極小極大原理 的英文怎麼說
中文拼音 [jíxiǎojídàyuánlǐ]
極小極大原理
英文
minimax principle- 極 : 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...
- 小 : 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...
- 原 : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
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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小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極值組合起來,自動列方程組,求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小值;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法,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法為原理,在尺寸鏈各組成環的取值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。First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy
經方案比較,決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理,研製開發火焰監測系統,檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體,光電二極體在接受紅外輻射時,其產生光電流的大小與入射光能量成正比。This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically
本文從bp網的結構出發,以減小bp神經網路的規模為手段來克服陷入局部極小點,提出了bp神經網路的拆分組裝方法,即將一個大的bp網有機地拆分為幾個小的子bp網,每個子網的權值單獨訓練,訓練好以後,再將每個子網的單元和權值有機地組裝成原先的bp網,從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的;在拆分組裝方法基礎上,本文詳細闡述了輸入樣本的預處理過程,更進一步地減小了bp網路的規模,使子網的學習更加容易了;對于子網的學習,本文採用了最速梯度? ?遺傳混合演算法(即gdr ? ? ga演算法) ,使gdr演算法和ga演算法的優點互為補充,提高了收斂速度;最後本文闡述了用以上方法進行atm帶寬動態分配的過程。Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent
展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障特徵提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。In this experiment, the quantity change of partial pressure of main elements is given by longtime dynamic measuring of metal dewar exhausting with quadrupole mass spectrometer ( qms ), the results show that exhausting technology influences outgassing of dewar vacuum vessel, this paper gives the theory, equipment, method, data and disturb fators, we also give primary investigation how the main gases affect the vacuum integrity of dewar and point out the possible ways which can be applied to present technology
摘要實驗研究用四極質譜儀對金屬杜瓦排氣進行長期動態監測,跟蹤內部主要氣體成分的分壓強的大小變化,得出排氣工藝對杜瓦內表面放氣量大小的影響,介紹了實驗的原理、裝置、方法、數據和干擾因素,對影響杜瓦真空度的主要氣體成分進行了初步研究,提出改進杜瓦排氣工藝的可能方向,對工藝處理具有實際意義。The flexible decision method of bargaining for the kind of cooperative game is presented. the solution by the method is egalitarian and efficient. under some condition, it is the lexicographic maximin solution
柔性決策方法,根據這種方法求出的解具有公平性和有效性,符合管理科學的基本原則;在一定的條件下,這種解也是字典序極大極小解Then, with the concept of accumulated failure probability, the proposed approach combines the least ? quares method with bayes " theorem, takes advantage of the parameter estimation for single weibull distribution to each derived subgroup data set, and estimates the parameters of each subpopulation. the estimates given by this paper also satisfy the maximum likelihood equation. the mean time to failure and the reliability estimation of the mixed population are given
然後通過利用累積失效概率等概念,對每個導出的子組數據集聯合運用最小二乘法、貝葉斯定理和對單一威布爾分佈的參數估計法,從而得到每個子總體的滿足極大似然原理的參數估計,給出了該混合總體平均壽命和可靠度的估計。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。In modern laboratories like cern or fermilab in illinois, physicists accelerate antiprotons or positrons produced by nuclear reactions to the speed of light and collide them with conventional particles to produce tiny starbursts of primordial energy, recreating forms of matter and energy unseen since the big bang
像cern現代實驗室或伊利諾斯州費米實驗室,物理學家加速核反應產生的反質子或正電子到光速,而且把它們同常態粒子碰撞產生自大爆炸以後從未見過的物質和能量再生形態的原始能量極小星光閃耀。The algorithm makes use of maximum entropy of information theory and gets optimal solution by a small - scale
該演算法利用了信息論中極大熵原理,使演算法以較小的規模得到較好的最優解。Inner mongolia ' s black eye by honest code of honor, sincere service for principlepositively for general loves curious stone friend service, also completes each minor matter for own successi mainly manage produce in from the inner mongolia autonomous region arab league ' s within the boundaries of gobi wonderful stone, the agate, the color jade ( red green - yellow black ), the petrified wood, the grape agate stone, the mica and so on, myself sell wonderfully with the proxy lithical mild am smooth, come from naturally, does not have any polishes, polishesthe true original taste and flavour wonderful stone, it is the treasure which the gobi wind insults, may supply to place, may collect
內蒙古的黑眼睛以誠實守信,熱誠服務為原則.積極為廣大愛好奇石的朋友服務,也為自己的成功做好每一件小事.我主要收藏產于自內蒙古自治區阿盟境內的戈壁奇石、瑪瑙、彩玉(紅綠黃黑) 、木化石、葡萄瑪瑙石、千層石等,本人出售和代理的奇石質地溫潤光滑,來自天然,無任何拋光,打磨.真正的原汁原味的奇石,它是戈壁風凌的珍寶,可供擺放,可收藏。First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information
先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3階b -樣條小波基函數的選取及其濾波器系數的推導等,然後根據小波變換結果計算梯度矢量矩陣,進行非極大值抑制和雙閾值化,提取目標輪廓。In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models
本文對基於電動力纜繩的航天器離軌過程進行了深入研究,具體工作如下:首先,本文研究了電動力纜繩產生電動力拉力的基本原理,建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下,對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下,對受電動力纜繩作用的航天器的離軌過程進行模擬,分析了在不同精度地磁場模型下,航天器離軌過程中各軌道參數的變化情況,並比較了不同模型對離軌時間的影響。Solution of nonlinear ship motion equations in oblique regular seas. in this thesis, a new method is presented about calculating nonlinear ship motion responses in oblique seas based on minimized theory
哈爾濱工程大學博士學位論文關于斜浪中非線性船舶運動方程的求解:本文提出了按極小化原理確定斜浪規則波中船舶非線性運動響應的新方法。The results showed that the water absorption ability of food super - fine powders could be determined stably and effectively by the self - made equipment, the water absorption abilities were different when the powders were made from different kinks of grains : the powders began to absorb water earlier and the speed of water absorption became rapider while the particle size of the powders was smaller, and the speed suddenly tended to increase and reached the limit value when the particle size of the powders was up to a certain value
實驗結果顯示:根據毛細原理自製的毛細吸水測定儀能穩定、有效地測定食品超細粉的吸水性;不同來源的超細粉吸水性不同;同一種食品超細粉粒度越小,吸水開始早、吸水速度越快;超細粉粒度達到某一粒度值時,吸水速率突然增大並達到極限。Minimax principle deals with the relation between the minimax value and maximin value of a function
極小極大原理論述的是函數的極小極大值與極大極小值之間的關系。Hi this paper, we shall study minimax principle involving two functions which is a generalized form of one - function minimax principle
在這篇文章中,我們將研究涉及兩個函數的極小極大原理。它是一個函數極小極大原理的一個推廣形式。As time goes on, minimax principle not only is the fundamental principle in the theory of games but also becomes an important content of nonlinear analysis and an object of study in their own right
隨著研究的深入,極小極大原理不但是博弈論中基本原理,而且也成為非線性分析中一個重要的組成部分,並形成一個獨立的研究方向。Since the method dealing with minimax principle of two functions is different from the method dealing with one - function minimax principle and minimax results of one function have not direct two functions extension, so far there are no many minimax results of two functions
由於處理兩個函數極小極大原理的方法是不同於處理一個函數極小極大原理的方法,並且許多一個函數極小極大結果不能直接推廣到兩個函數情形,所以到目前為止有關兩個函數的極小極大結果並不太多。On the other side, along with the development of minimax theory, many application of this principle have been found
另一方面,隨著極小極大理論的發展,人們也發現這一原理的許多應用。分享友人