強耦合理論 的英文怎麼說
中文拼音 [qiángǒugělǐlún]
強耦合理論
英文
strong coupling theory- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 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)
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
- 理論 : theory
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Electric arc furnace ( efa ) system is a complex plant, which exits serious non - linearity, time changing, strong couple. the constant impedance control method, which base on classical control theory has been used widely
電弧爐系統是一個具有較強非線性、時變性和強耦合的被控對象,目前普遍採用的是基於經典控制理論的恆阻抗控制方式。However, due to the elastic deflection and vibration of the links, the flexible manipulator becomes an infinite dimension mimo system with distributed parameters, and is highly nonlinear and strong coupling. therefore, the model and the control of flexible manipulator are of great significance both in theory and in application
然而也正是由於連桿存在彈性變形和振動,使得柔性機械手成為一個高度非線性的、分佈參數的、強耦合的無窮維多輸入多輸出系統, ,因此其建模和控制也具有重要的理論意義和應用前景。While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed
在系統實現過程中,課題首先從天線、陣列天線,以及電磁場計算方法的基本理論著手,分析了天線與拋物面天線的各項性能參數,以及天線的口面場和近-遠區輻射場的特點和計算;進而,更加深入的討論和研究影響天線陣列合成場強的各項因素,包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。In the beginning, the development history and the current development of the technique of fiber detection are introduced briefly. then, discussed in detail are strong coupling theory concerning the fbt coupler and the weak coupling theory concerning the hf acid etching and the side - polishing coupler. from the analysis of fiber coupling equations, the solution of the equation and the formula of the coupling coefficient are derived
本文首先概述了光纖竊聽技術的發展歷程和現狀,有針對性地分析了關于光纖竊聽技術中的光纖耦合問題,並詳細介紹了用於熔融拉錐耦合器的強耦合理論和用於氫氟酸腐蝕與邊研磨光纖耦合器的弱耦合理論;分析了耦合模方程,得出了耦合模方程的形式解,推導出耦合系數的計算公式。There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control , decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象,它們中有些還是具有強非線性特性的對象或多變量耦合系統,採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段,則需要建立被控對象的數學模型,而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。From three - wave coupling equations, the optimal crystal length, conversion efficiency and parametric light pulse width are computed numerically when clbo is used in picosecond optical parametric amplification. the results present that clbo are suited for optical parametric amplification in short wave band. in order to get higher conversion efficiency, the crystal length should be optimized according to the intensities of pump and signal waves
從三波耦合方程出發,對clbo用於皮秒級光參量放大時,最佳晶體長度、轉換效率和參量光的脈沖寬度進行了理論分析和數值模擬,結果表明clbo晶體適合在短波范圍作光參量放大,為達到高的轉換效率和窄脈寬的信號光輸出,泵浦光和初始入射信號光的強度應根據晶體長度取最優化值。This paper proposes the occasional coupling synchronization scheme of the active - passive decomposition ( active - occasional coupling ). this scheme consists of synchronization and autonomous phases. in the former, the synchronization scheme is used to synchronize the drive and the response systems ; in the latter, small errors will lead to the two systems separated from each other and desynchronization. but if the synchronization phases are large enough, the full synchronization will be obtained. the synchronization condition is discussed theoretically. the spatiotemporal chaos in coupled map lattice system is achieved and the synchronization condition is given. moreover, the relation between the synchronization phases and the coupling strength is investigated numerically
提出了離散系統中的主動-間隙耦合同步方法.該方法由同步相和自治相組成.在同步相,同步方案使得混沌系統趨于同步,而在自治相,兩系統間的誤差將迅速放大,導致失同步.但只要同步相足夠大,最終可實現系統的準確同步.還從理論上討論了同步條件,並利用該方法實現了耦合映象格子時空混沌系統中的混沌同步,給出了同步條件以及同步相與耦合強度的關系The aim of this paper is to relate structural inherent characteristic with exterior excitation, to wield experimental mode analysis technique and structure intension theory in order to separate structural leading mode under practical work state on base of spectrum analysis of exterior excitation and identification each rank mode parameter of structure. sequentially, the issue of space complex stress state in effect of static and dynamic coupling transforms into the issue of simple stress state ( under mode form ) in reciprocal effect of each rank mode in order to analyze structural dynamical intensity
將結構本身的固有特性和外部激勵聯系在一起,運用實驗模態分析技術和結構強度理論,在對外部激勵進行譜分析和識別出結構各階模態參數的基礎上,分離出實際工作狀態下結構的主導模態,從而將一靜動耦合力作用下的空間復雜應力狀態問題轉化為各階模態相互作用下的簡單應力狀態(模態形態下)問題進行結構動強度分析。The research on the rf characteristics of the conductor - centered helical groove sws. ( a ) in the " cold " system, we found that the changing of depth of the groove has no distinct effects on the phase velocity at the lower frequency region ; but with the increasing of the frequency, the phase velocity and bandwidth are reduced slightly, the structure is more dispersive and the coupling impedance is enhanced
對具有中心導體軸的矩形螺旋槽慢波系統的高頻特性進行了理論研究: ( 1 )在冷系統中的研究結果表明:頻率較低時,槽深的改變對相速的影響不是很大,隨著頻率的增大相速略有減小,同時帶寬也有所減小,色散變得稍強,耦合阻抗增大。Thus, we have deeply studied the applications of stochastic theory in protein motor and fhn neuron model, and obtained some important results, especially the opposing role of the amplitude and correlation strength in protein transport, the locked phenomenon in fhn neuron model, the dependence of the effect on initial condition, the phase transition and resonance in globally coupled neuron system
為此,我們對隨機理論在生物馬達蛋白和fhn神經模型上的應用進行了較深入的研究,取得了一些有重要意義的成果,特別是發現:漲落勢的幅值和關聯強度對蛋白輸運起著相反的作用;噪聲誘導fhn神經電位的鎖定現象;噪聲關聯導致雙穩系統對初始狀態的記憶功能;噪聲作用下全局耦合fhn神經網路的共振和相變現象。Although the research of industrial robotic manipulators and their control algorithms has had a long history, it ' s difficult to apply many algorithms to real plants because of the high non - linearity, high coupling, time variation of the system, problem in model accuracy, computation consumption and equipment costs
工業機械手及其控制演算法研究已經有了幾十年的歷史。但是由於工業機械手是一個高度非線性、強耦合、時變的系統,模型精度問題、龐大的計算量和設備成本成為了很多理論演算法投入生產實踐應用的「瓶頸」 。The early studies are mostly focused on the method of gluing piezoceramics on structural surfaces, which has some disadvantages such as difficulties to protect the ceramics and the connection wires, bad coupling with only one surface glued on the base materials, low signal - to - noise ratio etc. these problems can be solved using the embedded piezoceramics, and furthermore, the piezoceramics can be placed in the optimal positions, especially in the optimal deepness for the piezo - actuators, according to an optimization algorithm befor e they are embedded, so the actuator effects and sensor signals are thereby enhanced
早期的研究主要集中在表面粘貼壓電片的結構,表面粘貼壓電片具有一些無法克服的缺點。本文著重進行利用埋入復合材料結構的壓電傳感器和壓電驅動器對其振動進行主動控制的相關理論和實驗研究,並介紹其相應結果。埋入型壓電材料的優點主要是能保護壓電傳感器和作動器及其連線、增強壓電材料和基體材料的耦合、優化埋入壓電陶瓷的深度和厚度可增強壓電傳感器的測量信號並提高信噪比等。The unfavorable factors contain complicated production technology and wayward product quality, etc. first of all, on the basis of analyzing performance index of 3 - layer pe anticorrosion, technological process and operational environment, this paper advances the synthetic control schemes that have constant compound control of temperature and feedback control of speed. considering the production process of the 3 - layer pe, because it is affected by colloidized time of fbe, relatively strong coupling exists between the temperature and speed. through the rational matching and simplifying of the variable, the system realizes uncoupling
首先在分析三層pe防腐層性能指標、工藝過程及工況條件的基礎上,提出了溫度復合控制和速度反饋控制的綜合控制方案;考慮到三層pe生產過程中,由於受fbe膠化曲線的影響,溫度和速度之間存在較強的耦合,本方案通過合理的變量搭配,實現兩種變量的解耦;文中還依據傳熱理論、中頻感應理論等提出鋼管傳熱過程理論建模的方法,經實際驗證,表現出該方案和建模方法的科學性和實用性。Theoretical study of the intensity dependence of two - beam coupling gain coefficient in photorefractive crystals
光折變晶體兩波耦合增益系數強度特性理論研究By examining the micro mechanism of photorefractive effect, we can find that an external dc electric - field can greatly alter ( improve or worsen ) the photorefractive properties of sbnrcr. so it is important to study electric - field effects in these materials. in this thesis, the characters of beam coupling and transmission in sbn : cr crystals under external dc electric - fields are investigated theoretically and experimentally
本文依據光折變非線性光學的光波耦合理論和傳輸理論,對sbn cr晶體在外加直流電場作用下的光波耦合特性和傳輸特性進行了理論分析和實驗研究,主要內容包括: ( 1 )從理論上分析了外加直流電場對光折變二波耦合增益的影響,給出了sbn 60晶體的強度增益系數隨外加電場變化的理論計算曲線。In this thesis, by the summarizing and analyzing about the present stability control study state of synchronous generator unit, it is achieved that the governor pss ( gpss ) is more suitable for the stability control of multi - machine system because of its better decoupled character than conventional pss ; the intelligence control theory is more reasonable than conventional methods to design the hydro - generator unit gpss because of the uncertainty of mathematical model of hydro - electricity system caused by intense nonlinear character and time - variant operating mode of hydro - turbine and water - hammer effect of hydraulic system
本文對同步發電機組穩定控制的研究現狀進行了綜述和分析。認為:與常規pss相比,調速器側pss ( gpss )具有良好的解耦特性,更宜用於多機系統的穩定控制;由於水輪機特性的強非線性、工況的時變性以及引水系統的水擊效應所導致的水電系統數學模型的不確定性,採用智能控制理論設計水電機組gpss較常規設計方法更為合理。Because there exists the different strength of coupling between the electron and phonon, there have some different ways, such as the perturbation theory, variation theory, green function theory and the feynman " s path integral approach. they can be appropriately used in different area
Frohlich極化子哈密頓中電子和光學聲子耦合強弱不同,有著不同的研究方法,諸如微擾論,變分法, green函數方法,以及feynman的路徑積分方法,這些方法處理問題的范圍是不同的。( 4 ) after the rationality of numerical simulation has been testified, going along a series of numerical simulation and performance research. firstly, the thermal superposition principle, based on adiabatic heat transfer coefficient and superposition kernel function, is put forward for the research of discrete heat sources ’ temperature field and thermal conjunction effects secondly, decreasing thermal spreading resistance is good for improving the heat transfer performance, and several methods are discussed
第一、在熱疊加原則理論基礎上,利用數值模擬方法研究了固態組件的溫度場和多個分散熱源在熱擴展體上的熱耦合效應,而且證明了強迫對流情況下熱疊加原理形成的溫度場和系統模擬時的溫度場計算結果非常吻合;第二、針對固態組件里集中熱源的特點,對擴展熱阻進行了研究,從理論上探討了減小擴展熱阻改善散熱性能的方法。Secondly, the paper theoretically brings forward the systemic configuration of neural network based visual servo system on the orthogonal coordinate robot based on the internet. the neuron network controller is designed instead of normal robot movement controller, because that the robot control is the nonlinear and strong coupling character
從理論上首次提出了基於網路的直角坐標機器人視覺伺服系統結構,針對機器人運動控制的非線性、強耦合特性,採用神經網路控制器,構建了圖像偏差與運動控制量之間的對應關系。Because the calcining of cement kiln has characteristics of more variables, non - linearity, pure lag, strong coupling etc., controlling cement kiln with traditional control ways is very difficult
由於水泥回轉窯的煅燒過程具有多變量、非線性、純滯后和強耦合等特點,使得採用傳統的控制理論對水泥窯的控制變的十分困難。分享友人