English translation for "relative aperture"
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- 口径比
相对孔径，相对口径
Related Translations:
- Example Sentences:
| 1. | Optical system design for lens with relative aperture of 11
相对孔径为11镜头的光学系统设计 | | 2. | Aspheric mirrors and condensers in various diameters and relative apertures
各种不同口径及相对孔径的非球面镜及非球面聚光镜。 | | 3. | Photographic lenses - methods for the measurement of the effective aperture , f - number and relative aperture
摄影镜头.有效孔径光圈数和相对孔径的测量方法 | | 4. | The relative aperture 1 : 2 is the limitation of the manufacturing and testing of aspherical surface by using traditional method
相对孔径1 ： 2已是传统非球面加工和检验的极限。 | | 5. | However , with the increasing of the relative aperture , it presents a austere challenge for manufacturing and testing technology
但是，随着相对孔径的增大，对加工技术和检验都提出了严峻的挑战。 | | 6. | When the relative aperture reaches to 1 : 1 . 3 , it is necessary to use advanced manufacturing technology and equipments . the progress of testing conditions and methods is also certain
当相对孔径达到1 ： 1 . 3时，必然需要先进的工艺制造技术和设备；检验条件和方法的进步也是完成这种镜面制造的必然要求。 | | 7. | 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
这个系统中的主反射镜的相对孔径越大，其焦距就越短，相应地系统筒长就越短，重量就越轻，这样就越能满足车载或机载系统的实战要求。 | | 8. | 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,按照角度的不同,将系统划分成许多模块。其次,对硬件设备? ?摄像机,镜头,云台,防护罩,解码器等的工作原理进行了阐述,再次,以人的成像辨认的经验判据为依据,结合系统的其它指标,设计计算出镜头的焦距f 、相对孔径d ,同时确定摄像机的型号,并计算出红外灯光源。最后,对综合控制箱进行设计,指出了设计的意义,实现的功能,并附上了综合控制箱的外形图。 | | 9. | This paper describes a new method to select these parameters , including to determine the focus length , relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars
本文介绍一种确定光学系统参数的新方法，包括通过参考比较已有星敏感器及其光学系统特性来选取新光学系统焦距、相对孔径和视场；根据所选取的参数预计星敏感器的捕获概率；采用综合恒星光谱方法确定光学系统中心波长和光谱范围。 | | 10. | 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
本文是国家高技术项目863 - 802的子课题“大相对孔径无焦非球面系统制造技术研究”的一部分，其目的是对大相对孔径无焦非球面系统的主镜和次镜检验方法进行深入研究，提出大相对孔径主镜和透射式及反射式次镜检验方法，并给出检验方案和相关的设计结果。 |
- Similar Words：
- "relative angular displacement" English translation, "relative angular momentum" English translation, "relative antenna gain" English translation, "relative antigen concentration" English translation, "relative aperature" English translation, "relative area response" English translation, "relative articulation" English translation, "relative astringency" English translation, "relative asymmetry" English translation, "relative atomic mass" English translation
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