策略函數 的英文怎麼說

中文拼音 [lüèhánshǔ]
策略函數 英文
policy function
  • : Ⅰ名詞1 (通「冊」 古代寫字用的竹片或木片) bamboo or wooden slips used for writing on in ancient ...
  • : Ⅰ名詞1 (簡單扼要的敘述) summary; outline; brief account; résumé: 節略 memorandum; aide mémoire;...
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 策略 : 1 (制定的行動方針和斗爭方式) tactics 2 (講究斗爭藝術) tactful 3 [數學] (對策) policy; strat...
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )根據不同的前提條件,採用似然比的方法推導了寬帶匹配場反演的最大似然目標;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參反演的敏感性之後,提出了淺海環境參寬帶匹配場反演的多步優化,並與全參反演方法進行了性能上的模擬比較。
  2. On the basis of analyzing limitation of using penalty function method dealing with constraints, an amending method based on the knowlege regulating strategy is suggested to amende the mapping relationship of infeasible constraints in decoding, thus making the regulated individuals map into the space to obtain the most promising optimal solution

    在分析懲罰法對約束處理效率較低的情況下,提出了一種基於知識調整的修正法,對解碼中不滿足約束的映射關系進行修正,使調整后個體映射到最有希望獲得最優解的空間中。
  3. This dissertation can be divided into three parts as following : focusing on institutional risk control, this dissertation demonstrated the effect of institutional risk on dis " objects by analyzing the relationship between deposit insurance and financial development, financial stability and market discipline, in light of foreign or native primary theory and empirical results of dis. in virtue of statistical method and with the theory of game, this dissertation explored the cause the institutional risk such as moral risk and adverse selection, on the basis of which discussed the approach of controlling institutional risk and proper deposit insurance pattern. because deposit insurance assessment is the core of institutional risk control, this dissertation introduced and discussed deeply the passive casualty - insurance model, the option - pricing model, the game - theory - based pricing model, and reasonable pricing interval, and put forward the hierarchical pricing strategy of dis on the balance of information confiscatory and risk - based - assessment necessity

    本文以存款保險制度風險控制為中心,在借鑒國內外關于存款保險制度的基本理論和實證的基礎上,通過分析存款保險與金融發展、金融穩定和市場懲戒等方面的關系,論證了存款保險制度風險對存款保險制度目標的影響;並藉助統計學的方法,運用信息博弈論的觀點,從主要制度參與者? ?投保機構和存款保險機構? ?的效用出發,對存款保險所引發的道德風險和逆向選擇等制度風險的成因進行深入的剖析,探討有效控制制度風險的途徑和制度參的安排模式;由於存款保險定價是制度風險管理的核心問題,本文還專門對意外存款保險消極模型、存款保險的期權定價模型、基於信息經濟學的存款保險定價模型以及合理定價區間等定價模式進行深入分析和詳細評述,闡述各種定價思路的局限性和可能運用的空間,通過權衡信息的充分性和風險定價的必要性,提出存款保險制度的層次性定價
  4. On the basis of essential nonlinear characteristics in municipal wastewater biology treatment process, control strategy of fuzzy self - revised method based on neutral network is adopted and some different degree of membership functions which will influence on control error are compared in order to improve control prevision

    摘要針對城市污水生物處理過程存在的本質的非線性特性,採用了基於神經網路的模糊自校正方法的控制,同時為了提高控制的精度,比較了各種不同的隸屬度對控制誤差的影響。
  5. On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd

    本文主要從理論和應用兩方面對預測控制方法進行了研究,理論方面主要是從預測控制的基本原理出發,研究了一般情況下的基於狀態空間描述的預測控制,並通過計算機模擬驗證了pfc演算法比常規pid演算法具有更好的魯棒性和抗干擾性:在實際工業過程的應用上,又分為兩類演算法及軟體的應用,預測控制及apc - pfc軟體的應用主要以聚乙烯氯化過程的溫度控制和青霉素發酵過程的ph值控制為主,多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。
  6. In the 4th section we study the optimal consumption and portfolio wher e the stock price with mixed jump - diffusion process, and get the explicit solution of this problem with maximum expected uti1ity ( uti1ity function with constant coefficient and risk averseness ). in the 5th section of this thesis give an concrete example, consider optimal consumption and investment tactics with jump events, and get the optimal consumption and portfolios under maximize expected utility ( risk detesting utility function with constant coefficient etc. )

    第四章考慮了股票價格的動態過程基於復合跳躍? ?擴散過程下的最優消費及投資,並求出了期望效用(常系風險厭惡型效用)最大化下的最優消費和投資組合。第五章考慮了由於外部事件的影響導致股票價格的動態路徑出現跳躍時的最優消費及投資,並求出了期望效用(常系風險厭惡型效用)最大化下的最優消費和投資組合。
  7. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指?紡織服裝指( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。
  8. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制,即在粒子徑向所受束自生場力方程的右邊加上非線性控制g :並選取一些非線性如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制效果。
  9. This paper shows that the functional mapping provides a useful quantitative and testable framework for assessing the interplay between gene actions / interactions and developmental patterns

    筆者提出的作圖將提供一個研究基因作用及互作與發育模式之間有效的量化檢測平臺。
  10. The strategy on repair and reinforcement on steel crane girder structures in service based on fatigue dynamic reliability is analyzed in the paper. considering the benefits of repair and the long - term economic affection after repair and reinforcement, using the fatigue dynamic reliability as constraint condition, thinking of that the sum of benefits of repair and reinforcement as object function, the optimization model is put forward. then it is used to an certain crane arc ends repair an reinforcement

    5 、基於疲勞動態可靠性,對在役鋼結構吊車梁的維修加固進行了探討,考慮維修加固效益和維修加固后的經濟影響,提出了以疲勞動態可靠性為約束,以維修加固總效益為目標的優化決模式,並通過某鋼廠圓弧端吊車梁的維修加固實例驗證,可為工業建築吊車梁的設計,管理和維護提供依據。
  11. In chapter two, the general model of the optimum investment, consumption and periodical insurance payable at death for life is discussed and its corresponding optimum control question is solved. the optimum strategy can be got through the corresponding hib ( hamilton - jacobi - bellman ) equation. as to the crra ( constant relative risk aversion ), a sort of utility function, indicatively, the optimum investment process, consumption process and the periodical insurance payable at death for life purchasing process can be gained with the feedback form

    第二章討論最優消費、投資、定期人壽死亡保險的一般模型,解決了對應的最優控制問題,最優可通過求解hjb ( hamilton一jaeobi一bellman )方程得到,當效用為crra (常相對風險厭惡)類型時,顯式地得到具有反饋形式的最優投資過程、消費過程及定期人壽死亡保險購買過程。
  12. In chapter 6, a joint power control algorithin based on game theory using the concept of the joint power control is put forward. the simulation results show that the joini power cothel algorithin can improve the signal - to - interference boo of the system and increase the capacity of system

    在第六章中,繼續將這種聯合功率控制的思想應用到採用一定成本的功率控制演算法當中,提出了基於博弈論的聯合功率控制演算法,並討論了該演算法在實際工程應用中的實現
  13. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網等,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參進行了值模擬,並提出了抑制措施(如雙重濾波、優化判決門限、選擇恰當的復用波長) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法,提出了以節點度、每個波長分層的空閑光纖以及路由決定的幾種鏈路權重,利用基於波長分層圖模型的并行r場人演算法模擬,利用新的鏈路權重使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  14. ( 3 ) by the optimization experiments on several kinds of standard test functions, the calculation of off - line performances and the comparisons to another optimization algorithm, the effectiveness and the superiority of iga are got. ( 4 ) multi - object strategy that consists of the joints " best compliance critic and the location critic is proposed to uniquely determine the inverse kinamatics solution in planar redundant manipulator trajectory planning. next, by the introdu

    3 、通過對兒類標準測試的優化實驗、優化離線性能的計算和與其他優化方法尋優效果的對比表明了的有效性和優越性; 4 、針對冗餘度機械手的軌跡規劃問題,提出了融合關節最佳柔順性準則和定位控制準則的多目標,從而在理論上保證了運動學逆解的唯一性。
  15. On different utilities, asymptotic behavior of optimal policies is studied for either very small or very large wealth

    進而,刻畫了不同效用下投資者最優當財富特別多或特別少時的漸進特徵。
  16. The paper point out that the most important risk is the redeem risk in the management of the open - ended fund, so the fund manager can reply on the management of redeem risk to the liquidity risk. according to the specialty management in the liquidity risk of the open - ended fund, there are three aspects : the first is that the fund holder structure problem ; the second is the restriction of the fund investment object and the problem assets assignment

    然後利用我國開放式基金的據,通過granger因果關系檢驗得出了股票指對開放式基金贖回風險有顯著影響的結論;由此構建出開放式基金的贖回資金量和流入資金量,並且得出相應的留存現金的決模型和應對贖回風險的,並指出基金經理可以通過資產和負債兩個角度來對開放式基金進行流動性風險的管理。
  17. Under the assumptions that product demand is price - dependent and allowable shortage, the inventory and sale model is established by dynamic pricing approach, in which the time value of money and reservations may cancel advance orders is included, and the validity is verified by numerical examples

    摘要在需求率是價格的,允許缺貨的條件下,採用動態價格,考慮允許顧客取消預訂和貨幣時間價值的影響,建立一個庫存銷售模型,並用值實例驗證模型的有效性。
  18. Two convergence theorems, which show that under suitable conditions evolution strategy asymptotically converges to a global minimum point with probability one, are given

    對于有界閉集上的連續,證明了進化以概率為1收斂(幾乎處處收斂)于優化問題的全局極小點。
  19. Following this idea, considering the serious information asymmetry and personal expect utility maximization in the double auction, we intends to construct a bidding model on bayesian nash equilibrium based on incomplete information games, consequently obtain a solution on each private values and maximum forecast price and minimum forecast price on the marketing. then, we analyze in detail the characters and possibilities of the offer strategy by means of computer simulation according to the experimental economics

    在此基礎上,考慮到雙向拍賣中存在的信息嚴重不對稱和個人期望效用最大化,構造了該拍賣模式中基於不完全信息博弈的貝葉斯納什均衡模型並求解,獲得一個關于各自估價和市場最高及最低預測價格的線性的報價
  20. Taking advantage of the quick response of expert control and the better robust ability of predictive function control, this paper advances a selective control strategy based on expert control and predictive function control, and proceeds to put it into use in the electric heating oven system

    摘要利用專家控制響應迅速及預測控制具有較強魯棒性的特點,提出了專家控制和預測控制的選擇性控制,並將其應用到電加熱爐系統中去。
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