時間最優問題 的英文怎麼說

中文拼音 [shíjiānzuìyōuwèntí]
時間最優問題 英文
time optimal problem
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 最 : 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
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 題 : Ⅰ名詞1. （題目） subject; title; topic; problem 2. （姓氏） a surname Ⅱ動詞（寫上） inscribe; write
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  • 最優 : optimal; optimum最優策略 optimal policy; optimal strategy; 最優設計 optimum design; 最優值 optima...
  • 問題 : 1 （需回答的題目） question; problem 2 （需研究解決的矛盾等） problem; matter 3 （事故或意外） tr...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. Abstract : the paper emphasizes on exoatmospheric antimissile missile rapid reaiming problem, and according to pontryagin ' s maximum principle the optimal control law in the conditions of long miss distance and long elimination time is presented

    文摘:針對大氣層外反導導彈快速重新瞄準問題，在脫靶量和消除它的時間都比較大的情況下，用龐特里亞金極大值原理求出了最優控制規律。
  3. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  4. 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，同時利用最優化原理，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「優化模型」 ，這些優化模型包括：產量構成優化模型（解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題） ；措施產量結構優化模型（解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題） ；產量分配優化模型（將油田的產量最優地分配到各採油廠）以及油田綜合開發規劃模型。
  5. Our aftersales service network is concentrated at guangdong province. we will try our best to provide effective high - quality and comprehensive service, in order to solve customers ' problem within shortest time

    我們的售後服務網路遍及廣東、香港和澳門，努力為客戶提供優質高效、全面周到的服務，在最短的時間內解決客戶遇到的問題。
  6. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務，但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統，通過構造各種向量馬氏過程和吸收向量馬氏過程，獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標，在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題，並利用mathematic軟體對費用函數進行了數值模擬。
  7. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析，得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。
  8. In the case of the maximal observing time model, the solving problem can be break up into small problem which is find the elevation having maximal observing time of every access. thus, a simple enumeration algorithm can be used to solve it

    對時間覆蓋率優先問題，通過對這類模型的求解問題的特點進行分析，將問題轉化成為求解單次訪問的時間最長觀測帶這一等價問題，實現了最優求解。
  9. In this approach, remaining operating time ( rot ) is divided into two types : one is relative rot, and the other is absolute rot. a new dispatching rule, i. e. the maximum relative rot of part is priority, is presented. this scheduling algorithm is proven to be effective by examples and theory analysis

    論文重點研究了在單件、小批量生產方式下，基於啟發式的作業車間調度問題，提出了優先分配啟發式演算法的一種新的優先分配規則，即相對剩餘加工時間最大的概念，並從理論分析和軟體實現兩個方面驗證了該演算法的有效性。
  10. Facing to manufacturing system, this paper analyzed its characters and evolvement of production management modes, demonstrated that lean production and human - based theory were practical ways to reform our manufacturing systems fit for the reality. a division method was raised to separate the job - scheduling problem into shop and station types, and emphasis was pressed on the study of partheno - genetic algorithm ( pga ), a revised genetic algorithm, to calculate this problem. a new kind of gene joint - move algorithm was also raised

    針對製造系統，分析其生產管理模式的特點和變遷，論證了精益生產和以人為本的思想是適合現階段我國實際的製造系統管理模式改造途徑，對其中的主要具體問題?作業計劃調度提出shop （車間）和station （工作站）型兩分法，求解上重點研究了遺傳演算法的改進型式?單染色體遺傳演算法（ pga ）的基本理論，提出一種基因聯合移位運算元，證明了演算法的有效性與優越性，研究了如何將pga應用於製造系統作業調度這一復雜的組合優化問題，針對生產中總時間最短和jit兩種生產性能指標，給出了具體的解決方案及運算過程。
  11. The approximate optimal solution for the generalized time optimal control system with delay

    具有時滯的廣義時間最優控制問題的近似最優解
  12. Graded optimization strategy for time - optimal control problems

    時間最短控制問題求解的分級優化策略
  13. In chapter 1, we review the history of optimal control theory and point out that there are still three basic problems in optimal control research, i. e., infinite time interval, unbounded controls, and function in system not being f - differentiable. we see that it is still a weakish in optimal control theory to overcome these difficulties

    在第一章中，我們回顧了最優控制理論的發展歷史，提出了當前研究中仍存在的三個基本問題? ?即無限時間區域問題、無界控制問題、以及系統函數不為f -可導問題。
  14. In the chapter 1, a max - min theorem and a max theorem are proved on local convex topological linear spaces, as an application, it is obtained that there exists optimal mixed strategies in a game with an infinite pure strategy set on a compact hausdorff space on the basis of analytic methods

    第一章在局部凸線性拓撲空間上證明了一個極大極小定理與極大定理，作為應用，利用基於分析的方法討論了局中人無限純策略集為緊的hausdorff空間時的最優混合博弈問題。
  15. An approximation algorithm a2 - 1 with absolute performance ratio 3 / 4 is proposed and the asymptotic performance ratio of a2 - 1 applied to the problem in which machines require prepare times is 2 / 3. another problem is two parallel machines scheduling to maximize the number of just in time jobs. for this problem we give a polynomial time optional algorithm in the case early penalty is larger or equal to late penalty, and it is proofed to be np - had when early penalty is less than late penalty

    第二章所討論的另一個問題是帶提前和延誤懲罰的兩臺機排序極大化justintime完工工件數問題，當提前懲罰大於或等於延誤懲罰時，本文提出了該問題的一個多項式時間最優演算法a _ （ 2 - 2 ） ，從而證明了該問題是一個p問題，當提前懲罰小於延誤懲罰時，我們證明了該問題是一個np難的問題。
  16. Dr sigman told a children and the media conference at thecommons : screen media must now be considered a major public healthissue andreducing television viewing must become the new priorityfor childhealth

    辛格曼博士在英國國會下院稱： 「目前，電視已經成為公眾健康問題的最大隱患，所以減少看電視時間將優先成為幫助孩子提高身體健康的措施。 」
  17. Dr sigman told a children and the media conference at the commons : " screen media must now be considered a major public health issue and reducing television viewing must become the new priority for child health.

    辛格曼博士在英國國會下院稱： 「目前，電視已經成為公眾健康問題的最大隱患，所以減少看電視時間將優先成為幫助孩子提高身體健康的措施。 」
  18. The dissertation studies how to solve asymmetric information problems for markets and organizations of china ' s transitional economy by designing optimal transaction rules and how to improve the relevant contracting environments by arranging optimal underlying institutions

    本文以中國制度變遷特別是中國公共部門的改革為背景研究市場經濟下當委託人與代理人之間存在信息不對稱時的最優契約安排及其相應的締約環境設計問題。
  19. The method researched resolves contradiction between real - time and accuracy in the operation space, and problem of minimal optimization about time

    研究出的規劃方法可以很好解決在機器人操作空間規劃時，實時性和精確性的矛盾，以及關節空間中的時間最小優化問題。
  20. Some results in time optimal tracing control problem of non - autonomous relaxed system with nonlinear control variables

    具非線性控制變量的非自治松馳系統時間最優追蹤控制問題中的若干結果
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