guided mode 中文意思是什麼

guided mode 解釋
導模
  • guided : adj. 有領導的；制導的。
  • mode : n 1 法，樣，方法，方式。2 模，型；樣式，體裁，款式；習慣。3 風尚；〈the mode〉流行，時髦。4 【語...
  1. Analysis of uterine myoma cases treated by radiofrequency ablation guided by b - mode ultrasound

    超引導下射頻刀治療子宮肌瘤54例分析
  2. For the negative uniaxial crystal material, the principal mode is a hybrid guided mode, which can also be excited by the light at any frequency, but when the single mode propagation condition can not be satisfied, some of the higher order hybrid guided modes will exist in the waveguide

    對于負單軸晶體，波導的主模是混合模hgm _ 0模，該模式同樣可被任何頻率的光波所激勵；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階混合模。
  3. 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。
  4. Avionics self - protection system is a subsystem of the advanced avionics system, which has the main functions to find hostile radar - guided weapons system and infrared - guided weapons system by using the mothed of radar reconnaissance. and then to countermeasure enemy ' s radar - guided weapon system and infrared - guided weapons system by adoptinging those measures of electric - magnetic jamming ( active countermeasures ), chaff cloud deception jamming ( passive countermeasures ) and ir decoy deception jamming ( passive countermeasures ) so as to protect our airplanes from the hostile attacks this paper have researched deeply for the integrated mode of avionics self - protection system

    航空自衛系統是先進航空電子綜合化系統的一個分系統，其主要功能是通過雷達偵察方式發現敵方雷達制導武器系統和紅外製導武器系統，並通過實施電磁干擾（有源干擾） 、箔條雲欺騙式干擾（無源干擾）和紅外誘餌欺騙式干擾（無源干擾）對抗敵方雷達制導武器系統、紅外製導武器系統，保護我機免受敵方武器系統攻擊。
  5. Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing

    文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的，因而是一個物理的關系式，故適用於圓柱坐標中各類波動方程的定解問題.作為一個例，應用於光纖光學，導出了受導簡正模和輻射模的表達式，以及各模式的強度分佈
  6. B - mode ultrasonic guided reposition of pediatric acute intussusception with normal saline enema and home - made simplified pressure device

    超下生理鹽水灌腸復位治療小兒急性腸套疊
  7. Coupled - mode theory ( cmt ) has been developed from the orthogonal cmt to the nonorthogonal one as well as from the scalar cmt to the vector one during these scores of years. it was applied extensively in guided - wave optics as an effective mathematical tool for the analysis of the coupling between the modes. however, as far as we know, there has not been any report of the rigorous vectorial cmt in the relative publication at home and abroad

    耦合模理論在這幾十年的發展歷程中，從正交耦合到非正交耦合，從標量耦合到矢量耦合，作為很有效的數學工具分析電磁場中的模式耦合，但據我們所知，嚴格的具有普遍適用性的非正交矢量耦合模理論還未見報道，因此耦合模理論還有待于進一步完善。
  8. Furthermore, we analyze fiber bragg grating of a constant refractive index modulation and period, found the coupled - mode equations that describe interactions between the forward - propagating guided core mode and the backward - propagating guided core mode itself

    並用耦合模理論對最簡單的均勻光纖布拉格光柵進行分析，建立其耦合模方程，並給出解析解。
  9. We begin with the maxwell - field equations, deduce the wave - propagation equations, and then analyze the characteristics of guided modes in optical fiber. based on these, we derive the coupled - mode equations that describe the interaction between the modes

    從光纖中的麥克斯韋方程組出發，首先推導出描述光在光纖傳播的波動方程，進而分析光纖中模式特性，並在此基礎上，嚴格推導出描述模式耦合的耦合模方程。
  10. Drawing lessons from the successful experiences of self - educated and guided teaching, problem - solving teaching and case - guided teaching, the article presents some new ideas about the creative education in a few aspects : the level of creativity, the center of class activity, the emphasis of teaching, the capacity of the meta - cognition and so on. then, a new mathematical teaching mode - - the mathematical learning - case teaching was put forward in which the mathematical learning - cases guide the students to learn mathematical teaching materials and the teacher gives the student instruction individually in necessary and cultivates the creative will and emotion

    借鑒自學輔導教學、問題解決教學、學案導學等教學模式的成功經驗，本文從創新的水平、課堂活動的中心、教師工作的重點和學生的元認知能力等幾個方面對創新教育進行了思考和研究，提出了一種新的數學教學模式? ?數學學案教學模式，以數學學案引導學生自學數學教材，教師進行個別輔導和情意培養。
  11. The development of ship electronic countermeasure ( ecm ) technologies has made the conventional single - mode guided antiship missiles less effective

    隨著現代艦船電子對抗技術及其對抗裝備的日趨完善，傳統單模製導反艦導彈的作戰效能逐漸被削弱。
  12. In conclusion, the paper regards that the developing direction of adopting simulation technology for the test and evaluation of guided weapons is setting up the all - around test and evaluation mode that real test conjoins hitl simulation test

    得出結論認為，建立實際飛行試驗與半實物模擬試驗相結合的綜合試驗模式，是模擬技術在制導兵器試驗與鑒定中應用的發展方向。
  13. Based on this model, a method was developed to obtain certain guided mode signal form ae signals. the final results showed that the method could reduce the multimode and disperse influence to ae signals effectively and locate the leak source correctly

    在此基礎上，利用結構頻散特性確定相關參數、提取單一導波模態的方法，減小了多模態和頻散特性對定位的不利影響，從而較好地實現了泄漏源的定位。
  14. This paper explores english audio - visual teaching mode guided by social constructivism theory

    摘要本文探究在社會建構主義理論指導下的英語視聽說教學模式的相關問題。
  15. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  16. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科，其整合了幾何學、建築、力學、電子制圖等，從而將理論與現實圖像聯系起來，工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常，即使在開放與遠程教育環境中，工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性，一些學習者可能難以想象並解釋這些圖像.然而，尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面向工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖，例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方法，以及應用與練習等階段.在導論階段，系統為學習者提供了專題簡介，然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后，系統將引導學生通過動畫和模擬學習每個專題中制圖方法的不同步驟，學習者也能重復觀察任何剖面.另外，還通過圖像、動畫和視頻等方式展示真實的工程制圖應用案例.最後，為了評價學生的理解能力，在每部分內容後面都附有相關的練習
  17. This paper focuses on the research of the modes, management systems, and operating mechanisms of ceusri centered on university. in method, guided by marxist educational ideas, the paper starts with the history, ideological sources and bases of ceusri and applies management science, university pedagogy, historical and comparative analysis, literature and demonstration. through the research on the background, tendency, developing mode, management system and operating mechanism of ceusri under marketization and internationalization, the paper puts forward suggestions and measures in policy making and implementation about how to establish the sustainable mode of ceusri

    本文從高等學校產學研結合的歷史發展、思想來源和理論依據的研究入手，以馬克思主義教育思想為指導，運用管理學、高等教育學的理論和歷史法、比較分析法、文獻法及實證研究等方法，著力于以高等學校為中心的產學研結合的模式、管理體制和運行機制的研究；通過對產學研結合發展背景和趨勢的研究，探索出日益市場化、國際化背景下高等學校產學研結合的創新模式及其管理體制和運行機制，為構建產學研結合的可持續發展新模式提出了政策性建議和實施對策。
  18. Agv ( automated guided vehicle ) optimization is a typical np problem, in the course of initial group generation, this article applied accumulator process, crossover operator based continuous insertion heuristic mode, and push - connect - exclude method. according to stacker running process and characteristics, stacker optimization was devided into two parts, the first one was shelves number optimization, the second one was travel scheduling problem. finally, this article written genetic algorithm program based on c

    Agv的優化調度屬于典型的np問題，在初始群體的產生中，採用聚加過程，並建立了可行插入的條件；提出了基於連續插入啟發式的交叉運算元；採用了推?銜接?排除過程來使任務的滿意度達到最佳；針對堆垛機的運行過程，建立了數學模型，並依據其運行特點，把堆垛機的優化分為兩部分，一是針對庫位號的優化，改變傳統的庫位號排列方式，利用遺傳演算法建立起比較合理的庫位號排列順序；二是把堆垛機的運行線路簡化為旅行商問題，並做了適當的修改。
  19. By use of gabor wavelet transform and mae technologies, the arrived time to sensors of transient ae signals of specific guided mode can be precisely obtained. as the result, the precision of leak location was improved

    利用gabor小波變換方法對斷鉛聲發射信號進行時頻分析，通過確定某一頻率下某一模態導波到達傳感器的時間，較好地實現了聲發射源定位。
  20. Cladding - guided mode

    包層傳導模
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