最佳耦合 的英文怎麼說

中文拼音 [zuìjiāǒu]
最佳耦合 英文
optimal coupling
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 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)
  • 最佳 : the best; optimum
  • 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
  1. Then after analysising each characteristics of phosphate glass material, the fiber rod - in - tube by invaginating core rod, inside cladding and outside cladding is used to fabricate the er / yb phosphate glass fiber successfully by polishing and vacuumizing fiber rod - in - tube. finally some techniques, such as cladding pump, prism coupling pump and fusing pump are used to measure the gain of fiber amplifiers

    後對拉制出的光纖提出了包層泵浦、棱鏡泵浦和熔接泵浦三種可行的增益和傳輸特性測試測方案,並針對鉺鐿共摻磷酸鹽玻璃光纖的特性,指出了熔接是測試增益和傳輸特性的方案。
  2. Based on an amplified spontaneous emission ( ase ) source, a ring - cavity fiber laser, in which sensor element acted as the reflector of the cavity, was achieved with high - signal noise ratio ( snr ) and high - power. it was demonstrated that the output power was maximum, when output coupler ratio of the coupler was seventy percent

    實驗證實器的輸出比選為某一個值70 ,當980nm泵光工作電流為50ma時,其輸出功率達3 . 5mw ,且輸出激光波長與作為反射鏡的光纖光柵中心波長相同。
  3. From the aspect of the coupling action of geological and engineering conditions, this paper analyzes their influences on high slope stability. the result shows that constructional surface, lithology, slope angle and height are the most influential factors. provided that a slope angle in a stepped slope is constant, the slope stability is very sensitive to the height / width ratios of steps, and the best design for the slope is to make the height of each step no more than one - third of the total height and the height / width ratio between 1 : 0. 2 - 0. 3

    從地質與工程作用出發,分析了地質因素和工程條件對高邊坡穩定性的影響,指出結構面、巖性以及坡角和坡高是邊坡穩定性的重要影響因素,在邊坡角一定的前提下臺階狀邊坡的臺階高寬比對邊坡穩定性影響山十分明顯,一般以每級臺階的高度不超過總坡高的1 / 3 ,高寬比在1 : 0 . 2 0 . 3之間為設計。
  4. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結自尋優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現經濟燃燒,切實保障了鍋爐的經濟運行。
  5. ( 1 ) effects of externally applied electric fields on photorefractive two - beam coupling are analyzed. theoretic dependence of the intensity gain factor on applied field e0 in sbn : 60 is presented. and the experimental results obtained in two sbn : 61 : cr crystal samples with different dopant concentration show clearly that for properly applied fields, a larger f can be achieved effectively than that obtained with no field applied

    由兩塊不同摻cr濃度的sbn 61 cr晶體得到的實驗結果同時表明,適當的外電場作用能夠有效提高晶體的二波增益,並且,外電場的作用使晶體的響應速度大大提高,而晶體的最佳耦合角與外電場之間沒有明顯的依賴關系。
  6. Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied

    論文主要研究內容包括:一維和多維聲電光效應的波方程及其衍射效率計算公式的建立、一維和多維聲電光器件工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。
  7. 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、輸出率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,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;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指數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 (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 。
  8. By comprehensive considerate the intercoupling relationship between the side - slip angle and the yaw rate, the combine - control strategy ’ s predominance distinctness because it overcome the disadvantages of the large side - slip angle under the - control and can ’ t following the ideal yaw rate under the - control. vehicle possesses optimal control stability with the combine - control obviously

    由於聯控制策略綜考慮了質心側偏角和橫擺角速度之間相互的關系,克服了單獨橫擺角速度控制時質心側偏角過大,以及單獨質心側偏角控制時對理想橫擺角速度跟蹤不好的缺點,因而優勢明顯,聯控制策略下的車輛具有的操縱穩定性。
  9. The paper researches the relations between blasting effect and blasting parameters, including diameter of drill, non - coincidence coefficient, hole spacing, hole row - spacing, cartridge diameter, charge per hole, density of line charge, charging structure and detonating manner, and how to adjust the blasting parameters to get the best blasting effect under the given geological condition

    本文在重慶市某高速公路同段進行了現場預裂爆破試驗的基礎上,研究了炮眼直徑、不系數、炮孔間距、炮孔排距、藥卷直徑、單孔藥量和線裝藥密度、裝填結構、起爆方式等爆破參數與爆破效果之間的聯系,以及如何在給定的地質條件下調整爆破參數獲得的爆破效果。
  10. Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation

    利用可精確控制水分條件的水肥平衡場,在不同水肥處理的條件下,研究了水肥對玉米光特性及產量的影響,結果表明:不同水肥處理的條件下,玉米的光速率有所不同,氣孔導度的變化與光速率的變化表現基本一致,而對蒸騰速率、細胞間co2濃度影響不大.其中,在自然降水條件下,有機肥和無機肥的配,有利於玉米子粒灌漿期維持較高的光速率,表現出良好的產量潛力.充足水條件下,有機肥和無機肥的配,光速率及氣孔導度表現較低,表現產量有所下降,說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下,為充分發揮玉米的產量潛力,的管理措施是增施無機肥和有機肥的配
  11. Measuring the intracavity loss of laser. in the theory, we analyze the relation of output power and input power of the different transmission rate of output mirror. using the experiment validated the theory result

    實驗上測量了激光器的內腔損耗,並計算得到在泵浦功率等於2 . 2w時,輸出透射率t _ ( opt ) = 5 . 2 。
  12. 2. we design a configuration of frequency - doubler according to the optimum focus condition and the cavity stability condition | a + d | < 2 and optimize it based on " mode - matching " and " optimum coupling ". 99. 96 % of optical impedance - match efficiency and over 95 % of spatial mode - matching efficiency are achieved eventually by using t = 10 % of input coupler in our experiment

    ( 2 )根據聚焦條件和腔的穩定性條件( | a + d | 2 )對四鏡環型倍頻腔進行了設計,並分別從「模式匹配」和「輸入鏡透射率的選擇」兩方面著手對腔進行優化,在我們的實驗中採用10的輸入鏡,獲得阻抗匹配效率為99 . 96 ,空間模式匹配效率高於95以上的模式。
  13. By the method of matrix optics, the waist width and imaging distance of gaussian beams through the coupling system are calculated. by the result of the calculation, a set of double planoconvex lens coupling system are designed and manufactured. the coupling efficiency is up to 92 %

    利用矩陣光學的方法,計算了高斯光束經系統聚焦后的像距和束腰寬度,以此為指導設計加工了一套雙平凸鏡系統,效率達92 ;在以上基礎上研究了泵浦光與振蕩光在激光晶體中的匹配,計算出了泵浦光經系統后的焦點位置。
  14. The essence of grid computing lies in the efficient and optimal utilization of a wide range of heterogeneous, loosely coupled resources in an organization tied to sophisticated workload - management capabilities or information virtualization

    網格計算的本質在於,在依賴復雜任務負載管理能力或信息虛擬化的企業中,有效並且地利用大量異構的、松的資源。
  15. The work roll bending on five stands are adjusted based on the periodical change of work roll shift position to decouple the coupling between edge drop and flatness control and obtain the optimum flatness control

    該模塊根據5個機架的工作輥軸向位置的變化周期性隨動調整5個機架的工作輥彎輥,化解平坦度和邊降的關系,以獲得的板形控制效果。
  16. By the ray tracing in the channel waveguide, the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized

    通過幾何光學法追跡泵浦光線在波導中的傳播,系統地分析了泵浦光束與波導相對位置變化對泵浦效率的影響,進而確定最佳耦合條件。
  17. 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

    從三波方程出發,對clbo用於皮秒級光參量放大時,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優化值。
  18. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究:綜利用灰色理論及遺傳規劃( geneticprogramming , gp )的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組slf法:首先採用負荷回歸法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;後採用gp來對灰色聚類結果進行符號回歸,分別得到每一類曲線的曲線形式。
  19. Silicon v - groove structure can provide fiber with high precision orientation. so the problems about how to make light into soi efficiently and coupling between multichannel waveguide devices and fibers can be solved. the coupled mode theory of single - mode fiber and ridge waveguide has been described and analyzed, and the best coupling condition is obtained

    本文圍繞硅v型槽的設計和製作,從理論上詳細分析了單模光纖與脊形波導的模式特點,得出條件,在此基礎上設計出適的硅v型槽結構。
  20. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜利用灰色理論及遺傳規劃的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組slf法:首先採用負荷轉移法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;後採用遺傳規劃來對灰色聚類結果進行符號回歸,分別得到每一類曲線的曲線形式。
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