mirror aperture 中文意思是什麼

mirror aperture 解釋
反射鏡孔徑
  • mirror : n. 1. 鏡；反射鏡。2. 反映；借鑒；榜樣。vt. 映，反射；反映。
  • aperture : n. 1. 孔，隙縫。2. （照相機的）光圈；孔徑，口徑。
  1. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  2. Actually, the mask and openings are not really necessary; the mirror alone could serve as aperture.

    其實，擋光板及其上的開孔都是不必要的；單單反射鏡本身就可以起小孔的作用。
  3. The unfocused aspherical surface system is one of the main structure of large emiting system. in the system, the more large the relative aperture of primary mirror, the more small the focal length and the tube of system, and the more light the weigth

    這個系統中的主反射鏡的相對孔徑越大，其焦距就越短，相應地系統筒長就越短，重量就越輕，這樣就越能滿足車載或機載系統的實戰要求。
  4. This paper is a part of the project : research of manufacturing technology for unfocused aspherical surface system of large relative aperture, sponsored by national high technology 863 - 802. the purpose of this paper is deeply research the testing methods of primary and second mirror for unfocused aspherical surface, and to present the testing methods of primary mirror of the large relative aperture and transmission and reflected second mirror. the beam path diagrams and the relative design results are given in this paper

    本文是國家高技術項目863 - 802的子課題「大相對孔徑無焦非球面系統製造技術研究」的一部分，其目的是對大相對孔徑無焦非球面系統的主鏡和次鏡檢驗方法進行深入研究，提出大相對孔徑主鏡和透射式及反射式次鏡檢驗方法，並給出檢驗方案和相關的設計結果。
  5. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。
  6. With the enlargement of the aperture, the weight of mirror is increased rapidly, which brings a series of technical problems

    隨著主鏡口徑的增大，其自重也急劇增加，並由此帶來一系列技術難題。
  7. Shibin wu ( optical engineering ) directed by yapei yang ， jiahu yuan manufacturing technologies for large - aperture lightweight mirror are one of the development directions in advanced optical manufacturing technologies. the lightweight mirror has the incomparable advantages than that of the solid mirror. the lightweight mirror has overcome the mirror surface deformation caused by selfweight of the solid mirror, reduces or eliminates the deformation of thermal expansion in solid mirror surface induced by environmental temperature variations and temperature gradient appeared on mirror body. mechanical weight - reduction is one of the three lightening technologies for large - aperture mirror. the technology has the advantages of simple process, small technical difficulty, common equipment conditions and wide material selection range. the technology has been extensively investigated and applied in the technical field of optical engineering at home and abroad

    它克服了實心反射鏡因自重而引起的鏡面變形，降低或消除了實心反射鏡因環境溫度變化及鏡體溫採用機械鉆銑輕量化技術的輕型鏡研製度梯度的出現而產生的鏡面熱膨脹變形。機械減重輕量化技術是大口徑反射鏡輕量化技術的三種方法之一。它具有工藝簡單、技術難度較小、設備條件要求不高和選材范圍廣泛等優點，在國內外光學工程技術領域得到了廣泛的研究和應用。
  8. Measurement of phase difference caused by plane mirror for laser launched and received in common aperture

    共孔徑偏振耦合分光系統中反射鏡造成的相位延遲差的測量
  9. Computer controlled grinding and on - line testing of large - aperture planetary silicon carbide mirror

    大口徑碳化硅平面反射鏡的數控研磨與在線檢測
  10. Muti - aperture overlap - scanning technique ( maost ) and target function can solve the problem of testing a large optical surface on the basis of ordinary digital interferometer of wavefront, and get the most information of wavefront in the end in the condition of big kr, muti - aperture overlap - scanning technique ( maost ) using target function is proved and we can get the most information of wavefront in the case of guarantee of high precision by the aid of simulation, experimental and tests, many influential factors, i. e., the apertureconnection mode, shape of mirror, error in subaperture test and kr are analysed contribute to controlling and testing large optical surface

    本文首先在較大孔徑放大系數（ 4 ）的情況下，論證了目標函數多孔徑拼接技術，保證了較高的精度，得到較完整的波前信息。然後，結合實驗結果，從拼接模式、被測面形、測量誤差、數字干涉儀解析度和不同孔徑放大系數等角度出發，分析了各種因素對精度的影響，並詳盡的探討了各種誤差源，包括靜態誤差、動態誤差、擬合誤差、拼接誤差。
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