時移運算元 的英文怎麼說

中文拼音 [shíyùnsuànyuán]
時移運算元 英文
time-displacement operator
  • : 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...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • 運算 : [數學] operation; arithmetic; operating
  1. But when sampling rate is high, most traditional digital signal processing and control algorithms are inherently ill - conditioned. considerable progress has been made by the use of delta operator on ameliorating ill - conditioning problems

    研究結果表明,當采樣頻率很高,傳統的信號處理和控制方法存在著不可避免的缺陷,而採用delta描述代替描述方法可以適當地改善這些缺陷。
  2. 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法的改進型式?單染色體遺傳演法( pga )的基本理論,提出一種基因聯合,證明了演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,針對生產中總間最短和jit兩種生產性能指標,給出了具體的解決方案及過程。
  3. We detailed toeplitz operator with unomodular symbol, and generated the theorem proved by michael sand in [ 2 ] from h to h + c ( t ). in the second part of this paper, the author discussed simply when multipliction of two toeplitz operators with symbol in h + c ( t ) or in l. we got two conclusions by analyzing symbol of toeplitz operators. the last, we investigated whether multiplication of two toeplitz operators, which range included all non - cyclic vectors of backward shift, is surjective, and partly answered the question about surjective toeplitz algebra posed by michael sand in [ 2 ]

    對于單個的toeplitz,考慮其符號的內外分解,得到了它的滿射只與其幺模部分有關的結論,詳細地討論了符號為幺摸函數的toeplitz的各種情況,在討論符號在h ~的特殊情形,推廣michaelsand [ 2 ]中的定理2到h ~ + c ( t ) ,第二部分簡單地討論了符號在h ~ + c ( t )以及l ~中的兩個toeplitz的乘積的滿射情況,先對toeplitz的符號進行分析得到兩個結論,最後考察了toeplitz的乘積的值域包含后的所有非循環向量的滿射情況,部分地回答了michaelsand在[ 2 ]中提出的toeplitz代數滿射問題。
  4. Thirdly, decrease the difficulty of the character recognition through studying the method of character preprocessing ; at last, some effective methods of feature extraction, such as the one based on image transform with the invariant features which keep stable while the picture move, rotate and zoom in or out, and the other focused on the shape of character and features of direction

    三、深入探討了字識別的預處理方法,減少字識別量和難度。四、討論了三種特徵向量的提取方法,一種是基於平、旋轉和尺度不變性的圖像變換法,一種是計中心矩的方法,再就是強調字形狀和結構的方向特徵量提取法,實驗中通過最小距離法進行字的分類識別,匹配間少,識別率有所提高。
  5. 2. based on the muller - breslau principle, formulars of equivalent nodal loads for the curved - and straight - beam element while occuring unit relative constrained displacement have been deduced. the influence surface of the internal force for grillage has been analyzed by combining kinematic method with finite element static method, using the superposition principle applied to little deformation

    根據米勒-布雷斯勞原理,推導了曲梁、直梁截面發生單位強迫相對位的等效結點荷載計公式,用小變形的疊加原理,將梁格機動分析與梁格有限靜力分析相結合建立了內力影響面。
  6. This thesis discussed the affection of all kinds of components contingency and the components " position in the line and other factors on the evaluation of load point reliability index. this thesis adopts a integrative method to deal with simple or complex distribution network with the system ' s practical operation characteristics and the results of the example reveal that it is feasible. the key to study the economics of power system reliability is outage costs

    在定量評估負荷點或系統可靠性指標的研究中,本文較全面地分析了各件故障和件在線路中的位置以及計劃檢修、臨停電、天氣因素、負荷轉等因素對估負荷點可靠性指標的影響;研究了現有的可靠性評估模型,結合城市電網的實際行特點,採用一種綜合的方法估輻射型電網的可靠性指標,例結果表明它是有效可行的。
  7. The mechanism is divided into finite elements and researched by ked method. then kinematic differential equations are established for each element and the general kinematic differential equations are built through assembling all the elements. a closed numerical method based on the mode superposition principle is employed to solve the equations

    將四連桿機構劃分為多個有限單,建立其單動微分方程和系統動微分方程,用實振型疊加法的閉式演法求出機構在一個動周期中各個廣義坐標方向的彈性位,同求出機構不同位置各構件上動應力分佈情況、機構前四階振型變化情況。
  8. Jmeta is a distribution metacomputing framework facing the heterogeneous network. with the ability of os independence and dynamical self - organizing provided by java and jini, jmeta make a good job in resolving the problem of heterogeneity and partial failure. and jemta make the metacomputing more effective with three compute models : code download computing, remote computing and mobile agent computing

    Jmeta是一種網路平臺異構的分散式架構。利用java的平臺無關性和jini的動態自組織能力,他能較好的解決計平臺異構和網路部分失敗的問題,通過下載計,遠程計動代理計三種計模式進行高效的
  9. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,用空間有限方法,進行地震作用計。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位」 、 「層間位角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6,結構有利於抗震;水平地震作用力與整體坐標夾角為0度,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「程分析」法進行地震作用計,兩種方法所得結果基本一致。
  10. With the algorithm, fairing and uniform meshes are obtained by moving each vertex in normal direction and tangent plane simultaneously. an algorithm of feature enhancing and mesh smoothing is studied. the algorithm is based on iterative use of diffusion of normals and vertices

    融入平均曲率光順思想,對拉普拉斯進行改進,通過在法矢方向和切平面上同對網格頂點進行動調整,較好地達到模型外形光順、三角片形狀比較均勻的要求。
  11. This paper sums the situations and trends of domestic and international engineering machinery firstly, discusses the demands and implements of intelligent and long - range monitoring and controlling, and constructs a three - layer model of the engineering machinery long - range monitorin and control system : the front unit control systems, the machine - mounted monitoring system and the long - range control center ; proposes a kind of structure of embedded system based on c / os - ; dissects the characteristics, structure, operation and schedule principle of c / os -, modified the kernel, and improves dependability of the schedule algorithm ; designs the hardware in detail : the microprocessor at91rm9200, the store unit, the serial interface, the human - computer interaction interface, the can bus control module, the debug interface and the reset circuit etc. ; on this basis, succeeds in transplanting c / os - to the system, sets up the operating system framework, designs the driver, sets up the institutional framework of upper user ' s application, provides the method and concrete application process of the graphical user interface module based on c / os -. the system designed in this paper, not only has the functions of local control, friendly human - computer interface, but also has various interfaces which make the system can be managed by the long - rang center

    本文首先綜述了國內外工程機械行業發展的現狀和趨勢,闡明了實施工程機械智能化及遠程監控的意義和需求,並為此構建了工程機械遠程監控系統三層結構模型:前端單控制系統、車載監控系統和遠程監控中心;提出了一種基於c / os -的嵌入式車載監控系統構建方案;深刻剖析了c / os -的特點、內核結構、作機理、調度演法,在此基礎上對其內核進行植前的必要修改,並對其調度演法進行了可靠性改進;對構成嵌入式系統硬體的各個主要部分:嵌入式微處理器at91rm9200 、存儲單、串列介面、人機交互介面、 can總線控制模塊、調試介面以及復位電路等做了詳細的設計;在此基礎上,成功地將c / os -實內核植到本文研發的嵌入式硬體系統中,建立了車載監控系統的操作系統體系結構,編寫了該操作系統的底層硬體驅動程序,建立了上層用戶應用程序的組織結構,並給出了圖形用戶界面模塊化應用程序在c / os -操作系統上的建立方法和具體應用過程。
  12. Aiming at the difference between the urban traffic network and the isolated intersection, designing the double flcs system, and real - timed optimizing the sequential membership functions of the inputs and output of the secondary flc. explaining the coding scheme, fitness function, ga operator, etc details. the effectiveness is proved by the simulation result of matlab

    3 、將研究對象從孤立交叉路口轉到整個城域路網(多交叉路口)上,針對城域路網不同於孤立交叉路口的特點,設計了雙模糊控制系統,並根據路網車流量的變化,用ga對輔助模糊控制器( secondaryflc )的輸入、輸出量的連續的模糊子集隸屬度函數進行實優化,詳細闡述設計思想、編碼方案、適應度函數的選取、遺傳的改進等細節問題,模擬證明該自適應雙模糊控制系統的有效性。
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