高次聚焦 的英文怎麼說

中文拼音 [gāojiāo]
高次聚焦 英文
high-order focusing
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : Ⅰ名詞1 (次序; 等第) order; sequence 2 [書面語] (出外遠行時停留的處所) stopping place on a jou...
  • : 動詞(聚集; 聚積) assemble; gather; get together
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • 高次 : high order
  • 聚焦 : [物理學] (使光或電子束等聚集於一點) focus; focusing; concentrate
  1. Since the dichromated gelatin has a higher diffraction efficiency in all holographic recording materials, the aim of this research is to use dichromated gelatin as the recording material and to make use of the principle of holography to design holographic optical components, especially in fabrication procedure of dichromated gelatin film and in experimental technique to form a high diffraction efficiency using different angular exposure method

    為了產生優質的能力與效率,本研究採用目前具有最繞射效率( 80 ~ 90 % )的重鉻酸明膠材料作為感光劑,除了自行調制藥劑比例成分,並依嚴格的製作步製成重鉻酸明膠全像片外,並採用不同角度重覆曝光方式改良干涉式波帶板無法自動追蹤的缺點,經過多試驗與改進,藉以形成具備繞射效率和自動追蹤功能的全像光學波帶板。
  2. In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators

    本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用效級聯太陽能電池製作的工藝以及光太陽能電池組件的研究。首先,介紹了國內外太陽能電池的研究現狀及應用情況;其,運用太陽能電池基本原理討論影響電池轉換效率的因素,分析了級聯電池的伏安特性;隨后,討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念,研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程,解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題;然後總結了級聯電池的后工藝製作;最後,研究了以pmma為材料的菲涅耳線透鏡的熱壓成型工藝及其模具的加工工藝,設計並安裝完成新型光太陽能電池組件。
  3. 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,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,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光斑位置等參數的選取依據,以此為依據,設計了自透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合功率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,在帶尾纖輸出的功率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斑的縱向位置成斯變化規律,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,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 。
  4. Because a single ray of radiation is not strong enough to affect the tissues, but a concentration of a large quantity of beams can unleash magic power to kill the disease focus at one time just like a scalpel. it is proven that the system can offer quick, safe and reliable magic curative effects without incision, bleeding, infection and pain. gamma knife works similarly as a magnifier

    由於第一束射線的劑量都很小,不會對它穿越的人體組織造成損害而許多束射線匯點處則形成很的劑量,只要將點對準病變部位,就可以象手術刀一樣準確地一性摧毀病灶,達到無創傷無出血無感染無痛苦迅速安全可靠的神奇療效。
  5. To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated

    建立電子槍和系統模擬模型,分別在真空和填充等離子體條件下進行模擬。發現填充等離子體能補償部分空間電荷效應,改善電子束包絡軌跡,提電子的流通率,但是隨著等離子體密度的增大,束電子會出現振蕩不穩定性,遺憾的是通過反復多模擬發現本文所用粒子模擬的代表性軟體magic無法用於模擬等離子體密度遠於束電子密度的情況。
  6. In the case analysis of " " focusing on taihu lake and acting from zero ground ", we find that the effect of such an action called on by the government was greatly watered down, due to the " high power " status of administrative enforcement of law. the popularity of regional protectionism, the negative impact of " administrative managing of economy " and also the shortcoming of the current environmental protection law itself

    在對「太湖,零點行動」實證分析中,我們可以發現由於行政執法的「權」狀態、由於地方保護主義的盛行、由於「經濟行政」的惡劣影響,當然還有我國當前環境保護法律制度設計的不足,讓這樣一政府的集中執法行動在效果上打了很大的折扣。
  7. Based on the information above, the focusing and differential strategy is reached to develop the competitive advantages. with this strategy, it does n ' t focus on the scale of enterprise but on the new and high value of product in the specified market to get high profit. and vertical integration would be adapted under the condition of funds accumulation

    在此基礎上,對南方公司今後的戰略發展步驟作了一定的規劃,指出南方公司應採取差別化的戰略,把發展戰略在差異化產品更新換代上,為保持在特定市場的優勢地位,不以擴大市場規模為目的,而是以開發附加值產品為方向,這樣才可能獲得豐厚的回報。
  8. In order to obtain an optimal estimate of the tilt angle and angle velocity, an indirect kalman filter configuration combining a rate gyroscope sensor and an accelerometer is implemented. because of the extreme nonlinearity of the two - wheeled self - balancing robot, application feasibility of nonlinear system control strategy based on linear approximation method, exact linearization and intelligent control have been investigated. according to robustness, balancing performance and environment adaptability, robust tracking control, linear quadratic regulator and fuzzy model reference learning control are implemented to the velocity controller

    針對具有強非線性的前進子系統,論證了基於近似線性化、精確線性化及智能控制的非線性系統控制策略的應用可行性,據此按照不同性能要求設計了三種前進速度控制器:漸近跟蹤魯棒調節器簡單精確,具有良好的干擾抑制能力;二型最優跟蹤控制器,在耗能最小的條件下,大大提系統的平衡能力;而基於動態學習的模糊模型參考學習控制則兼具平衡性能好、環境適應性強、精度及魯棒性好的優點。
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