Results 101 to 110 of about 40,602 (165)

Three-Dimensional Reconstruction of Fragment Shape and Motion in Impact Scenarios. [PDF]

Sensors (Basel)
Davoudkhani M, Maas HG.
europepmc   +1 more source

An axiomatic system engineering design method based on NSGA-II algorithm applied to complex systems. [PDF]

Sci Rep
Zhang X, Zhang Q, Zhao Q, Zhao S, Zhao Y, Guo Y, Zhao Z, Song L.   +7 more
europepmc   +1 more source

GMF-Net: A Gaussian-Matched Fusion Network for Weak Small Object Detection in Satellite Laser Ranging Imagery. [PDF]

Sensors (Basel)
Zhu W, Gong W, Wang Y, Zhang Y, Hu J.
europepmc   +1 more source

An Efficient and Robust Ellipse Detection Method for Spacecraft Docking Rings in Complex Scenes. [PDF]

Sensors (Basel)
Wu Q, Shu A, Pei H, Yu K, Luo M, Liu Y.
europepmc   +1 more source

High-Resolution OCT Profiling of Bruch's Membrane in Extensive Macular Atrophy With Pseudodrusen-Like Appearance and Geographic Atrophy. [PDF]

Invest Ophthalmol Vis Sci
Quarta A, Alhelaly M, Romano F, Soylu C, Rattu R, Nardi C, Trinco A, Corvi F, Abbasgholizadeh R, Chujo S, Corradetti G, Feo A, Nittala MG, Huang J, Staurenghi G, Sadda SR.   +15 more
europepmc   +1 more source

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Electromagnetic pinned solitons for space debris detection

Physics of Plasmas, 2023
Electromagnetic “pinned” solitons in the form of stationary nonlinear waves are studied within the framework of an inertial magneto-hydrodynamic model. These structures, that can arise when a charged source moves in a magnetized plasma, have a velocity that is equal to the source velocity and, hence, appear as “pinned” structures that envelope the ...
Abhijit Sen, Rupak Mukherjee, Sharad K. Yadav, Chris Crabtree, Gurudas Ganguli   +4 more
openaire   +1 more source

Space debris: modeling and detectability

SPIE Proceedings, 2017
High precision orbit determination is required for the detection and removal of space debris. Knowledge of the distribution of debris objects in orbit is necessary for orbit determination by active or passive sensors. The results can be used to investigate the orbits on which objects of a certain size at a certain frequency can be found.
C. Wiedemann, J. Lorenz, J. Radtke, C. Kebschull, A. Horstmann, E. Stoll   +5 more
openaire   +1 more source

Space debris detection in optical image sequences

Applied Optics, 2016
We present a high-accuracy, low false-alarm rate, and low computational-cost methodology for removing stars and noise and detecting space debris with low signal-to-noise ratio (SNR) in optical image sequences. First, time-index filtering and bright star intensity enhancement are implemented to remove stars and noise effectively.
Xi, Jiangbo, Wen, Desheng, Ersoy, Okan K., Yi, Hongwei, Yao, Dalei, Song, Zongxi, Xi, Shaobo, Xi, Jiangbo (xi15@purdue.edu)   +7 more
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Simulation System for Space Debris Intelligent Detecting

2021
Space debris has become a major potential safety hazard to the on-orbit spacecraft, which must be considered when launching a spacecraft. A simulation verification system which ground-based and can simulate the debris detecting onboard was established. The system consists of three sub-systems.
Feng Shi, Yuee Chang, Donglei He, Kunpeng Wang, Huaifeng Li   +4 more
openaire   +1 more source