各版本相比, sql server 2005查詢優化器可將更多查詢與索引視圖相匹配,包括包含標量表達式、標量聚合函數與用戶定義函數、間隔表達式以及等價條件的查詢。14 che d. implementation issues of a deterministic transformationsystem for structured document query optimization. in proc
相反,我們直接通過等價變換的方法得到優化后的xml查詢表達式並執行之。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。In accordance with the water tunnel that liner have cooling pipe, thermal insulation temperature rise model adopt difference expression during its through or not water phase, and optimization back analysis of parameters is carried out
針對本工程引水洞襯砌內布置有冷卻水管,對絕熱溫升模型在通水前後採用了不同的表達式,並分別對其進行了優化反演分析。And the thickness of the overlay is achieved. the target of this paper is to set up connection between ndt and the methods. if flexibility of the overlay is measured, the thickness of it is gotten straightly through this connection
然後將解析解的表達式經過一系列恆等變換,得到二維有限區域上二重積分的形式;進行二維fourier反變換,利用高斯積分編制計算程序,求出數值解,並以此為基礎通過目標優化得到加鋪層厚度。According to the analysis of the gate, the author put forward a mathematical model of the optimization design of the hydraulic automatic tilting gate, and then worked out the structural stability optimization design program of the hydraulic automatic tilting gate. then by the calculation of the program, a better design for a certain project was gained
根據對翻板閘門的運行分析,提出了翻板閘門優化設計數學模型的一般表達式,並據此編制出水力自動翻板閘門的結構穩定性優化設計程序,對某一工程實例,通過程序的計算,得到了較理想的設計成果。Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed
目前,基礎隔震結構、 「加層減震」 ( tmd減震)結構正逐步應用於工程實際,由於這兩種結構在動力荷載(如地震、風)作用下動力方程中的阻尼矩陣為非經典情形,傳統的實模態分析方法(振型分解法)不能使動力方程解耦,因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式,在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment
從光熱輻射理論出發,推導出一維情況下ptr信號的振幅和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法;接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。For global common subexpression optimization, the compiler searches entire functions for common subexpressions
對于全局公共子表達式優化,編譯器搜索全部函數中的公共子表達式。For local common subexpression optimization, the compiler examines short sections of code for common subexpressions
對于局部公共子表達式優化,編譯器檢查公共子表達式的一小部分代碼。In the binding example below, both the minimum and maximum length are 2, allowing the xml forms generator to optimize the expression to an equivalence comparison
在下面的綁定實例中,最小和最大長度都是2 ,以允許xml forms generator將表達式優化為相等比較:In the last part of this chapter, vibration serviceability - based optimization problems were discussed and mathematical models for these problems together with their solution methods were suggested. chapter 4 included three major contents
在系統介紹煩惱率模型的基礎上,這一章還探討了基於振動舒適度的結構優化設計問題,給出了這些問題的數學表達式和優化求解思路。分享友人