lens focus 中文意思是什麼

lens focus 解釋
透鏡焦點
  • lens : n (pl lenses)1 透鏡;一組透鏡。2 【解剖學】(眼球的)晶體。3 【攝影】(照相機的)鏡頭。4 凸透鏡...
  • focus : n (pl focuses foci )1 【物理學】焦點。2 【物理學】焦距;聚焦,對焦點,配光,對光。3 (活動興趣...
  1. Analysis showed this might be due to the fact that a black hole passed in front of the star. the gravitation of a black hole can function as a convex lens and focus starlight, resulting in transience increase of apparent brightness of the star

    分析顯示,這很可能是因為有一個黑洞在恆星前面經過,黑洞的引力會聚了星光,就像凸透鏡把光線聚焦一樣,使恆星的視亮度增加。
  2. This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal

    本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析,理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。
  3. To reduce the marking distortion, using the vertical 2 - dimension galvanometer distributing and f field lens focalize, the distance of the second galvanometer to the machining plane is the focus f. to avoid too hign temperature to distroy the resonance cavity because of too long marking time, cooling system and self - protector is used in the design

    為減少打標畸變,採用垂直二維振鏡分佈, f物鏡聚焦,將激光束經第二個振鏡反射後到加工平面的距離為焦距f ,為了避免打標時間過長,溫度過高破壞諧振腔,在設計中加上冷卻系統和自我保護裝置。
  4. Meanwhile, solid immersion lens is also applied to focus femtosecond laser pulse in three - dimensional optical data storage

    分析和闡述了固體浸沒透鏡應用於飛秒脈沖激光三維光存儲系統中的可行性及優點。
  5. In conclusion, solid immersion lens, which is feasible to focus femtosecond laser pulse in three - dimensional optical data storage, shows the rather potential to increase the volumetric density

    總之,用固體浸沒透鏡在透明介質中進行飛秒激光三維存儲是可行的、且其在提高體存儲密度方面有較大的發展潛力。
  6. When only allows the total internal reflection beams focus on the small aperture, which is formed at the center of metal film coated on the bottom of solid immersion lens, the optical fields propagated from the aperture of different dimension is first simulated

    根據衍射超分辨原理首次模擬出了底面鍍有金屬膜、中心留有通光微孔的固體浸沒透鏡的出射光場分佈。
  7. Long focus object lens of three color achromatic aberration is one of two posers of optical design, using this method can get a perfect result. compared with pw method, the first results received from the wave - deviation method are more accurate and more rapid

    使用此數學模型編的光學自動設計程序,也可以說是光學鏡頭設計的一種新方法,即實現自動選玻璃,求解初始結構(曲率半徑r ,厚度d等)和自動校正像差和優化系統等。
  8. The rear expounds the working principle of pick - up and the methods that are able to implement compatibility and fit high density disc. moreover a devise idea is put forward that hologram incorporates object lens that can adapt to the panasonic ' s double focus and give credible technologic guarantee and carry out product ' s simplification

    後半部分對dvd的核心部分? ?激光頭的工作原理及其滿足高密度和兼容性要求的實現方法進行了詳細闡述,並提出了適應松下兩焦點光頭的全息板與物鏡一體化設計思想,為產品簡單化的追求提供了可靠的技術保證。
  9. Minolta s through - the - lens ( ttl ) phase - detection system with 3 ccd sensor activated by pressing the af button or shutter - release button partway down ; auto manual - focus switchable manually ; multi - dimensional predictive focus control for moving subjects

    備有3ccd感應器的美能達鏡后( ttl )相位檢測系統;按下自動對焦按鈕或半按下快門釋放按鈕,可手動選擇自動手動對焦。
  10. In a camera, light rays pass through a series of lenses that focus images onto film. in a healthy eye, light rays pass through the cornea and lens, which focuses images onto the retina, a layer of light - sensing cells lining the back of the eye

    在照相機中,光線經過一系列的透鏡,把圖像聚焦在膠片上,在健康的眼睛中,光線通過角膜和透鏡,把圖像聚焦到視網膜上,而視網膜是一層排列在眼底的光敏單元。
  11. Another negative attribute of the canon ef 180mm f / 3. 5 l usm macro lens is its slow focus speed

    另外一個180的弱點是它有極其慢的對焦速度。
  12. Removing the extension tube shortens the spacing to allow any binocular viewer to reach focus without a barlow lens

    除去延長管縮短間隔讓任何的用兩眼的觀眾到達沒有一個巴羅鏡的焦點。
  13. 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為材料的菲涅耳線聚焦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聚光太陽能電池組件。
  14. Electrons which pass through the thin specimen are brought to a focus in the back focal plane of the objective lens, this lens, like all electromagnetic lenses, acts as a converging lens and thus forms a diffraction pattern in this b. f. plane

    穿越薄樣本的電子被帶到目標透鏡背面焦點平面的一個焦點,這個透鏡,象所有的電子透鏡一樣,充當了聚焦透鏡的作用,因此,構造了在這個背面焦點平面的衍射模式。
  15. Fabrication of continuous relief mask for diffractive plane focus lens

    連續型平面衍射聚光透鏡掩模的製作
  16. The question was open as to what shape of lens would so focus in the coming rays.

    什麼形狀的透鏡能起這樣的聚焦作用,還是一個沒有解決的問題。
  17. The diffraction phenomena and analysis of self - focus lens

    自聚焦透鏡衍射現象及分析
  18. Field of view min focus 24x18 0. 3 m with 35 mm lens

    Fov視場寬x高最小焦距
  19. The camera adjusts its focus, lens aperture, and shutter speed by itself

    它會調焦、調光圈和光閘速度。
  20. As you can see above the lens extends a little bit towards closer focus distances

    向近處對焦時內鏡筒會略微伸出一段。
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