鏡口徑 的英文怎麼說

中文拼音 [jìngkǒujìng]
鏡口徑 英文
aperture of mirror
  • 鏡 : 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...
  • 口 : Ⅰ名詞1 （人或動物進飲食的器官; 嘴） mouth 2 （容器通外面的地方） mouth; rim 3 （出入通過的地方） ...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  1. The optical manufacturing for off - axis aspheric mirrors has become increasingly challenging for two reasons. the mirrors, in addition to being larger, are more aspheric and off - axis in order to meet the requirement of next generation space camera, which is commonly configured as three - mirror - anastigmat ( tma ) to get both wide fov and high resolution, and the required accuracy is more stringent

    近年來，人們提出了「離軸三反消像散」 （ tma ）結構來滿足下一代空間相機「詳查」和「寬覆蓋」的技術要求，該結構中要求使用三塊離軸非球面反射鏡，而大口徑、高精度離軸非球面反射鏡的製造技術是研製tma結構空間相機的主要技術瓶頸之一。
  2. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此，本論文重點對大口徑光學系統在高精度光學鏡頭裝校中，因重力變形進行了詳細的分析研究，特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析，使用algor有限元分析軟體獲得了大量的面形誤差分析數據，然後將這些數據繪成曲線進行對比分析，最後提出了減小重力變形的措施與方案，並進行了實驗，驗證了分析結果是正確的，減小重力變形的方法是有效的。
  3. The primary mirror is 80 cm in diameter, a respectable size even for an observatory on the ground.

    主鏡的直徑為80厘米，這一口徑即使在地面天文臺也是很可觀的。
  4. Regarding groundbased observation, the largest optical telescopes to date are the twin 10 - m keck telescopes on mauna kea of hawaii

    位於夏威夷蒙那基亞山上的卻克望遠鏡，口徑達10米，是目前世上最大的光學望遠鏡。
  5. Two astronomers at the university of british columbia observed the subaru deep field heros with the submillimetre scuba camera at the james clerk maxwell telescope a 15 metre aperture radio telescope, also on mauna kea

    加拿大英屬哥倫比亞大學兩位天文學家，亦利用同樣位於莫納克亞山上的麥克斯偉望遠鏡james clerk maxwell telescope ，口徑15米的亞毫米波段射電望遠鏡，對從sdf中所發現的四個hero進行觀測。
  6. He identified some objects in the subaru deep field that were redder than the usual eros. the subaru deep field was taken in 1999 with the subaru telescope while aiming at a small patch of the sky in coma berenices and exposing for 1. 33 hours. having a 8. 2 metre mammoth mirror, the subaru telescope is located on the summit of the 4, 200 m mauna kea observatory in hawaii

    他從昴星望遠鏡於1999年對著后發座一小片星空曝光長達79分鐘所拍攝的星野照片subaru deep field或簡稱sdf中，找出四個比ero更紅的天體昴星望遠鏡口徑為8 . 2米，是日本最大的望遠鏡，位於夏威夷4 ， 200米高山上的莫納克亞天文臺內。
  7. To date, with the aid of powerful telescopes, more than 8, 000 minor planets have been catalogued, with perhaps 50, 000 await future sightings

    迄今，藉著大口徑望遠鏡的協助，已有逾8 ， 000顆小行星被發現及編號，而未被發現的小行星更可能多達50 ， 000顆。
  8. He began examining nearby galaxies with a 10-inch refractor to see whether any stars had flared up.

    他用口徑10英寸的折射望遠鏡巡視鄰近的星系，查看是否有恆星已經閃亮。
  9. Focusing of ultrashort pulse by small - aperture lenses

    超短脈沖經過小數值口徑透鏡的聚焦特性
  10. 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。
  11. Aspheric mirrors and condensers in various diameters and relative apertures

    各種不同口徑及相對孔徑的非球面鏡及非球面聚光鏡。
  12. Angle masters with various angles, prisms, corner cubes and lage aperture and high precision cemented plate

    不同角度的標準角塊、棱鏡、角反射器（角錐棱鏡）及大口徑、高精度的光膠板。
  13. Accuracy analysis of stitching interferometry for test of largediameter mirror

    子孔徑拼接法檢驗大口徑光學鏡面精度分析
  14. Several test results of other, nff - axis aspheric mirrors are also given. all of the mirrors have accuracy better than 1 / 40x, and have fulfilled the demands by designer

    實踐證明，本文的研究適用於大口徑離軸非球面反射鏡的加工，有效地提高了非球面的加工效率和精度水平。
  15. Asm 1. 0 contains the entire ccos process, including best - fit sphere calculating, profiler test and anslysis, virtual grinding and polishing, cnc grinding and polishing, etc. as results, the manufacturing process of a f / 1. 17, 770mm x 200mm rectangular even high order off - axis aspheric mirror is presented as an example in detail

    最後，比較詳細地介紹了770mm 200mm ， f 1 . 17高次離軸非球面反射鏡的加工、檢驗過程，加工后200mm口徑范圍內加工精度達到0 . 013 rms ，完全滿足了設計要求。
  16. The special selections for this year include : pic du midi observatory in southern france, the 100 - m - diameter radio telescope in west germany, mare lmbrium area of the moon, milky way, voyager 2 encounters neptune and the m31 galaxy of andromeda

    選輯的十二幅珍貴天文圖片包括：法國日中峰天文臺西德一百米口徑射電望遠鏡月面雨海地區銀河航行者二號飛越海王星仙女座大星系m31等。
  17. 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。
  18. Thus, a telescope with larger collecting area, which usually means larger main mirror or lens, is more powerful. this is the main reason why we prefer large telescopes. large telescopes also improve the

    由於望遠鏡主鏡口徑越大，便意味著它的集光能力越強，即它的能力亦越強，難怪天文學家都是以大為美的傢伙。
  19. But the normal iceland crystal is a nature crystal and transparent. it is not easy to find pure and big iceland crystal, so it is difficult to make large - size polarizing device. at the same time, the process is complex and with high price

    但由於通常使用的冰洲石晶體是一種天然晶體，純凈的晶體很少，且不易得到大塊，所以晶體起偏鏡不容易做成大口徑，且價格高，加工工藝復雜。
  20. Progress on testing large aspheric mirror with annular subaperture method

    以環形子孔徑法檢測大口徑非球面主鏡的研究進展
分享友人
分享到 Line

分享到臉書