時空模型 的英文怎麼說

中文拼音 [shíkōngxíng]
時空模型 英文
time-space correlation
  • : 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...
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • 時空 : space time:[相對] space time continuum時空點 event; 時空度量 space time metric; 時空反演 space ti...
  • 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. The paper is based on an arcuated built - up system bridge - zhongshan no. one bridge to be built in guangzhou, adopts the large universal finite element programme ansys, takes spatial action among members into account, establishes a three - dimension finite element model, and discusses the following several aspects : firstly, when three - dimensional finite model of a complicated bridge is founded, a beam - lattice method is a kind of applied and effective spatial analysis method, which is used to analyze superstructures of a bridge

    本文以廣州市中山一橋為背景,採用大通用有限元程序ansys ,考慮構件間的間相互作用,建立了三維的有限元,重點對以下幾個方面進行深入探討:首先,在對復雜的橋梁結構進行三維的有限元建立,梁格法是分析橋樑上部結構比較實用而且有效的間分析方法。
  2. Spatiotemporal chaos control in coupled bistable map lattice systems

    耦合雙穩映象格子混沌控制
  3. And it is nothing other than the new philosophy of the nature whose characteristics are the quantification of substance and the mechanization of the movement that defends the existence and the property of this quantum second, the quantification of substance and the mechanization of the movement which are emphasized by the new philosophy of the nature offers a intuitionistic continuun which takes the extension of the space - time for the birth of calculous

    正是以物質的數量化和運動的機械化為特徵的新的自然哲學為這種量的存在及性質(特別是拓撲性質)和程序化的演算法提供辯護。其次,新的自然哲學所強調的物質的數量化和運動的機械化為微積分的產生提供了以廣延為的直觀連續統。
  4. The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too

    比較了不同測試設備用於螺旋槳脈動壓力測試的優缺點,探討了在減壓拖曳水池中實現實船自航點的方法,並進行了兩只螺旋槳的脈動壓力測試,經與泡水洞中脈動壓力的測試結果進行比較,說明該項測試是成功的,同也對脈動壓力的理論預報結果做了驗證。
  5. Constructing quantitative model with ordinary differential equations for the cell - cycle control system, it is appropriate to use ordinary differential equations ( odes ), because molecular diffusion, transcription, translation and membrane transport seem to be fast ( a matter of seconds ) compared with the duration of the cell cycle ( hours ). spatial localization of reactions can be handled by compart - mental modelling, in the spirit of pharmacokinetics

    對于這樣的細胞周期控制系統,應用常微分方程是適合的,因為比起細胞周期的間(以小計)來,分子擴散,轉錄,翻譯和膜運輸是很快的(以秒計應用藥物動力學的區域化的方法,可以處理反應的間分佈。
  6. Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin

    針對降雨分佈不均勻與下墊面自然地理參數間分佈不均勻,對產匯流形成過程的影響,提出了一種基於柵格的坡面產匯流與河道匯流的數值
  7. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態擬的蒸發器數學,為系統擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態擬。
  8. The thesis focuses on the development of the dynamic simulation model of evaporators, the accomplishment of the stable and dynamic simulation of the parameters of cryogen - side, air - side and how to carry out dynamic simulation on the refrigerating effect of evaporators under different evaporating temperature and the realization of the analyses and calculations of the main parameters, such as, the wind speed of air - side and specific humidity etc, which affect the function of evaporators

    本文重點是對蒸發器建立動態,並對製冷劑側和氣側參數進行穩態和動態擬,同對蒸發器在不同蒸發溫度下的製冷量進行了動態擬,而且對影響蒸發器性能的主要參數(氣側入口風速、入口含濕量等)進行了分析和計算。
  9. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及化特性,齒墩設施與消力池聯合應用的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  10. This article is about the philosophical concept and literary form. for the half - life 2 mod, see dystopia ( computer game )

    這篇文章是關于哲學的概念和文學類。找戰栗二的組,請看反烏托邦(電腦游戲) 。
  11. According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

    根據金魚草幼苗初生維管系統導管分子發育的性,即子葉和子葉節區下部導管分子先形成,然後向下形成下胚軸-根區的導管分子,最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接,據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區
  12. When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale

    除了真外,科學家亦提出其他解釋黑暗能量的理論,這些建基於不同的物理理論或假設,例如超對稱規范理論超重力增加一些小或大的間維數量子力學在彎曲的影響等等,這些理論,返本溯源,其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。
  13. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學、環境場中的噪聲信號(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導擬系統的總體框架,給出各個具體功能塊組成,討論了聲自導系統對信號的域與域處理,並結合擬程序中陣列信號處理塊,給出固定多通道波束形成的擬實現過程; ( 4 )根據系統的與已建立的擬流程圖編制了通用魚雷擬器自導系統擬軟體,通過網路與控制系統相連,組成完整的魚雷擬器。
  14. In view of the drawback of the existing models, a novel geometrical based spatial - temporal hybrid - path channel model is proposed for multiple antennas system

    基於現有的不足,提出了一種基於幾何結構的混合路徑無線通道統計
  15. Unfortunately, the numerating model used in such method is quite different from the actual instance, and the constraints are to o simple, the effects of the side load, elastic modular of the stone body of the foundation and the compatible structural deformation are not involved in. due to the asymmetry of the spatial load, it is quite different between the analysis results and the test data

    這種集中計算方法力學的建立與結構的實際受力情況出入較大,且對邊界條件考慮過于簡單,對邊荷載的影響、基礎巖體彈的影響及結構本身變形協調一致等均未能一併考慮,對于間受力不對稱的狀況,作為二維問題分析計算結果與應力測試結果出入較大。
  16. Secondly, in order to make a deep analysis of c2 system structure, the author made the fire cell and aerial command control centre into the c2 organization nodes, then import into the information flow to analyze the c2 organization network, through which the author constructed a linear programming model to analyze the time consumption of c2 organization. based on object petri network ( opn ), the author also analyzed the c2 organization reconstruction process

    其次,為了深入分析c2系統結構,將火力單元和區域指控中心作為c2組織節點,引入信息流因素對支持網路化作戰的c2組織網路進行了建分析,以c2組織的效性作為目標函數提出了c2組織的一種設計,並研究了通過對象petri網對防網路化作戰中的c2組織動態重組的建方法。
  17. The paper reviews the three pentodes about urban e - government research, narrates the research progress of service functions, sustainable ability, spatial distribution and models, development motives and key functions on urban e - government functionality from the view of home scholars

    摘要回顧國內城市電子政務研究的三個期,評述國內學者對我國城市電子政務的服務職能,可持續發展能力,間格局影響,,發展動力與核心功能5個方面的研究進展。
  18. According to the " solid - particle " theoretical model, a theory model of the dynamic burning - velocity of a rocket - portfire in its igniting delay - time cannulation is established, a theory model of the dynamic delay - time is educed. the factors are analyzed, setting position and shape of a igniting delay - time cannulation that affect its igniting delay - time, the theoretical basis is offered to develop the high - level precision rocket - portfire in the air

    本文根據「固體粒子」效應理論,建立了點火延期管動態燃速數學,導出了點火延期管動態延控制的理論計算,分析了火箭中點火延期管的安裝位置及其形態對其延期間的影響,為高精度火箭中點火具的工程研製提供了理論依據。
  19. Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information

    本文的研究工作主要包括以下五個部分:首先,介紹航發動機常見的磨損故障類,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航發動機滑油光譜分析與鐵譜分析數據,應用、灰色以及組合進行磨損故障的預測方法研究。
  20. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌間耦合振動,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。
分享友人