中国科学院机构知识库网格系统: 检索

Calibration procedures for the CHASE/HIS science data 期刊论文 OAI收割
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2022, 卷号: 65, 期号: 8
作者: Qiu, Ye; Rao, ShiHao; Li, Chuan; Fang, Cheng; Ding, MingDe

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收藏 | 浏览/下载：47/0 | 提交时间：2022/08/01

space-based telescope solar physics chromosphere photosphere

Study of the impact of co-phasing errors for segmented primary mirror using nonlinear analysis 期刊论文 OAI收割
Optik, 2019, 卷号: 191, 页码: 80-88
作者: H.S.Yang; X.J.Zhang; Z.L.Li; X.K.Wang; M.M.Xu

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收藏 | 浏览/下载：41/0 | 提交时间：2020/08/24

Ultra large aperture,Space-based telescope,Segmented primary mirro,Co-phasing error,Wavefront deformation,piston error,telescopes,Optics

Antenna design and implementation for the future space Ultra-Long wavelength radio telescope 期刊论文 OAI收割
EXPERIMENTAL ASTRONOMY, 2018, 卷号: 45, 期号: 2, 页码: 231-253
作者: Chen, Linjie; Aminaei, Amin; Gurvits, Leonid I.; Wolt, Marc Klein; Pourshaghaghi, Hamid Reza

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收藏 | 浏览/下载：38/0 | 提交时间：2020/03/11

Ultra-long wavelength Radio astronomy Space-based radio telescope

空间引力波探测望远镜初步设计与分析/Preliminary design and analysis of telescope for space gravitational wave detection 期刊论文 OAI收割
中国光学, 2018, 卷号: 11, 期号: 1, 页码: 131-152
作者: 王智; 沙巍; 陈哲; 王永宪; 康玉思

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收藏 | 浏览/下载：97/0 | 提交时间：2018/10/24

望远镜空间引力波探测空间太极计划 LISA 激光干涉测量系统 telescope space-based gravitational waves detection Taiji Programe in Space LISA laser interferometric system

Pose Estimation of Space Targets Based on Model Matching for Large-Aperture Ground-Based Telescopes 期刊论文 OAI收割
Cmes-Computer Modeling in Engineering & Sciences, 2018, 卷号: 117, 期号: 2, 页码: 271-286
作者: Li, Z. W.; Wang, J. L.; Chen, T.; Wang, B.; Wu, Y. H.

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收藏 | 浏览/下载：16/0 | 提交时间：2019/09/17

Ground-based telescope pose estimation correlation matching space target image restoration Engineering Mathematics

Study on ultra-light secondary baffle for coaxial two-mirror telescope (EI CONFERENCE) 会议论文 OAI收割
2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012, August 5, 2012 - August 8, 2012, Chengdu, China
作者: Zhang L.; Zhang L.

收藏 | 浏览/下载：60/0 | 提交时间：2013/03/25

The coaxial two-mirror telescope consists of two mirrors facing each other. Classical two-mirror arrangements are Gregorian and Cassegrain. These systems are usually applied to space telescopes and often have optical baffles to prevent stray light from entering the focal plane. The optical baffles consist of concentric rings suspended between the secondary and the primary mirror. The secondary baffle for a large two-mirror optical system is designed and analyzed in this paper. According to mission of a telescope the structure should have high stiffness and high reliability and light weight. Compared with invar aluminum alloy and titanium alloy carbon fiber composite is currently the best material in terms of weight-to-strength ratio. It also has advantages of high temperature tolerance and low thermal expansion. So carbon fiber composite is chosen as material to meet requirements of the coaxial telescope. In this paper optimization method based on finite element analysis (FEA) is used for design the secondary baffle. Minimum weight of the baffle is chosen as an objective function. Thicknesses of former tube and vanes are chosen as variables. Analysis results show that the designed secondary baffle has maximum diameter of 180mm total length of 120mm and weighs 142g. And its fundamental frequency reaches 651Hz. Therefore the baffle has many advantages such as ultra-light weight high stiffness and dimensional stability etc. The optimization method and the baffle design can be helpful to other coaxial telescopes such as Cassegrain Gregorian and their subdivisions. 2012 IEEE.

Design and experimental research of a new type focus mechanism used in space-based telescope (EI CONFERENCE) 会议论文 OAI收割
2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012, August 5, 2012 - August 8, 2012, Chengdu, China
作者: Wang D.

收藏 | 浏览/下载：34/0 | 提交时间：2013/03/25

The position of focal plane will be changed because of temperature fluctuation and vacuum environment. In order to make the telescope work well positioning accuracy of the mechanism is 0.008mm. The performance satisfies the need of precision a focusing mechanism is needed. To majority of large space-based telescopes and the scheme design is reasonable and practicable. 2012 IEEE. the general way to do this would be to use a reflector which was located in the backfocal distance. One of typical schemes of this mechanism was introduced however because of the big axial size the mechanism can't be used when the size of the enclosure was limited. A new type of focusing mechanism was introduced which has such advantages of small size high accuracy and low mass. The design and test methods had been discussed. According to the results the repeatability positioning accuracy is 0.0025mm

LUT: A Lunar-based Ultraviolet Telescope 期刊论文 OAI收割
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY, 2011, 卷号: 54, 期号: 3, 页码: 558-562
作者: Cao Li; Ruan Ping; Cai HongBo; Deng JinSong; Hu JingYao

收藏 | 浏览/下载：29/0 | 提交时间：2017/04/20

ultraviolet space-based ultraviolet telescope photometric instrumentation lunar probe

LUT: A Lunar-based Ultraviolet Telescope 期刊论文 OAI收割
science china-physics mechanics & astronomy, 2011, 卷号: 54, 期号: 3, 页码: 558-562
作者: Cao Li; Ruan Ping; Cai HongBo; Deng JinSong; Hu JingYao

收藏 | 浏览/下载：53/0 | 提交时间：2011/09/30

ultraviolet space-based ultraviolet telescope photometric instrumentation lunar probe

Study on spectrograph for ionosphere: A broadband imaging instrument prototype for far-ultraviolet (EI CONFERENCE) 会议论文 OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China
作者: Wang S.-R.; Lin G.-Y.; Yu L.

收藏 | 浏览/下载：35/0 | 提交时间：2013/03/25

Current research on space-based exploration for the ionosphere needs more advanced technologies. Because the spectral signals in the ionosphere distributing basically in the far-ultraviolet waveband are very weak. Usual spectrometer structures and detectors such as CCD can't receive enough information. Based on this principle of atmospheric sounding the imaging spectrometer prototype for ionosphere detection application was designed to solve the problem. This prototype consists of the telescope and the imaging spectrometer. The simple structure and small number of mirrors can help higher transmission efficiency be achieved and weak signals detection be implemented. The telescope is an off-axis parabolic mirror and the spectrometer is a modified Czerny-Turner spectral imaging system. Modified Czerny-Turner spectrometer contains a spherical mirror a fixed plane grating and a toroidal mirror. By adjusting the incident angle to the collimating mirror and using toroidal mirror coma and astigmatism were corrected well. We also optimize distances between the grating to the focusing mirror and the focusing mirror to the image plane to improve disadvantages of traditional Czerny-Turner structure. Designed results demonstrate that aberrations are substantially corrected and high image quality can be obtained in broad waveband. The photon counting Wedge-Strip-Anode detector with micro-channel planes as the receiving plane is accepted for the instrument prototype. The other photon counting 2-D detector responding well for weak light such as Cross-Delay line detector and MAMA detector can also be used for detection. The calibration and performances testing system is made of a vacuum system a deuterium lamp a monochrometer and the instrument prototype. Results obtained from the experiment show that the spectral resolution is 2.4 nm and the spatial resolution is 80 m. The other calibration experiments are running. The technology of the spectrometer prototype is important for the research and applications of ionosphere remote sensing. 2011 SPIE.