求極小值法 的英文怎麼說

中文拼音 [qiúxiǎozhí]
求極小值法 英文
minimization process
  • : Ⅰ動詞1 (請求; 要求) ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的組合起來,自動列方程組,解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛為原理,在尺寸鏈各組成環的取范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。
  2. 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條件作為約束條件,曝氣過程的能耗最作為目標泛函;採用增廣拉格朗日乘子對最優控制問題進行轉化,並對應用原理解能耗最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對能耗最這一最優控制問題進行解,並進行模擬實驗驗證。
  3. 3 g 一 g g abasi 叱 加 ical pp 訕 howthe qquasi ghgsical 毗 quasi sociological methodmo 止 secondlx we uthuther nalsze the nhrsical model on which he quasi pnsical and quasi sociological methods for solving s 肛 problembased considering a physical hypothesis on this model , we construct a counterexaxnple to showthatthe hypothesis is not eee ? howeve 二 itdoes notdamage the goodpractical effectof applpinp this phpsical model to solve s 盯 problem considering he existence of alsorithlnic region , which reflects that the quasi sociological method is very necessw for ass 吶 ng the high efficient of theent whole algori 燦 m therefore deepens our comprehension on the quasi physical and quasi sociological methods mird1x we wpl … 叫 nas 恤 ysi 陰 1md q 阻 si 500i 吶 i0alm 毗 cd 引 0 咖 we mathematical problem ofcom 恤 non oforthogonal tmles m successfully es 恤 fish a physicalopttrizatbo model for sotring saturated o 汕 ogonal tables , whwh ws provedto be correctintheo0 we thi 冰 。 w goodpersonated s 咖 egies forjumping out of the t 呷 oflocal minimum using quasi sociological method based onthe physical model thus wegetthe wholequasi physicaland quasi sociological algorim forthe problem ofconswction ofs 咖 med orthogonal tables he experimental results showthatthephysical model ishighly efficientthanthe conflmng nlllllber mode ! based on me pure m 她 ematical 訕 kgfound 他 sucoes 訕 11y ? ? rk 咖 m 枷 ons 訕 卿 nal 郵 ie with 3 leve13 using th 叫 u 1 physical and quasi sociological algori 恤 we got some o 汕 ogonal t 勸 les ofl 。 , ( 3 ’ ‘ ) which are not isomorphic moreove 乙 some ofour results are also not isomorphic to oe results pearedb 山 e open rekrences we got lip to now lastlx for 讓 卜 ancie 口 戊 扯 d importantproblemsofconstfutfuction oflatin square and orthogonal latin squares ( most of

    應用此演算,我們成功地計算出難的三水平正交表本課題為國家重點基礎研究發展「九七三」規劃,國家「八六三」高技術發展計劃,高等學校博士學位點專項科研基金及中國科學院軟體研究所計算機科學開放研究實驗室課題基金資助項目1g一gs第四,應用擬物擬人方嘗試解古老而重要的拉丁方、正交拉丁方(它們事實上是正交表)問題。我們結合這些問題的特性,建立了新的物理模型,從理論上證明了這些物理模型的正確性,並設計出擬人化的「跳出局部陷餅」的策略,得到了解拉丁方、正交拉丁方的擬物擬人演算。實驗表明, 」對某些問題演算有好的效果。
  4. The discussion of cultural construction mode in baibuting community is developed as following : the first part presents author ' s motivation in carrying out the research, defining some concepts and introducing a few common modes of cultural construction in urban communities. the second part is a detailed description of fundamental ideas and content, advocating the notion of " human oriented, moral centered, law abiding, trying to creating a modern community with the capacity of sustainable development ", introducing its unique homestead culture. the third part sets forth the innovation of community culture construction modes in baibuting community : in order to create a, human - oriented community culture, establish a peaceful and content environment for the socialism ideology, the baibuting community made innovation on community management system ; by the analysis of the occupational statistics and object groups, the author found out that most of residents come from the middle class ; then, the author gives the definition of middle class and its general features in a sociological perspective ; finally, the thesis analyses the characteristics of the community residents " pursuit of culture and the harmonious development of community culture in aspects like value system, consumption habits, cultural needs

    本文通過理論學習,對百步亭花園社區文化建設的模式進行了探索研究,在現狀調查過程中,筆者發現百步亭的社區文化建設之所以成功,除了開發商和物業管理中心的組織建設外,還有區居民的積參與合作,三者密不可分,而這又與居民所屬的階層文化訴密切相關,於是,本文就百步亭社區文化建設模式作了論述,思路如下:文章的第一部分:提出本文研究的緣起,並對一些與本文有關的概念作了界定,還介紹了幾種城市社區文化建設的一般模式;文章的第二部分:介紹百步亭花園社區文化建設模式的基本思想和內容,提出了「以人為本、以德為魂、以為行,努力創造可持續發展的現代文明社區」的口號,並介紹了其獨具特色的家園文化;文章的第三部分:對百步亭社區文化建設模式的創新作了論述:百步亭社區為了營造以人為本的社區文化,構建社區安居樂業工程,為社會主義思想道德體系提供良好的社會文化環境,在社區管理體制上作了創新;還通過對百步亭社區居民的職業統計,來源群體,分析出其從屬的社會階層主要是社會的中間階層;再次,從社會學角度,定義了中間階層及一般特徵;最後從價觀、認同感,消費觀念、文化需等方面,分析了其文化訴的特徵和與社區文化的協調發展;文章的第四部分:從整合功能和導向功能兩方面總結了百步亭社區文化建設的社會效應;並對百步亭社區文化建設模式的不足提出了意見和建議。
  5. The best approximations algorithm is just the method which can solve the mini - max solution of the least value of frequency deviation. because of the reason above, in this paper the best approximations algorithm is introduced into calculating the parameters of atcxo compensation network for the first time

    最佳一致逼近演算正是能夠解出使頻率偏差的絕對大解的一種方,為此將最佳一致逼近演算首次應用於模擬溫補晶振補償網路參數的計算中。
  6. Actually, this is to resolve an over - determined nonlinear system including six output values and eight input values. so newton - gauss iterative algorithms is used, set up the target function in the sense of the least squares. it is discussed whether the minimal solution to the function exist and is single one while the astringency of newton - gauss method is analyzed

    對于冗餘驅動振動臺,其位姿正解是解具有八個輸入、六個輸出的超定非線性方程組,因此本文採用了最二乘中的牛頓?高斯迭代,建立最二乘目標函數,對目標函數解的存在性、唯一性以及牛頓?高斯迭代的收斂性進行了理論證明和分析,將出的最作為位姿正解的最優解。
  7. Four balancing electrodes are used to compensate the asymmetry and the sensitivity method is used to calculate the balancing voltage

    在非軸對稱的情形下,利用四個平衡電來進行補償,並通過靈敏度得四個平衡電壓的大
  8. Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band

    在本論文的研究過程中,通過合理利用各種現有的天線寬帶化和型化的理論成果、有效的綜合各種技術措施,運用矩量和遺傳優化演算等數,深入研究了加載單子天線問題,旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比,以獲得較高增益的、基本滿足駐波要型超寬帶天線。
  9. Abstract : in this article an optimization method is applied to de sign open - type distribution networks. graph theory technology is used. its mathem at ical model considers both the investment of constructing lines and the cost of o peration. the main idea is getting the structure of tree network that meets with the technical constraint conditions and at the same time make the annual cost mi nimum. the examples of simulation show that this method is fast and effective

    文摘:將圖論優化技術應用於配電網路的優化設計,提出了一種適合於開式配電網路規劃的優化方.所建的數學模型綜合考慮了待建線路的投資和運行費用.解方是以圖論中的最短路徑問題為基礎,配合以開式網路潮流演算,並通過可行路徑的合理變換,得出滿足技術約束條件且使年計算費用取的樹狀網路結構
  10. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧的基本概念和基本假定,在限平衡狀態下,推導了兩直線段均質斜坡穩定性安全系數函數表達式,然後根據限分析理論的原理,利用遺傳演算出了邊坡穩定性安全系數,並得到最危險滑動面的滑弧半徑和滑弧中心坐標。
  11. Meanwhile, objective to the requirement of both real - time and accuracy for moving shaped target detect and tracking, a novel method is proposed based on combination of images difference and feature invariant. the paper improved the tradition difference method, constituted a feature invariant which characterized the object contour without influence of object ’ s size change, shifting, and rotation, and developed a dynamic - extremum - matching scheme

    同時,針對識別跟蹤具有形狀信息的大飛行器目標所提出的快速準確要,提出了一種基於改進的差分演算與特徵不變量匹配的目標識別方,彌補了傳統圖像差分方的不足,構造了一個具有平移、大和旋轉不變性的特徵不變量用於識別目標,並研究出一種動態匹配方案。
  12. To the inequality constrained least squares adjustment problem, this paper converts many inequality constraints into one equality constraint by using aggregate function of non - linear programming ; a basic augmented lagrangean algorithm can obtain the solutions for equality constrained non - linear programming problem and the solutions are identical to those obtained by the bayesian method and / or simplex algorithm

    摘要對不等式約束最二乘平差問題,藉助非線性規劃中的凝聚約束方把多個不等式約束轉化為一個等式約束,採用拉格朗日解,解與貝葉斯解或單純形解一致。
  13. The effects are on the probabilistic assessment of both scattering regularity and sampling size of the test s - n data. p - s - n curves are characterized by the scale and location parameters related s - n relations for the maximum value model. the materials constants of in the scale relations are given by the average s - n relations and the locations

    曲線用分佈的位置與尺度參量s - n關系曲線來表徵,尺度參量s - n關系曲線可表示成均與位置s - n曲線的函數;均曲線的材料常數應用最二乘出,位置曲線參數通過分佈的似然函數解出。
  14. After analyzing the existing ambiguity resolution methods the dissertation investigates the baseline rotation method based on the antenna - swap idea, and develops the fixed axis rotation maximum - minimum method ? farmm and the equivalent rotation maximum - minimum method ? ermm applicable for static basement and moving vehicle respectively. the former lowers the demands on rotation device while the latter improves the flexibility of antennae installation. meanwhile the dissertation also brings forward an ambiguity function search method which needs only one single epoch data with the outer aided information, and investigates the accuracy requirements for the assistant pointing information

    其次,通過與gps等多星系統定向關鍵技術的對比分析,指出雙星定向模糊度確定的難度;在分析現有模糊度解方的基礎之上,研究了基於交換天線思想的轉動基線模糊度確定方,並提出了適合於靜基座的定軸轉動大/farmm,以及適合於地面運動載體的等效轉動大/ermm,前者降低了對轉動機構的要,後者則提高了天線安裝的靈活性;同時,提出了一種藉助外部輔助信息的模糊度函數搜索實現單歷元雙星定向,並分析了對外部輔助單軸姿態信息的精度要
  15. By studying the solution to generalized effective medium satori resistivity model in laminated and dispersed shaly sand, it shows that there is a local minimum of the function about w derived from the model in the range from 0 to, and the w corresponding to the minimum varies with or w as well as other parameters, therefore, in order to ensure the iteration convergence, here, we adopt a hybrid algorithm combining newton and bisection, and the calculated result shows that using the hybrid algorithm to solve the equation about w is convergent. it is pointed out that shale distribution largely affects water saturatio n predicted by this model

    通過研究混合泥質砂巖有效介質通用satori電阻率模型的解方,表明模型導出的關于_ w函數在0 -區間內存在一個局部,且該點對應的_ w隨或_ w及其他參數的變化而變化,因此,為了保證迭代收斂,採用牛頓和二分結合的混合迭代演算,試算結果表明利用牛頓和二分混合迭代演算解關于_ w的方程是收斂。
  16. They abstract loads as points, and simplify the issue to find the point which makes running cost of electric power system minimum as optimal substation location. the single location optimal model is solved by the method of iteration which is often used to solve extremum problem. the multiple location optimal model is solved by the method which is called location, distribution by turns

    用得最多的模型是經典的單、多源連續選址模型,它將負荷抽象為幾何意義上的點,將最佳所址簡化為使網路運行費最的點的坐標,單源連續選址採用數學優化方的迭代解,多源連續選址通常採用交替選址?分配解。
  17. Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor. furtherly, the equation of the most excellent thickness of air interlayer is obtained

    運用函數的方,證明了封閉垂直夾層中的傳熱系數存在,即封閉垂直夾層在理論上存在最的當量導熱系數,並推導出了最佳空氣夾層厚度的理論公式。
  18. Chapter 3 is devoted to the study of the convergence theory of a dual algorithm for unconstrained minimax problems. a dual algorithm for solving unconstrained minimax problems, based on the penalty function of bertsekas ( 1982 ), is presented. we prove that there exits a threshold of the penalty parameter satisfying that the sequences generated by the dual algorithm converge locally to the kuhn - tuker point of the unconstrained minimax problems when the penalty parameter is less than the threshold

    第3章給出無約束問題的一個對偶演算的收斂理論,給出一個基於bertsekas ( 1982 )罰函數的解無約束問題的對偶演算,證明罰參數存在一個閥,當罰參數於這一閥時,該對偶演算產生的序列局部收斂到問題的kuhn - tuker點,並建立了參數解的誤差估計式,同樣估計了罰函數的hesse陣的條件數,它也依賴于罰參數。
  19. The quasi - physical method makes the original problem an optimization problem in mathematics. there is often the possibility of going to a local minimum of object function when we solve the optimization problem mathematically. as for how to jump out of the trap of local minimum so that the calculation can head for a region with better prospects, the quasi - physical method is helpless

    擬物方將原始問題落實為優化問題,而用數學方解優化問題時,常常會碰到計算落入目標函數的局部陷階的困境,如何從這種困境中逃逸出來,使得計算奔向前景更好的區域,擬物方則無能為力,而應用擬人方則可以設計出好的「跳出陷阱」策略。
  20. Edge detection and contour tracking are very important in computer vision. because the single pixel edges are needed in computer vision, an algorithm of edge detection and contour tracking is proposed using the good local character and multi - scale character of wavelet transform in the dissertation. the fuzzy algorithm is applied to pick the model maximum points, so that the single pixel edge can be obtained

    邊緣檢測和輪廓跟蹤在計算機視覺中有著重要的地位,利用波變換良好的時頻域局部化特性和多尺度特性,針對計算機視覺中需要提取單像素的點線等邊緣的需,本文提出了一種基於波變換的邊緣檢測和輪廓跟蹤演算,通過真正的邊緣點是模的局部點這一特點,應用模糊演算對模點進一步篩選得到單像素級的邊緣,並在邊緣跟蹤時,有效利用原圖像的信息,通過在鄰域內尋找局部峰對丟失弱邊緣進行了補償。
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