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Zhiyuan Yu, Xiaoxia Wu and Fuguo Wang
Active optics is a key technology in ground-based large-aperture telescopes. The active correction of the surface shape of the primary mirror is used to reduce the surface shape error and improve the imaging quality. At present, the structure of the acti...
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Dongbing Guo, Chunhui Wang, Baoling Qi, Yu Zhang and Qingyan Li
Active imaging technology can perceive the surrounding environment and obtain three-dimensional information of the target. Among them, light detection and ranging (LiDAR) imaging systems are one of the hottest topics in the field of photoelectric active ...
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Yeon-Hyeok Park, Mun-Shin Jo, Hun-Young Kim, Dai-Ho Ko and Hyun-Ung Oh
The on-board tilting mirror calibration mechanism has a mechanical driving part that helps to achieve the main functional modes of deployment and stow when calibrating a spaceborne imaging sensor. In general, it is necessary to consider a holding and rel...
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Chao Wang, Tao Zhang and Weibo Wang
A mirror-based Schwarzschild microscope with a wide spectrum and a long working distance was investigated to perform precise assemblage of detectors. We employed a gradient square method to construct the evaluation function for realizing accurate quantit...
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Qingpeng Zhang, Yi Tan, Ge Ren and Tao Tang
The main disadvantage of windowless beam expansion systems is that they cannot achieve a good sealing effect. Turbulence and impurities in the environment can easily affect the imaging and primary mirror. Thus, in this study, a matrix of small holes was ...
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Ruoxin Liu, Zexiao Li, Yiting Duan and Fengzhou Fang
Off-axis reflective optical systems find wide applications in various industries, but the related manufacturing issues have not been well considered in the design process. This paper proposed a design method for cylindrical reflective systems considering...
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Qiang Li, Huan Deng, Senlin Pang, Wenhao Jiang and Qionghua Wang
In this paper, we propose a reflective augmented reality (AR) display system based on integral imaging (II) using a mirror-based pinhole array (MBPA). The MBPA, obtained by punching pinholes on a mirror, functions as a three-dimensional (3D) imaging devi...
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Nimazhap Badmaev and Aleksandr Bazarov
The monitoring network for the measurement of atmospheric and soil climate parameters was created at the southern boundary of the permafrost zone within the territory of the Republic of Buryatia, Russian Federation. Based on the obtained data, the proces...
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J. A. Koch, T. W. Barbee, Jr., N. Izumi, R. Tommasini, R. C. Mancini, L. A. Welser, and F. J. Marshall
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Watabe, K. Oyama, N. Mase, A. Mizuno, K.
Pág. 2282 - 2286
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