aspherical surface造句
例句与造句
- 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。 - moreover, aspherical surface error in sagittal plane was found, and bended beam ’ s radius r, position s of concentrated load p and length l of arc which were suited for aspherical figure accuracy of both tangential plane and sagittal plane were given
此外,本文对有限元法分析过程也进行了简要说明,并用有限元软件patran/nastran对上述曲梁的计算进行了复核。 - 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。 - besides, the test and test result of some key components, eg . pev and the infrared laser system, are introduced . finally described is the special measurement, with infrared phase-shifting twyman interferometer, of a rough reflective surface and an aspherical surface
文中还介绍了对pev、红外激光系统等关键部件的测试与调试结果，介绍了利用红外干涉仪进行的特殊测试如抛光前的光学粗糙表面及某些非球面面形等。 - the reasons to choose aspherical grads method as the principle were presented . the two spheres which were gotten from aspherical grads method and least square method were analyzed by fem software, and the deviation with the wanted aspherical surface and the maximum stress were compared under same confined condition, same loading position and loading points . also, we proved that the sphere gotten from aspherical grads method has less surface error and stress after deformation
用有限元软件分别对非球面变化梯度法和最小二乘法所获球面进行了分析,比较两种球面在相同边界条件、相同加载位置和个数下,与所需非球面的面形误差和应力的大小,证明了用非球面变化梯度法所获得的球面在变形后,面形精度更高,应力更小。 - It's difficult to find aspherical surface in a sentence. 用aspherical surface造句挺难的
- 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。 - 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。 - the mathematic model of the ultra-thin spherical mirror is to be treated as elastic thin shell . then the predigested model, i . e ., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up . based on an off-axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根据这一设想,本文建立了超薄镜的数学模型?薄壳,并提出了强制力作用下超薄镜的简化模型?曲梁,推导了曲梁在简支情况下受力变形的挠度公式,并结合一个实例,计算出曲梁变形后与所需非球面的面形残差(rms)在子午方向与曲梁弧长l、曲梁半径r及集中力位置s的关系及满足面形精度的r和s范围,分析了弧矢方向的rms,得出了同时满足子午和弧矢方向面形要求的l、r和p。