焦距標度 的英文怎麼說

中文拼音 [jiāobiāo]
焦距標度 英文
distance scale
  • : 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 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 焦距 : [光學] focal distance; focal length
  1. 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

    為減少打畸變,採用垂直二維振鏡分佈, f物鏡聚,將激光束經第二個振鏡反射後到加工平面的離為f ,為了避免打時間過長,溫過高破壞諧振腔,在設計中加上冷卻系統和自我保護裝置。
  2. Firstly, the system is divided into many modules according to different point of view ; secondly, to the hardware equipment - vidicon, lenses, revolver, shield and decode device, their principle of work has been explained ; thirdly, according to image identification experience and other indexes of the system, the focus of the lenses and relative aperture are calculated, and the type of the camera is confirmed, at the same time, the energy of infrared lamp is also computed in the thesis ; at the same time, synthesis control box is devised

    首先,按照角的不同,將系統劃分成許多模塊。其次,對硬體設備? ?攝像機,鏡頭,雲臺,防護罩,解碼器等的工作原理進行了闡述,再次,以人的成像辨認的經驗判據為依據,結合系統的其它指,設計計算出鏡頭的f 、相對孔徑d ,同時確定攝像機的型號,並計算出紅外燈光源。最後,對綜合控制箱進行設計,指出了設計的意義,實現的功能,並附上了綜合控制箱的外形圖。
  3. The paper has introduced a new means on the automatic focus that take advantage of the video peak to change the position of the focusing lens to achieve a clear picture

    摘要介紹了一種新型的自動調的方法,它利用電視跟蹤系統視頻信號的峰值變化控制調鏡組,來調整由於目離、溫等變化引起的成像面變化,得到清晰圖像,完成電視自動調
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