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航天器用大视场低畸变光学系统的研究

open access: yes, 2008
随着中国综合国力的提高以及航天工程技术的积累,中国载人航天事业正在稳步推进。本文设计的光学系统将用于观察神州七号宇航员出舱活动情况,根据设计要求决定了摄像装置的光学系统是一个大视场低畸变系统。文章在分析了摄像装置应用环境的基础上,综合考虑各方面因素,提出了一种实现大视场低畸变光学系统设计方案,设计了符合要求的光学系统。最后,根据摄像装置的应用环境特点,对光学系统进行了杂光系数的计算。设计光学系统时,综合考虑近地空间环境对光学系统成像质量的影响。在环境影响方面,文中首先主要分析了空间辐射 ...
闫阿奇
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[Finite element analysis of tibial and femoral resection configurations on varus alignment in total knee arthroplasty]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liang C   +8 more
europepmc   +1 more source

[Correlation between fourth brachymetatarsia and hallux valgus]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Liang J   +7 more
europepmc   +1 more source

[Treatment of foot and ankle deformities combined with knee and lower limb deformities using QIN Sihe's surgical strategy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zang J   +6 more
europepmc   +1 more source

[Application of femoral condyle sliding osteotomy in initial total knee arthroplasty]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang X, Ma J, Zhang S, Tan R.
europepmc   +1 more source

[State-of-the-art in peripheral nerve injury diagnosis and therapy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Sun J, Chen L.
europepmc   +1 more source

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