Ms. Shuxia Pang Profile

Shuxia Pang

at Abax Sensing

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Proceedings Article | 24 October 2017 Paper

Space-based detection of space debris by photometric and polarimetric characteristics

Shuxia Pang, Hu Wang, Xiaoyun Lu, Yang Shen, Yue Pan

Proceedings Volume 10463, 104631B (2017) https://doi.org/10.1117/12.2285141

KEYWORDS: Polarimetry

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The number of space debris has been increasing dramatically in the last few years, and is expected to increase as much in the future. As the orbital debris population grows, the risk of collision between debris and other orbital objects also grows. Therefore, space debris detection is a particularly important task for space environment security, and then supports for space debris modeling, protection and mitigation. This paper aims to review space debris detection systematically and completely. Firstly, the research status of space debris detection at home and abroad is presented. Then, three kinds of optical observation methods of space debris are summarized. Finally, we propose a space-based detection scheme for space debris by photometric and polarimetric characteristics.

Proceedings Article | 24 October 2017 Paper

Optical system design of lunar rover navigation camera

Hu Wang, Jie Liu, Meiying Liu, Yaoke Xue, Yang Liu, Shangmin Lin, Xibin Zhang, Feng Wang, Shuxia Pang

Proceedings Volume 10463, 104631C (2017) https://doi.org/10.1117/12.2285166

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The optical system of lunar rover navigation camera has a direct influence on imaging quality, and an indirect influence on the programming of march forward of lunar rover. One type of lunar rover navigation camera optical system with the symmetrical structure was introduced. It also set up the suitable position of stop to achieve the relative distortion lower than 0.053 percent under the 60 degrees wide field-of-view. It applied the hyperfocal distance principle to achieve the clear imaging from 0.5 meter to infinity. The modulation transfer function is close to diffraction limit at the Nyquist frequency (at standard object distance). Considering the complicate environment of lunar surface and the demand of exploration, it selected the appropriate work spectral coverage and was cooperated by the irradiation reinforce. As a result, it can bear 1×10⁴ Rad (Si) space irradiation and is capable of keeping working normally in the severe environment with its temperature varying from -60°C to + 90°C.

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