橫激模 的英文怎麼說
中文拼音 [héngjīmó]
橫激模
英文
transversely excited mode-
Therefore, it is of great significance to research the simulation technology of the high power crosscurrent co2 laser
因此,高功率橫流co _ 2激光器模擬系統技術的研究具有重要的理論意義和實用價值。The dissertation takes 2 kw crosscurrent co2 laser for example, aiming to develop three simulation sub - systems of high power crosscurrent co2 laser
以2kw橫流co _ 2激光器為研究對象,開發了2kw橫流co _ 2激光器模擬系統的三個子系統。They can simulate the temperature field of the 2 kw crosscurrent co2 laser, draw some relative function charts and display the laminas of cooling fans in three - dimensions
分別模擬2kw橫流co _ 2激光器箱體溫度場的分佈情況、繪制若干相關的函數圖象和以三維圖象顯示風機葉輪的幾何形狀。The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes
本文就是在此背景下,利用金屬波導和單軸晶體的一些特性,結合麥克斯韋方程組和波導的邊界條件,從三種不同的情況研究了光在對稱平面單軸晶體金屬波導(波導層是單軸晶體,兩個波導界面均為金屬)內的傳輸特性,其主要貢獻為,首次解析地得到了這種波導結構下模式場的精確解,並發現了一些有用的特性: ( 1 )模式場的性質因單軸晶體的性質不同而異; ( 2 )當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時,波導中傳輸te波和tm波,只不過其主模因單軸晶體的性質不同而異,當波導層介質為負單軸晶體時,波導主模是te波主模,而波導層介質為正單軸晶體時波導主模是tm波主模。 ( 3 )當單軸晶體光軸位於波導面內時,對于正單軸晶體,波導的主模是橫電波te _ 0模,任何頻率的光波均可激勵該模式;當光波波長滿足一定條件時,波導內傳輸單模,否則,將激勵起高階模式,高階模即匪te波,也匪tm波,而是兩者耦合而成的混合模。This paper, on the basis of the theory of aeroelasticity, analysed the galloping phenomenon which the cord was undergone the excitation of the horizontal wind. and also built up the mechanic model when galloping. this model provided the theoretical foundation for the case that the cord begins violently vibrating just after the speed of the horizontal wind reaches a certain level
以氣動彈性力學理論為基礎,分析了懸索在受到水平方向橫風激勵時的馳振現象,並建立了其發生馳振時的力學模型,該模型為懸索在橫風速度達到一定數值時發生激烈的振動提供了理論依據。The influences of optical feedback and external cavity length on the laser output are studied, and the relation between fluctuations of speckle signal and the transverse velocity of rough surface is discussed
分析了隨機變化的反饋強度與外腔長度對激光光譜特性的影響。模擬了散斑干涉信號的波動與粗糙表面橫向移動速度的關系。Testing method of transverse mode of laser radiation
激光輻射橫模的鑒別方法In designing the laser unit, the thermal lensing effect of co2 laser plasma is taken into account. a sixteen - folded resonator that has the good transverse mode selection ability and the largest beam energy is developed
在設計過程中,通過對諧振腔內氣體類透鏡效應和模體積與激發體積相匹配問題的研究,設計了一種具有較大激發能量和良好橫模選擇能力的十六折諧振腔。In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending
2 、在對連續性模型的分析基礎上,假設軌道與車輪為理想光滑的、沒有車輛和輪軸激起的振動,引用bernoulli - euler梁理論的假設:即垂直於梁軸線的橫截面在彎曲過程中仍然垂直於梁的中性軸。In the far from cutoff approximation the energies of empty cavity modes versus radii of three - dimension semiconductor microcavity are evaluated
摘要半導體微腔中腔模和激子模藕合形成腔極化激元,三維微腔中由於橫向限定腔模和激子模形成離散化的本徵模式。The dissertation analyzes comprehensively the present researches and problems about the high power crosscurrent co2 laser simulation. according to the classical heat - conduction theory, the dissertation establishes the mathematic model of the heat dissipation system of 2 kw crosscurrent co2 laser
根據高功率橫流co _ 2激光器散熱系統結構原理,建立高功率橫流co _ 2激光器散熱系統數學模型,利用泰勒展開,將散熱系統數學模型離散化,使其形式與計算機圖形學中的水波演算法在形式上相似。Investigation on transverse modes competition characteristics of vertical - cavity surface - emitting lasers
垂直腔面發射激光器的橫模競爭特性Besides, high power laser beam with the multi - transverse mode can be described by partially coherent beams
此外,多橫模的高功率激光光束可用部分相干光束來描述。Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode
與傳統的燈泵浦相比,激光二極體泵浦固體激光器( dpssls )具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中,激光二極體( ld )端面泵浦nd : yag激光器在工業中起著重要的作用並得到了廣泛的運用,這主要歸因於nd : yag晶體具有良好的機械和光學特性,而且端面泵浦具有良好的模式匹配,能獲得基橫模激光輸出。Single mode optical fiber laser confocal scanning microscopy is a new technology in microstructure studying. the speciality of the system is limiting the out - of - focus light reflected from out - of - focus plane in object to restrict the blur of image. therefore, the plane resolution and axial resolution of the system could be improved to sub - micron grade
單模光纖激光共焦掃描顯微成像系統是研究微觀結構的一種新技術,其本質是抑制目標物體離焦面所反射的光線進入系統,從而抑制這些離焦光線造成像點彌散斑增大的影響,使系統的橫向與軸向解析度得到大幅度的提高,能實現亞微米級的層析。This paper, through the staggered - mesh finite difference simulations of the wave equations, simulated the propagation of the seismic wave and relevant zero offset time record in the various transversely isotropic elastic random medium models
摘要本文通過交錯網格有限差分正演,模擬了平面地震波在二維橫各向同性彈性隨機介質模型中的傳播及其自激自收時間記錄。With the development of productivity and the improvement of science and technology, the constant elevation of consume standard, the more and more fierce competition between enterprises and the huge change of economy politics and society environments largely enhanced the incertitude of market, hence enterprises transformed their managements mode from vertical integration to horizontal integration in succession, supply chain management ( scm ) is typical representation of horizontal integration management idea. scm has been introduced to our country last years, but concerned departments of government and some enterprises seriously paid attention to it. as the important part of scm, logistics is the essential key for success or failure of scm
隨著科學技術的進步和生產力的發展,顧客消費水平不斷提高,企業之間的競爭日益激烈,加上經濟、政治和社會環境的巨大變化,使整個市場的不確定性大大增加,於是企業紛紛將「縱向一體化」管理模式轉變為「橫向一體化」 ,供應鏈管理就是「橫向一體化」管理思想的一個典型代表。供應鏈管理引入我國是最近幾年的事,但是受到了政府有關單位和企業的高度重視。而物流作為供應鏈管理的重要組成部分,對供應鏈管理的成敗起到至關重要的作用。Abstract : a numerical investigation of three - dimensional separated flows about a hemisphere - cylinder is presented. the analysis has been restricted to transonic and laminar flows. results are given for the complex flow field structures including shock, boundary layer, separated flow, vertical flow and their mutual effects. the topological structures of the separated flow is shown
文摘:本文數值模擬了半球柱在跨音速、中等攻角時的粘性層流繞流,研究了流場中的復雜三維分離形態結構,其中包含流向與橫向的主分離、二次分離、以及激波邊界層的相互干擾,解釋了在球柱接合部精確捕獲的壓力波動與流動主分離、二次分離的影響關系,這個現象是前人的計算5 , 6未捕捉到的。And the use - case diagram, state diagram and class diagram are used in uml diagram, which describe the software model from its function, logic and static structure. and the main arithmetic is shown. during the detail design process the com component technology is applied to envelop the logical part, hence to update and improve the software ; the software system of evaluation of the virtual prototype of the high power tf co2 laser is developed
本文採用面向對象的軟體工程方法對高功率橫流co _ 2激光器虛擬樣機評價軟體的需求進行了分析,並用uml中的用例圖、狀態圖和類圖分別從功能、邏輯和靜態結構三個方面對軟體模型進行了描述,提出了主要演算法,在詳細設計過程中應用com組件技術對其中邏輯部分進行封裝,以便於升級和改進,開發了高功率橫流co _ 2激光器的虛擬樣機評價的軟體系統。With the principles of informational ization, simplification, standardization, professionalization, and characterization, chinese economy hotel product is made by the vivid value curve. expand hotel scale from transverse path by franchising, guarantee the value of hotel quality from longitudinal path by brand extension from successful hotel groups. establish it ' s own system after accumulates the experience and strength
橫向上以特許拓展從獲得數量規模的快速擴張,縱向上通過成熟飯店集團的品牌延伸獲得品質的堅實保證,從而設計出我國經濟型飯店連鎖發展的最佳的「刺激?評估?形成?自立體系」擴張路徑模型,分享友人