無限模型 的英文怎麼說

中文拼音 [xiànxíng]
無限模型 英文
infinite model
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 無限 : infinite; limitless; boundless; immeasurable; unlimited
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. Uk site for news, information and photographs of the fascinating and colourful diecast model hong kong buses produced by corgi, efe, collector s model, and abc models

    -專業軌道車站點,提供四驅車三輪車改裝與比賽的全方位資訊,並設有軌道車論壇及網上商城
  2. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了長板的具有吸收邊界的二維平面應變有,在研究了脈沖超聲波在長板中傳播的基礎上,對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  3. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵,在知識指導下,提出了一種基於目標特徵的降維的形態學分形維數計算方法,對傳統分形方法進行了改進,從理論上推證了演算法的合理性,並對演算法進行了擬分析;針對傳統hough變換法獲得線段端點和長度信息的局性,提出了一種基於目標特徵先驗知識的hough變換融合策略,通過引入目標先驗知識,可以有效地獲得直線信息;對信息多而復雜的機場目標採用基於知識的目標識別方法,使用置信度摘要實現不確定推理,對目標進行識別判斷,將知識貫穿于整個識別過程中,對目標進行了有效地識別。
  4. Finite volume method is appilied in numerical modeling of the flow in no - pressure tunnel of high water reservoir in this paper. i select standard k - turbulence modeling that put forward by launder and spalding in 1972 by weighted poly - turbulence modeling. the difficulty is that there is free surface in flow, but free surface problem ' s calculating region is indefinitely

    本文利用有體積法對高水頭下水庫壓泄水洞水流進行了紊流數值擬,根據多種紊流的優缺點進行比較,選擇了launder和spalding於1972年提出的標準的k ?紊流
  5. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已有研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上,提出了廣義雙層地基的概念,並把半體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和有單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  6. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種荷載工況作用下粘結筋極應力增量的變化規律,並與理想的彈塑性相比較,最終得出以理想彈塑性計算各種荷載工況作用下粘結筋極應力增量的回歸公式,從而為預應力混凝土多跨連續結構的粘結筋應力設計計算提供有益的參考。
  7. This model helps to make a non - linear finite element program which is tested and verified by the example in umt

    在此基礎上,建立了城市軌道交通橋梁縫線路縱向力的空間一體化力學,編制了非線性有,通過實例進行了驗證。
  8. 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數?紡織服裝指數( 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函數等理論做實證分析,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策略之間的制度安排;並圍繞雙方的利益分配,研究了有回合和回合合作談判博弈,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著手,在一些特定條件的制下,給出了一個相應的投資組合
  9. 4. from the point of view of inverse problems in mechanics, two trains of thought for solving ics / ibs computative problems, i. e : by means of intelligence computation method without geometrical modeling and by the aid of finite element inverse analysis method with geometrical modelingare expounded. by comparing these two methods, a feasible, integrated and modularized solution

    從力學反問題的角度出發,闡述了智能橋梁結構的智能計算問題的兩種西南交通大學博士研究生學位論文第n頁思路一一力學反問題的計算智能法解決思路以及有力學反問題的有元法解訣思路。
  10. There is limitation in model based on support and confidence measure, thus interest measure model based on effect is given in this dissertation, which is used to prune the no - interest rules in order to discover the real interest rules mode

    基於支持度和信任度的框架有一定的局性,本文在此框架中引入了基於影響的興趣度,用來修剪趣的規則,從而篩選出用戶真正感興趣的規則式。
  11. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和應變疲勞的有,使用基於晶體滑移的數值方法,對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些法試驗觀測的變量進行計算,分析它們對晶體塑性變形的不同影響。
  12. Aimed at multiple - limit, multiple - object, non - linear, discrete of voltage / var optimization and control, on account of whole evolution of evolutionary programming, no demand for differentiability of optimal function, and random search, it can obtain global optimum with mayor probability, this paper solve optimal function with evolutionary programming

    在對優化的具體實現過程中,由於進化規劃著眼于整個整體的進化,對于所求解的優化問題可微性要求,採用隨機搜索技術,能以較大的概率求解全局最優解的特點,針對電壓功控制是一個多制、多目標、非線性、離散的優化控制問題,因此應用進化規劃演算法進行的求解。
  13. The layered combined finite element model is taken in the finite analysis of concrete and bonding bar. in the nonlinear analysis ofunbonded prestressed concrete, the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress

    在有元分析中,混凝土和粘結鋼筋採用分層組合式的有,在粘結預應力混凝土的非線性分析中,將粘結預應力筋對混凝土的作用,借鑒預應力的荷載平衡法,用其等效力來代替預應力作用。
  14. Chapter three analyses the suitable pricing model of our country ' s mbs, and by studying secular trend and fluctuation of risk free interest rate and the term structure of interest rate of national debt, i propose an option model based on floating interest rate mbs which will be issued in our country. next, cash flow current value method is used to carry out the empirical test

    第三章分析了適合我國住房抵押支持證券的定價,通過研究我國風險利率長期趨勢值、波動性以及國債利率期結構,提出我國發行浮動利率抵押支持證券的期權定價,並應用現金流現值定價法對我國發行固定利率住房抵押傳遞證券的定價進行實例分析。
  15. According to the test result, the mechanism of inorganically post - installed bars with cone - shaped heads was analyzed. and then the anchor intensity formula was formulated. the inorganically post - installed bars with cone - shaped head was carried on the finite element analysis on the spatial axial symmetry model

    根據試驗結果,對帶錐頭機植筋的受力機理進行了理論分析,推導出帶錐頭機植筋的錨固強度公式,並利用空間軸對稱對帶錐頭機植筋進行了有元分析,提出了利用桿單元擬鋼筋與混凝土之間的粘結滑移關系的方法。
  16. The finite element model is built for the axial magnetic field of the cup vacuum interrupter contacts without iron core and with two kinds of iron core. the calculation and analysis of the three - dimension axial magnetic field distribution characteristic on the axial magnetic field of cup the vacuum interrupter with iron core are carried out for the first time

    鐵芯及兩種鐵芯結構的杯狀縱磁真空滅弧室觸頭建立了有,首次對有鐵芯的杯狀縱磁真空滅弧室進行了三維縱向磁場分佈特性的計算與分析。
  17. In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods

    而精確預測線電波傳播路徑損耗特性,則為合理的微蜂窩線網路規劃、設計提供了必要條件,同時也是研究微蜂窩移動通信系統性能的前提。線電波傳播預測的方法分為兩類:一是用沖激響應法,即根據實驗、統計所得數據建立經驗性傳播預測;另一種是用射線跟蹤方法,即依據理論分析來建立確定性的傳播預測。本文首先討論了在地球表面均勻大氣中的線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測,並指出了這些經驗性傳播對于微蜂窩小區線電波傳播特性研究的局性。
  18. Accordingly ray tracing model for microcells propagation prediction has become an important subject. this paper discussed the characteristic of propagation in symmetrical atmosphere on the earth, and introduced several kinds of traditional path loss propagation model in land mobile communication system, also pointed out the localization of these models based on experiential methods

    本文首先討論了在地球表面均勻大氣中的線電波傳播的基本特性,介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測,並指出了這些經驗性傳播對于微蜂窩小區線電波傳播特性研究的局性。
  19. Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )

    本文沿著理論研究與工程實際相結合的設計思路,較為系統和全面的研究了非線性預測控制理論,提出改進新演算法;探討了非線性預測控制理論在自主水下航行器控制系統設計中的應用,豐富和發展了預測控制理論,本論文的主要工作及意義有以下幾個方面: 1 )從工程應用的角度研究有終端約束廣義預測控制穩定性充分條件,為有約束廣義預測控制穩定性研究奠定了基礎。
  20. Aimed at the structural features of sley sword, sley and reed, a 3d finite element analytic model was established for the sley sword, sley and reed

    摘要根據梭織機筘座腳、筘座、鋼筘的結構特點,建立了筘座組合體三維有元分析
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