Results 21 to 30 of about 4,057,878 (286)

Co-Correcting: Combat Noisy Labels in Space Debris Detection

Remote Sensing, 2022
Space debris detection is vital to space missions and space situation awareness. Convolutional neural networks are introduced to detect space debris due to their excellent performance.
Hui Li, Zhaodong Niu, Quan Sun, Yabo Li
doaj   +1 more source

The progress of laser ranging technology at Shanghai Astronomical Observatory

Geodesy and Geodynamics, 2019
As an important station of International Laser Ranging Service (ILRS), Shanghai Astronomical Observatory (SHAO) has upgraded Satellite Laser Ranging (SLR) system with high repetition rate and achieved some technological progress.
Zhibo Wu, Haifeng Zhang, Huarong Deng, Mingliang Long, Zhien Cheng, Zhongping Zhang, Wendong Meng   +6 more
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Cold Welding Based Space Debris Removal System [PDF]

INCAS Bulletin, 2021
Space Debris is a major problem posing a great threat to all the future space travels as well as to all the satellites which are orbiting around the earth.
Hitesh DHAWAN, Ramesh KUMAR
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Electromagnetic-launch-based method for cost-efficient space debris removal

Open Astronomy, 2020
The increase in space debris orbiting Earth is a critical problem for future space missions. Space debris removal has thus become an area of interest, and significant research progress is being made in this field.
Hou Chongyuan, Yang Yuan, Yang Yikang, Yang Kaizhong, Zhang Xiao, Lu Junyong   +5 more
doaj   +1 more source

Search for design solutions to prevent the Kessler effect [PDF]

E3S Web of Conferences, 2023
The article deals with the problems of near-earth space associated with the formation of objects called "space debris". The main sources of the appearance of "space debris" in near-earth orbits are highlighted.
Terekhova N., Brekalov V., Kumashkova A., Dyukov M.   +3 more
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Estimating the Inertia Tensor Components of an Asymmetrical Spacecraft When Removing It from the Operational Orbit at the End of Its Active Life

Sensors, 2023
The paper presents a method for estimating the inertia tensor components of a spacecraft that has expired its active life using measurement data of the Earth’s magnetic field induction vector components.
A. V. Sedelnikov, D. I. Orlov, M. E. Bratkova, E. S. Khnyryova   +3 more
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Space debris

Scholarpedia, 2011
Space debris are all man made objects including fragments and elements thereof, in Earth orbit or re-entering the atmosphere, that are non functional. This widely accepted official definition was adopted by the Inter-Agency Space Debris Coordination Committee (IADC), an international governmental forum for the worldwide coordination of activities ...
openaire   +3 more sources

Space Debris Detection Using Feature Learning of Candidate Regions in Optical Image Sequences

IEEE Access, 2020
Space debris detection is important in space situation awareness and space asset protection. In this article, we propose a method to detect space debris using feature learning of candidate regions. The acquired optical image sequences are first processed
Jiangbo Xi, Yaobing Xiang, Okan K. Ersoy, Ming Cong, Xin Wei, Junkai Gu   +5 more
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Enhancing Bidirectional Modbus TCP ↔ RTU Gateway Performance: A UDP Mechanism and Markov Chain Approach

Sensors
In the Industrial Internet of Things (IIoT) field, the diversity of devices and protocols leads to interconnection challenges. Conventional Modbus Transmission Control Protocol (TCP) to Remote Terminal Unit (RTU) gateways suffer from high overhead and ...
Shuang Zhao, Qinghai Zhang, Qingjian Zhao, Xiaoqian Zhang, Yang Guo, Shilei Lu, Liqiang Song, Zhengxu Zhao   +7 more
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Inversion of Space Debris Material by Synthetic Light Curves

Aerospace, 2023
Ground-based optical observation of GEO space debris plays an essential role in tracking, identifying, cataloging, and classifying space debris. The factors that affect the brightness of space debris include size, surface material, illumination geometry,
Yuchen Jiang, Shaoming Hu, Junju Du, Xu Chen, Hai Cao, Shuqi Liu, Shuai Feng   +6 more
doaj   +1 more source