格柵理論 的英文怎麼說

中文拼音 [zhàlún]
格柵理論 英文
lattice theory
  • : 格象聲詞rattle; gurgle
  • : 柵名詞(柵欄) railings; paling; palisade; bars
  • : 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...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 理論 : theory
  1. Through indoor tests and field tests this paper has researched the geogrid " s characteristics of application in highway engineering, such as characteristic of intension, creep, endure, damnify in construction etc. based on these researches this paper has also researched the working characteristics of contact face between geogrid and soil and the method of geogrid - reinforced slope analysis. mechanism of geogrid - reinforced slope has been analyzed

    文章通過室內、外試驗,對土工的強度特性、蠕變特性、耐久性能及抗施工損傷性能等工程應用特性進行了研究;在此基礎上,結合室內試驗和分析對土工與土的界面工作特性和加筋邊坡的穩定性分析方法進行了研究,對土工加筋邊坡機進行了分析;最後結合實體工程,對土工加筋陡邊坡的施工工藝進行了系統研究。
  2. In this section, we also designed 2d subwavelength multilevel ( 2 -, 4 -, 8 -, etc. level ) columned stairstep grating with coned spatial profile to reduce reflection

    我們也通過矢量衍射分析了多臺階二維亞波長具有圓錐面形的網的電磁場衍射特性。
  3. By improving the conventional electric - arc fusion method, we have realized the splicing between two kinds of mofs and smf with relatively low splice losses. we have written fiber bragg gratings in grapefruit mof successfully. the multi - wavelength resonances are observed in the grating, and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes

    在此基礎上對微結構光纖光進行了和實驗研究,在柚子型光敏微結構光纖上成功寫制了布拉,觀察到多波長的反射峰,並利用全矢量有限元方法對微結構光纖布拉中的多波長諧振現象進行了分析,最後在實驗上對其在多參量傳感和多波長光纖激光器件中的應用進行了嘗試。
  4. In the end, the properties of volume holograms and the filtering principles of multiple photorefractive volume gratings are discussed by using volume holograms theory and bragg condition

    最後從體全息出發,結合布拉條件,討了多重體全息相位的濾波原
  5. Secondly, the static stress and strain characteristic of polymer - geogrid reinforced earth is summarized, the pulling stress distributing of the reinforced material in the earth walls, the interface characteristeric between the reinforced material and earth and the friction stress distributing between the reinforced material and earth are analysed

    然後,總結了塑料土工加筋土靜應力應變特性的一般,分析了塑料土工筋材在擋墻中的拉應力分佈和塑料土工與土的界面特性以及筋土間摩擦應力的分佈。
  6. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    ( 3 )採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的建模,利用計算流體力學( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題,避免了乾燥過程中的設計不合狀況;通過增加雙均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的體積蒸發強度。
  7. This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design

    文結合實際工程需要,分析和設計了一個採用水平極化方式的三角形矩形波導相控陣天線,其主要步驟如下: 1 .首先,在不考慮陣列單元間互耦影響的情況下,採用經典電磁建立有限陣列分析模型,通過分析得到了基本滿足設計指標的陣列結構參數,為后續的分析、設計提供參考。
  8. ( 1 ) systematic triaxial compression tests are made for the sand reinforced by various national geosynthetics. comprehensive investigations into the interaction characteristics are also made between sand / lime fly ash and various national geosynthetics by direct shear tests and pull out tests, which can help choosing geosynthetic type and understanding the geosynthetic reinforcement mechanism ; ( 2 ) this paper is also firstly systematically presents the results of a comprehensive investigation into the interaction characteristics between lime fly ash and various national geosynthetics ; ( 3 ) by non - linear fem, the influence of the modulus of geosynthetics, the thickness of the soft ground and the width of the foundation on the effectiveness of geosynthetic reinforcement are also studied ; ( 4 ) the main conclusions are as followed : ( geotextiles are likely to be suited for projects allowing high displacement, polyester warp knitting geogrids and oriented geogrids for projects allowing medium displacement, glass fiber geogrids for projects allowing low displacement and geonets for secondary projects. ( the confining effect of fill material to act on different kinds of geosynthetics varies largely, which must be considered

    ( 1 )本文利用三軸壓縮試驗,比較各種國產土工合成材料對砂土的加筋效果;利用直剪試驗和拉拔試驗,比較各種國產土工合成材料與砂土或石灰粉煤灰的界面摩擦特性,深入研究土工合成材料的加筋機,首次明確提出加筋土工合成材料的選型原則; ( 2 )本文首次系統地研究了石灰粉煤灰與各種國產土工合成材料的界面摩擦特性; ( 3 )本文採用有限元法,系統研究了加筋模量、軟土地基厚度、基礎寬度等因素對土工合成材料加固軟土地基效果的影響; ( 4 )本文主要結如下: (無紡土工織物適合用於允許大變形的加筋土工程;滌綸纖維經編土工和塑料拉伸土工適合用於對變形有較嚴要求的加筋土工程;玻璃纖維經編土工適合用於對變形有嚴要求的加筋工程;土工網適合用於低等級的加筋土工程。
  9. 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

    並用耦合模對最簡單的均勻光纖布拉進行分析,建立其耦合模方程,並給出解析解。
  10. Then we deduce the couple - mode equations that describe the mode coupling behaviors in this kind of gratings. based on this, we study the photosensitive inner cladding ' s influence on the core - mode - core - mode coupling and the core - mode - cladding - mode coupling in this kind of grating. a fiber bragg grating was experimentally fabricated with this kind of photosensitive fiber

    然後以第二章給出的耦合模為基礎,結合用帶光敏內包層的包層模抑制光纖的結構特性,推導出用這種光纖製作的光纖布拉的耦合系數和耦合模方程。
  11. A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together

    2 .對軸向及側向應力共同作用下的光纖布拉的透射及反射光譜特性進行了及實驗研究,並首次把軸向及側向應力共同作用下的光纖光應用於光纖激光器進行波長選擇,得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。
  12. ( 3 ) the bragg - shift phenomenon of transmission holographic grating is investigated in theory and experiment. as a result, the bragg - shift phenomenon will be restrained when the intensity ratio of initial writing beams is one

    對透射體全息光在讀出過程中的布拉漂移現象進行了和實驗分析,得出在本實驗條件下,當寫入光強比為1 1時可以很好地抑制布拉漂移現象的發生。
  13. The spectra characteristics, dispersion and time delay of the fiber gragg grating are analyzed and simulated with couple - mode theory

    利用耦合模對光纖布喇的光譜特性、色散和時延特性進行分析和計算機模擬。
  14. The resonance equation of the sampled fiber bragg gratings is derived through the fourier ' s transform and the coupled - mode theory, which determine the wavelengths of the resonance peaks

    摘要利用傅里葉變換和耦合模得到了取樣布拉光纖光的諧振方程,確定了其多諧振峰的位置。
  15. 2 several theory analysis methods for properties of fiber gratings are presented including the coupled - mode theory, transfer matrix approach, multi - film method and fourier transfer method. these methods have their own characteristics and scope of application

    2介紹了光纖光特性分析,並分別利用耦合模、傳輸矩陣法和傅立葉變換法對各類型光纖光(布拉、長周期光、啁啾光)的光譜特性進行了分析。
  16. In order to study the thermal performance and residual stress of microelectronic subassembly, in this paper, a newly optical interferometry method for 3 - d displacement measurement is developed based on wavefront interference theory. in which the moire interferometry provide the in - plane displacement, but the system is different from the conventional interferometry, the system applies the double diffraction of the specimen grating, the in - plane displacement sensitivity is a factor of 2 higher than that of the conventional moire interferometer. twyman / green interferometry method for out - of - plane displacement measurement is adapted, the advantages of the optical set - up are structure novelty, and the fringe patterns of the displacement fields shown high contrast and spatial resolution

    為了詳細研究試件的熱變形特徵以及殘余應力的影響作用,本文在波前干涉的基礎上,設計了一新型三維光學測試系統,該系統的平面位移測試基於雲紋干涉方法,但採用與普通雲紋干涉不同的光路系統,利用試件光和平面反射鏡組形成的兩次衍射,使平面位移干涉條紋倍增,測量靈敏度是普通雲紋干涉的2倍,系統的離面位移場測試採用泰曼林干涉光路。
  17. As composite material are widely used in navigation and physical education equipments for high comparing intensity and module, even it has the approxi - mate zero expanding coefficient, as the same time, configuration of composite has been aroused attention by scientific researchers, the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along. grid structure is the right structure with the high efficiency, the researchers overseas have been studying the structure for many years, which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity. the form can be detected in health easily for its open shape

    復合材料具有高的比強度和比模量,同時又具有近於零的熱膨脹系數和良好的尺寸穩定性等優良性能,已經廣泛應用於航天航空事業和體育器材生產工業,與此同時,尋求一種高效的、低成本的、並將智能化和功能化集於一體的結構形式,一直是航空航天追求的目標,具有點陣結構的復合材料結構正是這種高效的結構形式,表現出多項優良性能;國外對其進行了大規模的分析和一些數值模擬研究,已有的研究表明該結構具有良好的可設計與自動化生產性能而無材料之間匹配問題,開放式的結構形式為結構的健康檢測提供了便利,具有廣闊的應用前景。
  18. Topographical maps are the principal frame form of gis, and realization map digitizing and offering gis basic spatial data is one of the important research fields in surveying and gis, which is also necessity of development of science and technology. based on building gis - oriented topographical mapping system theories, this themes apply the advanced objectarx technology, aim at topographical mapping and exporting to gis, and resolve several key problems, such as symbols analysis and building, dtm and contour line automatic drawing, topographical map adjoining, digital image rectifying etc. and it offers models and arithmetic, realizing the general functions of gis - oriented topographical mapping system

    本文以建設面向gis的測量繪圖平臺為基礎,以autocad平臺下objectarx開發技術為核心,圍繞地形圖的成圖和入庫( gis數據庫)這一課題,對其中的關鍵技術難題? ?符號庫的建立與實現、 dtm與等高線的自動繪制、地形圖接邊、數字化圖像的定向與糾正、介面數據文件的生成等進行了研究分析,提出了相應的模型和演算法,實現了面向gis的測量繪圖系統的基本功能。
  19. We employ the rigorous vector coupled - wave theory to analyze the electromagnetic diffraction nature of two - dimensional columned grid gratings

    我們使用了嚴的矢量衍射? ?耦合波分析圓柱形網的衍射特性。
  20. In this paper, in order to solve the difficulties in the rain pipe construction in jianyu road of yulin city, the pipe - pushing technique for the hand - type tool pipe in the sand soil layer has been researched by experiments in which many practice problems were considered such as the movement and deformation of sand soil, the difficulties for the pipe to enter the scheduled work soil, the collapse of excavation surface, the departure of pipe center and the difficulties to correct this departure. by both the calculations for the stabilities of back - supporting soil body and excavation surface and the theoretical analysis on the reasons for the departure ' s producing, some construction techniques were introduced and adopted in this paper which include not only the change and reinforcement to both the back - supporting soil body and the scheduled work soil body but also the settings of pipe cap, lattice and correcting system on the head of the tool pipe

    本文針對榆林市建榆路雨水管道中遇到的技術難題,進行手掘式工具管砂土層頂管法施工技術試驗研究,在研究中考慮砂土層存在的后靠土體移位、變形,工具管難以進入出洞土體,挖掘面易坍塌、管道中心易偏差及難糾偏等問題,通過對后靠土體和挖掘面的穩定計算及偏差產生原因的分析,提出並採用后靠土體換填加固,出洞土體換填加固,以及在工具管頭部設置管帽、、糾偏系統等技術措施
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