Results 291 to 300 of about 247,098 (313)
Some of the next articles are maybe not open access.
Analysis of Defocus in Space Based Space Optical Debris Detection
ACTA PHOTONICA SINICA, 2016the reasons of the generation of defocus were discussed and the defocus change was analysed from the relative distance, atmospheric pressure and temperature change. the modulation transfer function model was proposed to study the image quality influenced by defocus. then different defocus value leading image blurry was simulated. the simulation results
曾德贤 ZENG De-xian +2 more
openaire +1 more source
Research on active and passive detection for space debris
AOPC 2017: Optical Sensing and Imaging Technology and Applications, 2017With the increasing frequency of human space activities, the number of spacecraft and space debris on track is increasing. In order to process the information of debris after detecting it in a very short time and reduce the size, weight and power consumption of the detection system at the same time, an active and passive composite optical detection ...
Lin Li, Xuefeng Wu, Juan Zhang
openaire +1 more source
The use of streak observations to detect space debris
International Journal of Remote Sensing, 2017Man-made space debris orbit around the Earth at many altitudes in different orbits and many launches add further debris to already congested orbits. The European Space Agency (ESA) GSTP-funded Optical IN-SITU Monitor project started in 2016 and aims to analyse the end-to-end processing pipeline from image acquisition to the extracted positions of space
Vives Vallduriola, Gerard +6 more
openaire +2 more sources
Millimeter-Wave Broadband Monopulse Radar Antenna for Space Debris Detection
IEEE Internet of Things JournalIn today’s world, artificial satellites play critical roles in communication, navigation, weather monitoring, and scientific research. However, the increasing presence of space debris poses a significant threat to their functionality and safety.
Farzad Karami, H. Boutayeb, Larbi Talbi
semanticscholar +1 more source
Analysis on the detection capability of the space-based camera for the space debris
SPIE Proceedings, 2016Based on the maximum detection range, the detection capability of space-based camera for space debris is analyzed in the paper. We perform grid generation method on the debris target and analyze the shadowing effects among the grids, building the geometry modeling of cone target sequentially. The calculation model of optical infrared characteristics is
Chao Wang +6 more
openaire +1 more source
Optical design of space debris detection system with wide field of view
Applied Optics and Photonics China, 2020At present, the frequency of human space activities continues to increase, resulting in more and more space debris, which poses a great threat to the working satellite.
Gengyao Zhang +3 more
semanticscholar +1 more source
System for an Active Detection of Orbital Debris in Space
Journal of Spacecraft and Rockets, 2016The physical properties and the number density of micrometeoroids and orbital debris are important parameters of the space environment. High-velocity interaction with spacecraft can be of serious concern for the operation of long-lived space structures and for man operations in space.
C. Durin, J. C. Mandeville, J. M. Perrin
openaire +1 more source
Autonomous Space Debris Detection and Risk Assessment System
International Journal For Multidisciplinary ResearchThe increased frequency of satellite launches combined with the increased rate of accumulation of space debris outstrips the capabilities of the monitoring systems currently in place.
Shreeya Pandey +3 more
semanticscholar +1 more source
The detection capability of space-based combined system for space debris
SPIE Proceedings, 2016It is urgent to tracking and making a catalog for space debris, since they are such serious threats to spacecraft. Space-based detection possess a great of development potential for its low energy consumption, high precision and miniaturization and other features.
Yalin Zhang +4 more
openaire +1 more source
Streak Detection for Space Debris observation
Man-made space debris orbit around the Earth at many altitudes in different orbits and many launches add further debris to already congested orbits. The ESA GSTP-funded Optical In-Situ Monitor project started in 2016 and aims to analyze the End-to-End processing pipeline from image acquisition to the extracted positions of space debris.Vallduriola, G.V. +6 more
openaire +1 more source

