極小化求值 的英文怎麼說
中文拼音 [jíxiǎohuàqiúzhí]
極小化求值
英文
short-circuit evaluation-
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。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
應用此演算法，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，應用擬物擬人方法嘗試求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「跳出局部極小值陷餅」的策略，得到了求解拉丁方、正交拉丁方的擬物擬人演算法。實驗表明， 」對某些問題演算法有好的效果。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，還有小區居民的積極參與合作，三者密不可分，而這又與居民所屬的階層文化訴求密切相關，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、以法為行，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；最後從價值觀、認同感，消費觀念、文化需求等方面，分析了其文化訴求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。The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field
具體工作可以概括如下：首先，研究了vcsel的熱場特性，分析了電流擴展，材料參數和工作條件對于溫度分佈的影響；其次，從電極電壓入手，計算出激光器中的等勢線分佈，並對不同深度處的電壓和電流分佈進行比較，研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響；再次，實現了電、光、熱耦合，求出了閾值電壓，計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈，分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響；最後，給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈，分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。The results demonstrated that the weft tension and its amplitude can be effectively reduced and positively controlled to meet the requirements of weaving provided that suitable weft storage feed unit, weft feeding position and tension device are selected, modified trapezoid acceleration motion with smaller peak acceleration as the law of weft insertion motion is adopted, and the route of weft yarn motion is optimized
結果表明：通過選用合適的緯紗儲緯器、張力器和緯紗供緯位置，選用加速度峰值較小的改進型梯形加速度引緯運動規律，優化緯紗運動路徑，可有效地降低緯紗的張力值和張力變化的幅度，達到對緯紗張力進行積極控制的目的，滿足織造工藝的要求。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小型化的理論成果、有效的綜合各種技術措施，運用矩量法和遺傳優化演算法等數值方法，深入研究了加載單極子天線問題，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、基本滿足駐波要求的小型超寬帶天線。The traditional optimization technique usually combined the fundamental goal of the controller and performance criterion into a single performance index to be minimized by applying technique based on bellman ' s principle of optimality or pontryagin ' s minimum principle. this view of control is designed to obtain the best solution
傳統的優化技術通常把各種控制要求結合而形成一個單獨的性能指標，應用bellman的最優性原理或者龐特里雅金的極小值原理等使其最小化，從而得到問題的一次性最優解。The problem of monitoring the wear - line of a blast furnace is treated as the inverse problem of the static heat conduction system, and the latter has been turned into the optimization of the squared residual of the measured and calculated temperature at the sensor locations
摘要把確定高爐爐缸爐底熱侵蝕邊界歸結為穩態熱傳導方程的反問題，並轉化為極小化在若干測溫點處由設定侵蝕邊界對應的偏微分方程邊值問題求得的溫度與實測溫度之間誤差的優化問題。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法.所建的數學模型綜合考慮了待建線路的投資和運行費用.求解方法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法，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極小值的樹狀網路結構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小二乘平差問題，藉助非線性規劃中的凝聚約束方法把多個不等式約束轉化為一個等式約束，採用拉格朗日極值法求解，解與貝葉斯解或單純形解一致。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電阻率模型的求解方法，表明模型導出的關于_ w函數在0 -區間內存在一個局部極小值，且該極小值點對應的_ 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法，試算結果表明利用牛頓和二分混合迭代演算法求解關于_ w的方程是收斂。After analysising the five factors ( schedule, quality, investment, claim, risk ) which influence the limit point, this paper presents that the clients should decide the time for the construction in accordance with their own characterististics and utilizing benefits, and decide the project quality according to the sum of purchasing costs ( the price of contracts ) and the utilizing costs ( the costs to run and maintain ), and make it most possible to use supervisim optimal design and construction and to reduce claim and risk, which gives the clients a satisfying project with minimal investmentat the same time, this article tells the contractors how to optimize and make decision to minimize the costs in practice on the basis of meeting the requirment of the clients
在分析了影響極值點的進度、質量、投資、索賠和風險五大因素之後，提出了業主應結合自身的特點，根據工程使用效益來決定工期，根據購置成本（即合同價格）和使用成本（即運行費和維護費）之和來決定工程質量水平，並盡可能通過監理來優化設計、優化施工，減少索賠和風險，使業主最終既能得到滿意的工程，又能使總資金投入最小。同時，也指出承包商應如何在滿足業主要求的前提下，進行優化和決策，使實際發生的成本最小。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，將求最佳所址簡化為求使網路運行費最小的點的坐標，單源連續選址採用數學優化方法中求極值的迭代求解，多源連續選址通常採用交替選址?分配法求解。Based on the experience of regulating frequency according to different valve ' s angle, a reasonable controlling tactic is proposed. when the situation changes to a small degree, electromotor makes fan running at a constant rate ; when the situation changes to the limiting range, the discharge header pressure is automatically adjusted by the rate of fan
制定合理的控制策略，採用基於閥門開度的變頻調節策略，即工況變化較小的情況下，電機帶動鼓風機恆速運行，通過控制閥門開度自動調節集氣管壓力；當閥門開度到達極限值，還不能達到控制要求時，再通過變頻器改變鼓風機轉速，以自動調節集氣管壓力。The explicit method is widely used for its simpleness and little memory consumed with local time step and variable coefficients implicit residual smooth to accelerate the convergence procedure. according to yoon and jameson ' s ideas, an efficient implicit lu - sgs algorithm is carefully constructed by combing the advantages of lu factorization and symmetric - gauss - seidel technique in such a way to make use the l and u operators scalar diagonal matrices, thus the numeric algorithm requires only scalar inversion. the computational efficiency is greatly improved with this scheme
顯式方法具有簡單，消耗內存小等優點，並採用當地時間步長、變系數隱式殘值光順等加速收斂措施，在定常流動的模擬中得到了廣泛的應用;根據yoon和jameson提出的簡化正、負矩陣分裂，構造的l 、 u運算元只需進行標量對角陣求逆，極大提高了流場數值求解過程的計算效率;採用newton類型的偽時間子迭代技術使時間推進精度提高至二階。Owing to the use of ac square wave with little amplitude value, the effect of polarization is depressed. the frequency can be adjusted continuously, so. the effect of the double electricity capacitance is depressed too. and the measurement is not affected by the amplitude values of the ac square waves using rule of three in computation, so the precision is promoted
由於使用交流方波，且幅值很小，將極化效應影響降至最低。又由於頻率連續可調，雙電層電容的容抗可降至最小。在求解過程中，測出交流方波幅值和直流量進行比例運算，消除了交流方波幅值對測量的影響，進一步提高了測量精度。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
擬物方法將原始問題落實為優化問題，而用數學方法在求解優化問題時，常常會碰到計算落入目標函數的局部極小值陷階的困境，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，擬物方法則無能為力，而應用擬人方法則可以設計出好的「跳出陷阱」策略。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，利用小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求，本文提出了一種基於小波變換的邊緣檢測和輪廓跟蹤演算法，通過真正的邊緣點是模的局部極值點這一特點，應用模糊演算法對模極大值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，通過在小鄰域內尋找局部峰值對丟失弱邊緣進行了補償。分享友人