耦合指數 的英文怎麼說

中文拼音 [ǒuzhǐshǔ]
耦合指數 英文
coupled index
  • : 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...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. We can also detrude the parameter of trace and pcb when we regulate the settled coupling request. we can use the software to instruct the design

    也可以根據固定的對端接敏感器件的走線要求或標準推導出相應的走線和pcb的物理結構參,以此來導設計。
  2. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開:用石灰改良膨脹土的機理;通過室內試驗確定摻灰的技術標;在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗,即鈣離子水試驗,由此總結出「粉?塊」灰?土攪拌工藝的有效性、理性和可行性;用值方法對路堤使用期的濕度場進行模擬,並與路堤的強度?變形的計算域,以檢驗土性改良的效果,從而探索一種描述改良膨脹土路堤運行工況的值方法;用現有最常用的且費用最低的施工機具,對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  3. For coupling loss, the method to reduce this loss is pointed out without changing other structural parameters decided by the above requirements. y - branch loss is analyzed by bpm ( beam propagation method )

    對于損耗,出了在不改變前面結構參(因為它們的設計是根據半波電壓和單模要求設定的)情況下,實現小損耗的方法。
  4. The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding

    研究了y分支器中分支頂端間距(為工藝製作方便)帶來的附加損耗,提出了低損耗新型y分支器結構,並給出了相關結構參的優化設計方法,我們的理論計算和實驗測試結果均表明,該新型結構可以在常規光波導製作工藝下提高器件的標。
  5. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾和阻力因子與雷諾的函關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到導的作用。
  6. 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,給出了一定泵浦方式下,振蕩光模尺寸、最佳輸出率、泵浦光模尺寸、泵浦光焦斑位置等參的選取依據,以此為依據,設計了自聚焦透鏡小功率ld泵浦nd : yag激光器和透鏡組高功率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 。
  7. The result of experimentation on coupling effect of water and fertilizers on spring corn in the three gorges reservoir area indicate that water stresslead the effect low of highness and lai, and the most effect is made in shooting stage ; it has a significant positive correlation between the yield of corn and biomass, and hasn ' t none significant positive correlation between the yield of corn and the weight of roots ; the coupling effect of water and n is significant, but the coupling effect of water and k is not significant, the maximum yield of corn condition fitting - water and medium n, corn absorbs n has a threshold value during the growth, and using superfluous n is able to prick up soil drought and crop drought ; water is the leading factor which effects the yield of corn, next is n and k

    摘要三峽庫區春玉米盆栽水肥試驗研究結果表明,水分脅迫導致玉米株高和葉面積降低,以拔節期受到影響最大;玉米產量與生物量呈顯著正相關關系,產量與根重無顯著正相關關系;水氮效應顯著,適宜水分和中氮處理下玉米的產量最高,玉米生長發育對氮肥的吸收存在一定的閾值,過多施用氮肥會加劇土壤乾旱和作物乾旱,水和鉀效應對玉米產量影響不顯著;水分是影響玉米產量的主導因素,其次是氮效應和鉀效應。
  8. 3. after the parameters of the array structure are got, simulation software, such as cst microwave studio, cts design studio and ansoft hfss, are used to design the power dividers for the radiation units in the horizontally polarized direction of the array. these power dividers adopt structure of coupling slots in the narrow side of main rectangular waveguides, in which the narrow side of the main waveguide and the broadside of secondary waveguides are crossed at locations of each slot

    3 .在得到滿足標要求的陣列結構參后,採用cstmicrowavestudio 、 ctsdesignstudio和ansofthfss等電磁模擬軟體對陣列在水平極化方向的行饋功分器進行模擬設計,該陣列的行饋功分器採用波導窄邊單縫饋電結構。
  9. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進,對光濾波器的常規性能標、時域特性和動態可調諧特性提出了更加苛刻的要求,鑒於此,本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波器和偏振泵浦波器。
  10. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參、機車車輛運營條件等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌空間振動時變模型,採用vogel側磨作為鋼軌側磨標,系統分析了輪軌參變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨據進行了分析,通過擬得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。
  11. The scalar lyapunov function approach and vector lyapunov function approach of stability for large - scale systems are analyzed. and it is pointed out that the restriction of these approaches are only suited for large - scale systems with week coupling among subsystems

    對大系統穩定性的標量lyapunov函法和向量lyapunov函法作了分析,出這些方法只適用於子系統間具有弱的大系統的局限性。
  12. ( 3 ) a modified chua ' s circuit is proposed and a circuit implementation is also designed. dynamics of this modified chua ' s circuit are numerically studied and its lyapunov exponents are also calculated. ( 4 ) a resistance - coupling method for designing new chaos generators by taking use of existing chaos generators is suggested, several new chaos generators realized by this way are studied and their dynamic are compared to those of original chaos generators, their lyapunov exponents are also calculated

    ( 4 )提出了一種構造新的混沌或者超混沌模型的電阻性混沌模型方法,並且給出了用此方法構造的幾種新的混沌吸引子,對所構造的新的混沌os吸5吁進行了值研究,贈了其李雅普諾夫,將形成的新的混飩吸引子與之前的混飩吸引子進行了對比頒。
  13. Taking zhijin county as a concrete case, the article calculated emergy of local ecological and economic system qualitatively and quantitatively against data in the year of 2003 with theory of ecological economics and system coupling under which material flow, energy flow and information flow could be manifested actually, and then analyzed the ecological and economic system coupling status in the year of 2003 with emergy indexes and emergy index model for sustainable development

    本文利用2003年據,駕馭生態經濟學和系統的理論,以織金縣為例,運用能準確地研究生態經濟系統的物質流、能量流和信息流的分析方法? ?能值分析法,定量定性結,計算織金縣生態系統和經濟系統能值,然後利用相關標和能值可持續發展模型分析2003年織金縣生態經濟系統現狀。
  14. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲則低於8db ,最小可達4 . 6db 。
  15. The essay suggested coupling approaches of ecological economic system pointedly with theory of coupling catalyzing and management accesses based on analyzing causes of ecological - economic system coupling status of zhijin county : 1 ) put population into practice with controlling the quantity of population and developing the quality of population ; 2 ) carry out the strategy of revitalizing zhijin through science and education ; 3 ) take ecological - economic management and optimize industrial structure and develop zhijin ’ s economy ; 4 ) protect environment & resources and control karst rocky desertification integratedly ; 5 ) facilitate urban - rural coupling and sustainable development depended on urbanizing

    在原因分析的基礎上,以催化和管理理論為導,論文有的放矢地提出生態經濟系統的途徑: 1 )實施人口政策,控制人口量,提高人口素質; 2 )大力實施「科教興織」戰略; 3 )推行生態經濟管理,優化產業結構,發展織金經濟; 4 )保護環境和資源,綜防治石漠化; 5 )以城鎮化為載體,推進城鄉和可持續發展。
  16. The main results are as follows : 1. dynamical behavior in coupled map lattices with regular topology are investigated by using lyapunov componet. 2. dynamical behavior in coupled map lattice with scale - free topology are investigated in detail. our strategy is to apply three feedback control methods, including constant feedback and two types of time - delayed feedback, to a small fraction of network nodes to reach desired synchronous state

    本論文正是對具有無標度拓撲結構的映象格子的動力學行為進行了研究,主要內容和創新點如下: 1 .利用lyapunov對具有規則網路結構的映象格子系統的動力學行為進行研究; 2 .對具有無標度網路結構的映象格子系統的動力學行為進行了詳細研究;為了使系統達到同步,我們的策略是應用三種反饋方法(常反饋和兩種時延反饋)對系統的部分節點進行控制以達到我們期望的狀態。
  17. 3. the coupled - mode theory and matrix theory of lpfg have been studied. based on the erbium - doped fiber which has been chosen for edsfs, smf - 28 of corning corporation and photosensitive fiber of coractive corporation, the optimum fiber grating period, length, the maximum cross transmission wavelength and the relation

    3 .推導長周期光纖光柵模理論及矩陣理論,結幾種不同的光纖,包括課題中的摻鉺光纖、 corning公司的smf - 28單模光纖及加拿大coractive公司的光敏光纖,利用matlab7建模並結已確定的長周期光纖光柵的透射譜來優化長周期光纖光柵周期、長度、諧振波長等幾個參及它們之間的關系,用來導和優化光纖光柵的製作。
  18. 2. under the condition of taking account of mutual coupling among the array elements, mode coupling method is used to establish analyzing model for finite array, and parameters of the array structure satisfying the design index are got

    2 .在考慮陣列單元間互影響的情況下,採用模式法建立有限陣列分析模型,得到了滿足設計標的結構參
  19. They are kernel knowledge of distributed multidatabase too0 then, based on a reasonable classified frame of schema collision, the paper probes into the strategies realizing schema integration and query decomposition using the good " low coupling, high cohesion " characteristics of component ; and then, a improved model of federal database architecture is designed exerting the virtue of independence and assembly of component <, at last, i had completed the work of developing a demo for the integration of audit information systems with the helps of others, which proved that the improved model of federal database architecture is practicalo

    我在提出一個理的模式沖突分類框架的基礎上,探討了如何運用組件技術的低、高內聚的良好特性來實現據模式集成和查詢分解的策略;同時,運用組件技術的獨立性和可裝配的優點,設計了一個改進的聯邦據庫體系結構模型。最後,在上述理論的導下,本人與協作者完成了湖南省審計廳信息集成原型系統的設計和開發,總體上證實了改進后聯邦據庫體系結構模型的可行性。
  20. The main factors have been determined to be the depth and width of hole, the strength of surrounding rock, the types of detonator, the decoupling coefficient, burden and unit consumption form what has been discussed, the author make use of those major factors as standard of affection and studied bp neural networks " work principle, structure and defectiveness. a model of modified bp neural networks has been used to built model in order to identify selection and optimize of blasting in rock anchor beam. triumphant parameter design of blasting were selected as a example, in order to perform network of parameter design

    確定以炸藥類型、最小抵抗線、孔深、炮眼間距、不、線裝藥量、巖石強度和巖體完整度為主要影響因素;把改進的bp演算法應用在爆破參優化設計中,建立以炸藥類型、最小抵抗線、炮孔深度、炮眼間距、線裝藥量、不、巖石強度和巖體完整度為主要影響標,選擇45例國內外成功的爆破參設計實例為樣本,利用bp神經網路進行爆破參優化設計,並通過現場保護層和巖臺修面爆破試驗以及對其松動圈范圍進行聲波測試,其測試結果最優的爆破方案其松動圈最小,這與神經網路進行參優化設計的爆破方案相吻
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