時變模式耦合 的英文怎麼說

中文拼音 [shíbiànmóshìǒugě]
時變模式耦合 英文
time dependent mode coupling
  • 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...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 耦 : Ⅰ動詞[書面語] （兩人並耕） plough side by sideⅡ名詞1 （古農具名） plough2 [書面語] （兩人一組） a...
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 模式 : model; mode; pattern; type; schema
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. 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模型，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模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時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模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空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模擬。
  2. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  3. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中，針對世紀塔變截面的塔身，曲線軸線的拱以及柔性拉索相互耦合時清況，建立兩種有限元計算模式，利用有限元軟體algorfeas得到動力數值分析的結果，如：自振頻率、振型、動位移、動應力等等，再和振動臺試驗研究成果作比較，得到一些重要的結論，從而為南京世紀塔工程的設計和施工提供強有力的依據，而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  4. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  5. The model is mainly for assessing the effects of climate change on hydrology and water resources. the huaihe river basin with the area of 270, 000 km2 is selected as the research area

    所建模型主要供評價氣候變化對水文水資源影響之用，同時也為陸氣耦合所要求的水文模式作初步探討。
  6. The thesis deduces the generating functional of proper vertexes and brst transformation of the system of matter field coupling to non - abel gauge field, gives noether conservation charge of brst transformation, shows up the model ' s brst transformation when the gauges are lorentz, coulomb and radiation gauges, respectively, finishes the brst quantization of ghost field in ( 1 + 2 ) dimensions model with non - abel chern - simons term coupling to the scalar field, achieves the lagrange density and hamilton density under brst transformation

    導出了物質場與非abel規范場耦合系統的brst變換以及此變換下的ward恆等式和正規頂角的生成泛函，給出了其brst變換下的noether守恆荷。針對lorentz規范、庫倫規范、輻射規范三種情況分別給出了此模型的brst變換，並得到了自洽的結果。完成了（ 1 + 2 ）維時空中非abelchern - simon項和標量場耦合系統中鬼場的brst量子化，得到了brst變換下的noether荷和其對應的拉氏量和哈密頓量。
  7. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和輸出功率，用fox - li迭代法求出反射鏡上實際的光強分佈和熱源，得到鏡面的位移變形和單程附加相移，以zernike多項式擬合單程附加相移，分別用迭代法和幾何法計算了腔鏡變形時的腔模光場，建立了光學元件對光束質量影響的評價因子，研究腔鏡冷卻效果和冷卻方式，對輸出耦合鏡的變形進行了分析。
  8. When the isotropic waveguide is under the isotropic disturbances, the coupling term due to polarization, which is presented in the coupled - mode theory of the wei - ping huang, is n ' t included in this rigorous vectorial coupled - mode theory, exactly, the rigorous vectorial cmt does n ' t contain the coupling term due to polarization which is include in the scalar coupled - mode theory because this term is counteracted with the other coupling term neglected under weakly guiding approximation. as for anisotropic disturbances, we get the coupled - mode equations with arbitrary dielectric tensors. from them, we obtain the coupled - mode equations of the slowly varying term c ( z ) which is more simplicity

    當受到各向同性微擾時，我們發現嚴格的矢量理論所得到的耦合系數表達式中並不包括wei - pinghuang的理論中的偏振耦合項，更確切的說，偏振耦合項正好與因弱導近似而忽略的項相抵消，這就是標量理論所得到結果（有偏振耦合項）與矢量理論在標量近似下的結果（不含偏振耦合項）不一致的原因所在；當各向異性微擾時，我們得到了包含微擾介電張量各個分量的橫電磁場耦合波方程，討論了微擾介電張量各個分量對耦合的影響，而且從橫電磁場耦合波方程出發得到了形式更加簡單的只含有橫電場系數的緩變分量c _ （ z ）的耦合波方程和耦合系數表達式，並以弱導近似下的單模光纖兩正交偏振模耦合為例對耦合系數在不同條件下的取捨做了定性的分析。
  9. The efficiency of institutional change lies on the coupling extent of market mechanism and macro - policy, therefore how to reduce the cost of institutional change, how to shorten the duration of institutional innovation, and how to bui ld the effective pattern of the grain market - oriented reform, and so forth, these issues " essential rests with whether the economic main body have impetus to stand by the institutional arrangement according to government thought at the given seedtime

    糧食制度變遷的效率取決於市場運行機制與宏觀政策的耦合程度，因此，如何減少糧食制度變遷的成本、如何縮短糧食制度創新的時間、如何建立有效率的糧食市場化模式等一系列問題的實質在於：在特定的糧食發展階段上，經濟主體是否有動力按照政府的思路去遵守糧食制度安排。
  10. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。
  11. Describes the observer pattern as defining " a one - to - many dependency between objects so that when one object changes state, all of its dependents are notified and updated automatically. " the observer pattern enables loose coupling of components ; components can keep their states synchronized without necessarily needing direct knowledge of each other s identities or internals, facilitating component reuse

    ）把觀察者模式描述為：定義對象之間的「一對多」關系，這樣一個對象改變狀態時，所有它的依賴項都會被通知，並自動更新。觀察者模式支持組件之間的鬆散耦合；組件可以保持它們的狀態同步，卻不需要直接知道彼此的標識或內部情況，從而促進了組件的重用。
  12. As an organism of structure and function, the compound ecosystem of basin is not only a multi - layer and multi - variable system also a harmonic time - space system. in such system each factor includes the scale changing, evolvement rate and exchanging pattern of substance elements embodied by structure forms and information elements embodied by function ability. all these factors will affect the comprehensive function of system seriously

    3 、分析了流域復合生態系統作為一個結構和功能、時空相協調的耦合系統，系統中各要素，包括體現為結構形態的物質要素和體現為功能性質的信息要素等摘要的規模變化、演變速度、轉化形式都將影響著整個系統的綜合功能。
  13. With the consideration of the vertical wave effect of soil and soil - pile interaction, an approximate analytical solution to vertical vibration of pile system with variable impedance in visco - elastic layered soil is developed. a simplified and practical mathematical model for interaction between soil layers is proposed, and its applicability is theoretically investigated. based on this model and by using laplace transforms and the transmit property of impedance function, the analytical expression of the impedance function and solutions of the displacement and velocity response function in frequency domain and in time domain at the pile head are derived

    4 、從三維軸對稱土模型出發，對考慮樁土耦合作用、土層層間聯系以及樁周土豎向應力梯度變化條件下的成層粘彈性土中完整樁及變阻抗樁系統縱向振動問題進行了研究，提出了成層土中變阻抗樁系統縱向振動問題的近似解析解法和樁周土層層間相互作用的簡化而實用的數學模型，並利用拉氏變換和阻抗函數的傳遞性，獲得了成層土中任意段變阻抗樁樁頂阻抗函數的解析表達式，以及樁頂速度導納和時域速度響應解析解和半解析解。
  14. The results show that although there are somewhat systematic errors in the coupled model, the model simulates the basic features of seasonal cycle and interannual variability of sea surface height to the considerable extent, in order to examine the impact of indonesian through flow ( itf ) on the seasonal cycle and interannual variation of sea surface height, a sensitivity experiment is accomplished, in which the indonesian passage is closed fully in the coupled model

    結果表明，盡管耦合模式存在一定的系統誤差，但仍然能相當程度上夠模擬出海面高度季節和年際變化的基本特徵。同時為檢驗模式中印度西亞穿越流（ itf ）對海面高度季節和年際變化的影響，本文還進行了印度尼西亞海道完全關閉的敏感性試驗，與控制試驗結果對比表明，印尼穿越流對季節變化的影響不大，但可以顯著影響熱帶太平洋和印度洋年際變化的特徵。
  15. First, because pipelines are so complex that controlled object is high order, delay, coupling, nolinear and time - varing, it is difficult to realize closed loop control for it using valid mathematic model. to resolve this problem, the paper presents a fuzzy - pid control algorithm with self - adjusting regulation factor. second, if a moving motor supplied by inverter power is switched to be supplied by power supply, the impact of overload - voltage and overload - current appears

    主要針對中、大容量供水系統中，由於供水管網鋪設復雜、彎管多、控制對象具有高階、滯后、耦合、非線性及參數時變的特點，難以利用有效的解析式數學模型進行閉環控制，以及多臺水泵並聯運行時，水泵電機由變頻電源供電向工頻電源供電切換過程中產生的過電壓過電流沖擊這兩個難題，提出了可調整因子fuzzy - pid控制演算法及利用鎖相環控制實現水泵電機由變頻電源向工頻電源的同頻同相平滑切換。
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