次最優化 的英文怎麼說

中文拼音 [zuìyōuhuà]
次最優化 英文
suboptimzation
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  1. Firstly, the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type. secondly, the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm, and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention. finally, the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward, this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically

    首先,採用廣度先搜索演算法查找電氣原理圖中的連通導線端點集,並根據不同類型的繼電元件對應的cad圖塊結構的不同,得到電氣原理圖中元件接線端子之間的連接關系;其,根據二分圖匹配演算法為電氣原理圖中繼電元件選擇合適的型號和規格,並採用人工干預和自動布置相結合的方法完成屏面布置圖的自動生成;後,提出了完全無向圖中經過每個頂點一且僅一路徑演算法,利用該演算法和經過預處理的prim小生成樹演算法自動生成屏內安裝接線圖和端子接線圖。
  2. After discussing the market risks based on the individual investor behaviors, it describes the connotation, materialized model, and explores the risk ' s position in china security market. it finally draws the two risk - control solutions : 1 ) fosterage of rational individual investor ; 2 ) information disclosure

    本文提出了投資者風險決策中的理性判斷標準,認為理性概念是多層多含義的,其精華是指一種佳的、恰到好處的合理的狀態,一種( optimization )的而非謀求數量的方案就是理性選擇。
  3. In this paper we present in detail the process of midship section design and drawn procedure, coding shipping section plane cad application program through using microsoft visual c + + 6. 0, objectarx2000 programming languages and using grade optimistic method of optimization method. software design adopt windows attribute dialog box and common dialog box alternate designed means, people - computer interaction interface novelty, usableness

    本文對船舶結構設計中的中橫剖面設計和繪製程序進行了研究,利用autocad軟體的二開發功能,通過採用microsoftvisualc + + 6 . 0 、 objectarx2000編程語言和使用方法中的分級方法,編制出了船舶剖面cad應用程序。
  4. The cone - subdifferential of efficient solutions set for vector optimizations problem with perturbed order

    錐擾動向量問題有效解的錐微分
  5. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律,結合油氣動態系統的一般特點,結構特點,兼顧油田開發規劃設計的要求,利用功能模擬原理(含神經網路方法、微分模擬方法) ,依據油田歷史數據,建立了油田開發動態指標間的輸入輸出關聯關系,並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測,同時利用原理,在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「模型」 ,這些模型包括:產量構成模型(解決陸上稀油產量、稠油熱采產量、三採油產量、海上產量及對應的成本、工作量的構成問題) ;措施產量結構模型(解決壓裂、酸、大修等各項措施產量及措施工作量的構成問題) ;產量分配模型(將油田的產量地分配到各採油廠)以及油田綜合開發規劃模型。
  6. In this paper, a lot of researches and exploration are applied to studying the universality and expansibility of hardware and the arithmetic design and code optimization of software. especially, all of the following arithmetics or conceptions are worked out in the research of software design : self - adaptable compression arithmetic based on dictionary model for data collection system, similarity full binary sort tree, a optimized quick search arithmetic and an improved arithmetic of multiplication in the floating - point operation. and all of the arithmetic are designed with mcs - 51 assembly language. the quick search arithmetic, in which merits of both binary search and sequence search are used fully, are based on the specialty of preorder traversal in similarity full binary sort tree

    特別在軟體設計研究中,提出了適用於數據採集系統的數據壓縮演算法? ?基於字典模型的自適應壓縮演算法;提出了類滿二叉排序樹的定義;提出了基於類滿二叉排序樹的先序遍歷特性的快速查找演算法,它充分利用了折半查找和順序查找各自的點;提出了浮點運算乘法的改進演算法;並在mcs - 51匯編語言層上對所有的演算法加以實現。
  7. Among hese method, one of the simplest is the deepest gradient descent algorithm, but it has one disadvantage that the solutions are oscillatory and slowly convergent. a friction term is ntroduced to avoid oscillatory solutions and raise convergence rate. the third major contribution of this dissertation is study on 3 - d diffuse object surface optical automatic measurement

    ,結合要處理的具體問題,介紹數值及幾種常用的無約束計算方法,以梯度法為基礎,討論其演算法的缺點,通過引進阻尼系數,改進了演算法的收斂速度,從而提高迭代精度。
  8. When both genes were co - expressed in e. coli, the activity of ppsa varied from 2. 1 - 9. 1 fold comparing to control, but the activity of tkta was relatively stable ( 3. 9 - 4. 5 fold ). whatever the two genes were expressed respectively or cooperatively, both could promote the production of dahp, the first intermediate of the common aromatic pathway, but co - expression was more effective on forming dahp and screened ppt - and ptp - as more effective. the results demonstrate that co - expression of ppsa and tkta can improve the production of dahp, and what ' s more, when multigenes co - expressed, the recombinant which has coordinated enzymes activity is optimum

    莽草酸途徑的和整體調控基因csra的敲除正是上述改變的分子基礎,同時也為三種芳香族氨基酸的基因工程菌的構建打下了基礎; 7 .在國內外首實現了共同途徑限制性底物關鍵酶ppsa刁無『及arog與分支途徑關鍵酶基因phea的串聯高效表達,所構建的重組質粒ptga ,其ppsa 、 tkta 、 arog 、 cm和pd的酶活分別比對照提高了3 、 2 、 2 , 5 、 4 、 2 . 3倍,且其酶活比較協調一致; 8 .將ptga導入到篩選的基因敲除和基因替換菌株大腸桿菌31884 c甲b中,搖瓶發酵證實比以往所構建的基因工程菌株具有較高的phe產量和糖轉率率,分別為0 . 448 %和22 . 4 % 。
  9. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二全橋逆變結構,一逆變提供快速的響應速率並給二逆變提供能量,二逆變提供良好的變極性性能,使輸出能量,並用其低頻電流特性減小電弧線能量,控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上,利用電流的高頻特性壓縮電弧,改善焊縫金屬結晶過程。
  10. At first, this thesis analyzed some essential elements about the system of personal houe loan and make the compare to chinese and foreign system, and established the system of personal credit evaluate ; the second, the thesis discusses the investment technique and strategy of national debt in the provident fund, and established the model about how to invest the national debt ; the third, the thesis build the forecast model about fund collecting and drawing, and make use of the combination invest theories to build model of individual loan and national debt ; at last, the thesis analyses the risk ' s inside reason of house funds with the risk type, and to give out the related suggestion to funds risk. mechanism. the thesis research show me how to make use of that some models and methods in the process of haf management and make me deeply understand the house funds

    本文首先分析了個人住房貸款制度基本要素,即貸款期限、貸款利率與抵押物價值的比例、政府在個人住房貸款市場中的作用、貸款違約情況下的處置措施、個人住房貸款的流動性問題,並對中外製度作了比較,建立了個人信用評分評級體系和信用評估模型,並以重慶市住房公積金為研究對象做出了住房資金個貸風險評估的實證研究;其,分析了影響國債價格走勢的因素,討論了公積金國債的投資技巧和策略,並建立了基於理論的國債投資組合模型;接下來,根據資產負債管理理論中的資金總庫法和資金分配法分析了公積金總體資金項目的來源和運用,並就此作了總量平衡模型,對住房公積金季度累計歸集金額作了直線回歸和季節趨勢比率預測,運用投資組合理論建立了公積金個人貸款和國債投資組合的模型;後,探析了住房資金風險的內在原因和風險類型,從資金籌集風險、信貸回歸風險、保險機制、法律風險和政策風險五個方面為住房資金風險防範機制建設提出了相關建議。
  11. We optimized to derive the merv input shaper and compare it to other input shapings. through the comparison, we can find out that the merv shaping yield the better performance than the others. we can also derive the hybrid input shapers if we simplify the optimal process

    並應用merv (小余振平均值)輸入成型方法,以磁頭定位系統為模型,通過數值過程求解出的merv輸入成型器和的混合輸入成型器。
  12. 3. based on analyzing and comparing the existing methods of determining weight, multiplication scale method, extension ahp method and ann method are used to the safety assessment of the levee engineering. and the model of calculating syncretic weight of safety assessment index is founded by using optimization guideline

    3 、通過對已有權重確定方法的比較研究,將確定權重的乘積標度法、可拓層分析法及神經網路方法應用於堤防工程安全綜合評價中;基於準則,建立了評價指標融合權重的確定方法。
  13. After studying the contents with " sx - 10 law " concerning the oil and gas ( o & g ) cost of the international oil company, the article has systematically analyzed and compared the sinopec and foreign oil company ' s o & g cost ' s differences, such as its classifications structures, and cost accounting etc. by analyzing the international oil company ' s common o & g cost ' s movement tendency and rule which has been outlined and showing in the recent 10 years, that is between 1991 and 2000, the article has compared and studied the differences in o & g costs between the sinopec and foreign oil company, furthermore, it has taken impersonally part the real and internal reasons in details which has resulted in the differences at home and abroad. for instance, it has concluded the reasons that contribute to the long - lasting higher production cost of the sinopec upstream in three aspects : firstly, it is due to the difference in its resource stratagem, that is, the foreign oil company can realize their o & g resource optimization by the way of resource electing and o & g assets replacement in the world market ; secondly, since most of the sinopec key oilfields have been in the middle or last development period which characterizing the " three high " ( high water containing, high yield and high lifting rate ), it has been an impersonal rule with a higher level of production cost ; finally, another factor resulting in the higher production cost lies in the execrable operating and social environment which has been facing by the domestic oil company and a great amount of non - producing payout which owes to the bad environment

    本論文從美國證監會( sec )對國外石油公司油氣成本的《 sx4 - 10條例》的內容研究出發,系統地分析和比較了中外石油公司在油氣成本的分類、構成以及核算等方面的差異,並結合近十年來( 1991 - 2000 )國外石油公司油氣成本的變趨勢和變規律,對中外油氣成本結構和變呈現出的差異進行了比較和研究,並就導致該差異產生的深層原因進行了客觀翔實的剖析,文章特別指出,造成中石上游油氣生產成本居高不下的原因有三個方面: ( 1 )資源戰略方面,國外石油公司可以通過資源選和資產置換來實現油氣資源的選擇: ( 2 )從開發程度上,中石上游普遍進入以「三高」為特徵的開發階段,生產成本高是客觀規律: ( 3 )企業面臨的惡劣經營和社會環境以及由此產生的大量非生產支出,也是構成企業生產成本較高的原因之一。
  14. In this paper, we are concerned with the sequence quadratic programming ( sqp ) methods for solving constrained optimization problems

    本文研究求解約束問題的序列二規劃演算法( sqp演算法) 。
  15. Aimed at the current problem of pipeline layout optimization technique, the research of irrigation pipeline layout and pipe diameter optimization has been done, the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper. with the support of gis, the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline ' s layout optimization. at the aspect of pipe diameter optimization, simplicial method and interior - point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation

    本文主要針對當前南方地區低壓管道輸水灌溉規劃設計中存在的技術難點,開發研究先進實用的樹狀低壓輸水灌溉管網計算機輔助設計系統。首提出了將gis (地理信息系統)和圖論技術應用於低壓管道輸水灌溉規劃設計及灌溉管網中,在gis支持環境下,應用圖論中的小生成樹法和120規劃進行管道的布置。建立以管道輸水灌溉系統的年折算費用小為目標函數的管徑線性規劃模型,並將內點法應用於線性模型的求解。
  16. Firstly, a new joint filterbank precoders and decision feedback equalizers structure is proposed, and the corresponding optimization result based on the maximal mutual information criterion is derived. secondly, the concept of dt canonical model is proposed, which is very suitable for the task of blind signal processing based on the second - order statistical of the observations. thirdly, the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model, and a subspace blind identification algorithm of the time - invariant channel matrix is developed

    本文創新性的成果在於:提出了預編碼-判決反饋聯合均衡系統結構,並從理論推導得出了對應的大互信息量設計結果;首提出了時變色散通道的離散正則模型概念,該模型適宜於利用觀察數據的二階統計量進行盲信號處理;基於離散正則模型對時變色散通道進行了系統的盲均衡和盲辨識方法研究,提出了對時不變通道矩陣的子空間盲辨識演算法;針對誤差傳播效應問題,提出了可以消除誤差傳播效應的兩級盲辨識演算法;提出了基於離散正則模型的直接盲均衡演算法;提出了基於特徵恢復思想的神經網路直接自適應盲均衡演算法。
  17. Combining with advanced science and technology such as modem computer network technology, database management system and modem communication technology etc, the reservoir dispatching automatization system has developed from the indispensable application system such as water inspecting system, flood forecasting system, reservoir dispatching and water information querying system etc into an integrated functioning system used for the dispatching of water power stations. using the management information system, database management system, geographic infonnation system, optimization technology, statistics etc. this paper with the project background of the three gorges cascade dispatching of reservoirs, bring forward the plan of dispatching automation system of three gorges cascade reservoirs. this project have been adopted in the three gorges project

    本文應用信息管理系統、數據庫管理系統,地理信息系統、技術、統計學等方面的理論和知識,以滿足三峽工程梯級水庫調度的需要為前提,提出了三峽工程梯級水庫調度自動系統的方案結構,該方案已被三峽工程的建設所采納,同時,在水情遙測系統的通信組網方式上,本文提出的inmarsat - c與pstn聯合組網的通信方式,在我國水電站的水情測報系統中,首在葛洲壩項目中成功地應用,並且該方式也將應用於三峽水庫調度自動系統。
  18. In unconstrained optimization, we deal with the standard problem of finding the minimum of a function f : rn - r. if we assume that the function is twice continuously differentiable, many methods can be applied to find the minimum

    在無約束中,考慮尋找f : r ~ n r的極小點。假設f是二連續可微的,可以有許多方法尋找它的極小點。
  19. The paper introduces the method of optimal design, which includes the non - constrained optimal design and constrained optimal design, then brings this method into the modeling of nurbs surfaces to resolve practical problems. the fitting of nurbs curves and surfaces are discussed in detail

    ,本文介紹了設計方法,包括無約束方法和約束設計方法,並將方法全面引入到nurbs曲線、曲面造型中去,解決設計中的實際問題。
  20. 2 、 summarize how to design quantum state tomography, and analyze how to optimize the times of different measurements

    2 、對量子狀態層析的實驗設計進行總結,並著重分析了測量問題。
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