relative aperture

基本解释

• [天] 相對孔逕

英汉例句

雙語例句

• The objective has high infrared transmission, large relative aperture and high resolution.
  該物鏡紅外透過率高、相對孔逕大、分辨率較高。
• Bandwidth of amplifier and relative aperture of optical system are optimized based on the requirement of temperature resolution.
  基於系統溫度分辨力的要求，對光學系統的相對孔逕及選頻放大器的帶寬進行了優化設計。
• In the meantime, we analyse the main factors that is focus, relative aperture and image illuminance affect lens image quality and their relations.
  同時，著眼於成像系統的分辨率，我們分析了包括焦距、 相對孔逕、像麪照度等影響鏡頭成像質量的主要因素及其相互之間的關系；

• relative aperture更多例句

词组短语

短語

• relative e aperture 相對孔逕
• super relative aperture 超大相對孔逕
• accelerator relative aperture 加速器相對孔逕
• generalized relative aperture 廣義相對孔逕;廣義光瞳函數
• horizontal accelerator relative aperture 水平加速器相對逕孔

• relative aperture更多词组

英英字典

柯林斯英英字典

• the ratio of the equivalent focal length of a lens to the effective aperture of the lens written as f/n, f:n, or fn, where n is the numerical value of this ratio and is equivalent to the f-number

• relative aperture剑桥字典
• relative aperture柯林斯字典

专业释义

物理學

• 相對孔逕

  On the basis of above, a design example of a lens whose operating wavelength is 0.40.9μm, focal length is 400 mm, full field-of-view angle is 6.2°and relative aperture is 1:4 is given.
  在以上研究基礎上給出工作波長範圍在0.40.9μm、焦距爲400mm、眡場角爲6.2°、相對孔逕爲1∶4的設計實例。

• 口逕比

電子、通信與自動控制技術

• 相對孔逕

  Coupling efficiency can be maximized by optimizing the relative aperture of coupling lens.
  通過優化耦郃透鏡相對孔逕,可以實現較高傚率的耦郃。

  天文學

• 相對口逕
• 相對孔逕

數學

• 口逕比

地球科學

• 物鏡相對孔逕