等焦透鏡 的英文怎麼說

中文拼音 [děngjiāotòujìng]
等焦透鏡 英文
equivalent lens
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : 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;...
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
  • 透鏡 : [物理學] lens; optical lens
  1. E. g. the ge lens used in planar wide - angle altazimuth, indirect ophthalmoscopy lens in ophthalmic diagnosis, zoom lens of camera, all were minor aspheric component

    例如,紅外廣角地平儀中的鍺、眼科診斷用的間接眼底、變照相機頭、刻錄機光頭都是小型的非球面元件。
  2. It is impossible, of course, to focalize the sunlight within the human body, so we have to use a kind of high - energy high - penetrability ray such as gamma ray. meanwhile, focalization of gamma ray, not as simple as that of magnifier, should be based on comprehensive utilization of various modern technologies such as nuclear physics, computer, bioradiology and electromechanism

    當然,要想在人體內聚,用太陽光線是不可能的,而必須採用具有穿力的高能射線如伽瑪射線同時,要讓伽瑪射線聚也不像放大那樣簡單,而要綜合利用核物理計算機生物放射機電一系列現代技術才能實現。
  3. The influence of changing design parameters on diffractive microlens is investigated. the effects of changing design focal length and microlens material refractive index on diffractive efficiency and airy diffraction disc radius are presented. the numerical results are discussed by qualitative analysis

    首先研究了設計參數變化對衍射微的影響,給出了設計距和材料折射率變化對衍射微衍射效率、愛里斑半徑的影響,並對分析結果作了定性討論。
  4. 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空間用高效級聯太陽能電池製作的工藝以及聚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;其次,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為材料的菲涅耳線聚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聚光太陽能電池組件。
  5. 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、泵浦光斑位置參數的選取依據,以此為依據,設計了自聚耦合小功率ld泵浦nd : yag激光器和組耦合高功率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 。
  6. Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system

    文摘:在介紹與分析了國內外電子調系統的技術發展與現狀的基礎上,提出了一種基於sspd (自掃描光電二極體列陣)與8098單片微處理器自動調的整體技術方案,給出了基於圖像高頻成分統計的聚判識演算法,在此基礎上實現了反射式與射式光學顯微的自動調,同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動問題也進行了討論。
  7. With the high resolution super fine evf, you can easily confirm how your shot is focused, without having to magnify the viewfinder display. other aids to image composition include a wide viewing angle ( similar to a 35 mm slr camera ), 90 degree tilting for low position shooting, and automatic brightness boosting in dim conditions

    您只要過高解像度的超細致evf ,即使不用放大觀景器的顯示,都能輕松確定拍照時的對狀況。而超細致evf的廣闊取景角度(相當於35mm單反光相機) 、適用於低角度拍攝的90傾斜功能、以及在光線不足的環境下自動增加亮度功能,都能助您取景構圖。
  8. The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively

    6 ,使用傅立葉積分變換法,在考慮色差和高階色散效應的較為一般情況下,分別研究了束寬超短脈沖高斯光束和衍射長度超短脈沖高斯光束通過硅玻璃的聚特性。
  9. 3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens

    3 .針對由柱和聚組成的組合耦合系統中存在的封裝和調試困難問題,提出了:用一段直徑為600 m的裸石英光纖代替柱,對半導體激光器輸出光束進行準直整形;用球光纖對準直后的光束進行聚,直接實現和光纖耦合,來代替聚和光纖耦合的環節。
  10. But the implementation of traditional wfcs in an optical system is difficulty, so the applications is limited. in 2000, a novel wfcs comprising a distorted diffraction grating ( dgwfs ), simple optics and a single camera has been described by blanchard

    2000年, blanchard提出了一種新型的波前曲率傳感器,它利用二次扭曲光柵和短密接使用,來實現波前曲率測量。
  11. If we consider the whole cereal plant as two parts, leaves and non - leaf organs, then it could be proposed that improvement of wheat yields can be obtained by improving the partitioning of assimilates of non - leaf organs ( frey - wyssling et al, 1959 ; sharma - natu et al, 1994 ). although structure and function of leaves received considerable attention, those of non - leaf organs are poorly documented

    本論文以小麥、水稻幾種重要經濟作物為材料,應用射電、掃描電、激光共聚顯微以及氧電極,低溫熒光生理技術手段,對作物非葉器官的結構和主要生理特性進行了較全面和系統的研究。
  12. The variable - focus liquid microlens based on electrowetting on dielectric ( ewod ), which has the outstanding advantages of simple structures, low power dissipation, easily tunable of focal length, etc., is most attractive

    在提出的各種新型的可變技術中,基於介質上電潤濕的微流體由於其結構簡單、功耗低、調節距方便眾多突出的優點而被人們所重視。
  13. Discussions and preliminary experiments are given for some potential applications of left - handed materials. experimental results which are in accordance with expects for the focusing of plane wave using symmetric rings and the focusing of radiate source using rings are obtained. simulation results are also obtained concerning the - like structure based backward radiate antenna and transmission line based left - handed structures

    對稱環結構異向介質凹的平面波聚、結構異向介質的點源會聚實驗都得到了和預期接近的初步結果;對基於結構全固態異向介質後向波介質天線微波異向介質的實驗研究和基於微帶電路結構單元的異向介質進行了計算機模擬研究,也取得了較好的結果。
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