透鏡的焦點 的英文怎麼說

中文拼音 [tòujìngdejiāodiǎn]
透鏡的焦點 英文
focus of lens
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : 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名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 透鏡 : [物理學] lens; optical lens
  • 焦點 : 1 [數學] [物理學] (二次曲線焦點; 主焦點) focal point; focus 2 (問題的關鍵所在或爭論的集中點) ...
  1. The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power

    當脈沖聚相對于固體浸沒底面離時,對系統有效數值孔徑進行了計算,結果表明採用固體浸沒方式進行記錄,系統有效數值孔徑最低可增大到固體浸沒插入前折射率倍,其數值孔徑理論極限值為存儲介質折射率。
  2. 4, single focuse the single head : is single for single laser head that panasonic lead off to adopt to focuse the double the laser beam for focusing ordering the project, he adopting the special whole synthesizing lens, passing lens in the center part ofly the focusing of formation cd the point, and pass the anastigmatic laser beam of part edge the formation the focusing of dvd the point, this kind of construction because of have no the machining to spread to move, and also can t produce the mechanical trouble, therefore increased to recognize the dish the speed, and however and also lowered the cost. but adoption this project of generation is with part of the next generation dvd nonsupports cdr

    4單聚頭:為panasonic率先採用單激光頭單聚雙聚方案,他採用特別全息綜合,通過中間部分激光束形成cd,通過邊緣部分激光束形成dvd,這種結構由於沒有機械傳動,也不會產生機械故障,所以提高了認盤速度,不過同時也降低了成本。但採用此方案第一代和部分第二代dvd不支持cdr 。
  3. Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna

    單波束天線是多波束聚天線基礎和關鍵,只有充分精確地分析了單波束天線解析度大小和斑位置,以及單個波束偏移產生相應影響,才能設計多波束聚天線。
  4. On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

    本文在成像理論基礎上,系統、深入地分析了共掃描顯微成像機理,論述了應用單模光纖激光共掃描顯微成像系統;進行了總體方案論證,並設計確定了單模光纖激光共掃描顯微成像系統總體方案;從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間關系,分析了系統耦合效率和漸暈現象對光學系統設計要求;完成了方案中光學系統和二維掃描控制電路設計,並在電路設計中採用了用軟體解決檢流計式光學掃描器(振)非線性問題新方法,能夠實現較為理想二維模擬掃描;完成了高增益、低噪聲和低失真探測接收系統設計和調試。
  5. Spot diameters of just a few thousands of an inch can readily be attained with convenient short focal length lenses.

    用普通不難得到直徑只有幾十微米
  6. 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

    穿越薄樣本電子被帶到目標背面平面一個,這個,象所有電子一樣,充當了聚作用,因此,構造了在這個背面平面衍射模式。
  7. At last, we discussed the spillover and illumination level. with experiments of single beam and multiple beam lens antenna, we got results that their specifications achieved the project goals

    在此基礎上,設計了多波束天線,並對設計多波束聚天線進行模擬和試驗。
  8. Lenses can be placed between the beam splitter and the computer display to focus the image so that it appears at a comfortable viewing distance

    在分光和電腦顯示器之間放幾個,即可調整影像,使它看起來像是隔著某個舒適觀察距離。
  9. A focal plane imaging is limited in catching object when spot - focusing horn lens antenna is applied in ballistic wake microwave interferometer. so we consider to designing multiple beam focusing horn lens antenna in order to augment the range of catching and enhance the probability of hitting the target

    本文主要工作是針對彈道靶尾跡微波干涉儀里單波束捕捉目標有效性能不足,而考慮設計一個具有多波束聚天線,以增大捕捉范圍和提高中靶率。
  10. We designed, simulated and experimented multi - beam lens antenna based on spot - focusing lens antenna ’ s designing, computer simulation, experiment and analysis. in this paper, the author adopted different methods to discuss resolution including geometry optics, gaussian beam and vector diffraction integration

    然後在對單波束天線進行設計、模擬和試驗基礎上,進行準確分析,以作為多波束天線設計理論基礎。
  11. 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

    在提出各種新型可變技術中,基於介質上電潤濕微流體由於其結構簡單、功耗低、調節距方便等眾多突出而被人們所重視。
  12. The field distribution and propagation properties in sil system is analysed, and the relationship between the focusing spot size and the defocusing amount is also described. moreover, a novel model is proposed on basis of the fdtd analysis that can make us increase the distance between sil and recording medium without decreasing the recording density

    模擬過程中還發現,在小尺寸sil(半徑為波長量級)離時,系統可以被推移到離sil底面較遠位置而不會產生大解析度損失,根據該結果我們提出了一種增大sil底面與存儲介質間距方案,該方案對于sil高密度光存儲系統實用化研究具有重要意義。
  13. In reference 1, based on optical principle, and using microscope " s f ocu sing method, a method of measuring the thickness and refractive index of transpa rent material is presented ; besides, according to the quantitative correspondenc e relationship between the refractive index and the density of some solution, a method of measuring the density of solution is presented too

    文獻1是根據光學原理,運用顯微調方法提出了測量明材料厚度和折射率方法;在此基礎上,根據不少溶液折射率和濃度均有定量對應關系,提出測定濃度簡易方法。
  14. This procedure ensures that within focusing be noted however, that for a ' three - lens ' microscope the necessity of this procedure has the consequence that s. a. d. can be obtained at only one magnification ( for a constant projector lens setting ) which is a considerable disadvantage of such microscopes

    這個過程保證了盡管聚被標明了,過程中對於三顯微必須性有了結論: s . a . d .可以通過僅僅一次放大(通過一種固定投影設置)取得,對于這類顯微來說,這是一個永遠
  15. In order to measure the focal length of lens automatically, linear ccd is used as receiver on behalf of eyes on the basis of original experiment equipment measuring the focal length of lens. a kind of method determining the focal plane automatically is put forward and analysed theoretically in this text, based on the theory of point spread function

    本文基於擴散函數理論,提出一自動檢方法,對該方法進行理論分析,並通過實驗驗證了該方案可行性;確定面后,在處理測量數據過程中,文中對常用幾種方法進行了比較和分析,最後採用質心法來實現對測量。
  16. 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平面波聚、結構異向介質源會聚等實驗都得到了和預期接近初步結果;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實驗研究和基於微帶電路結構單元異向介質進行了計算機模擬研究,也取得了較好結果。
  17. At the fixed laser energy, the results show that the line intensity and stability can be enhanced if the focus of lens is set into the sample

    實驗結果顯示在激光能量一定時,對激光束進行會聚透鏡的焦點在樣品內部時,能提高libs信號強度和穩定性。
分享友人