Results 11 to 20 of about 323 (141)

Localization and classification of space objects using EfficientDet detector for space situational awareness [PDF]

open access: yesScientific Reports, 2022
Space situational awareness (SSA) systems play a significant role in space navigation missions. One of the most essential tasks of this system is to recognize space objects such as spacecrafts and debris for various purposes including active debris ...
Nouar AlDahoul   +3 more
doaj   +2 more sources

Frigate: A Novel Dataset Comprising Wide Field-of-View Astronomical FITS Images of Low Earth Orbit Scenes for Machine Learning Applications [PDF]

open access: yesScientific Data
This report presents Frigate, a novel astronomical dataset comprising still-frame images of a section of Low Earth Orbit (LEO), collected by ExoAnalytic Solutions Inc., a commercial space situational awareness (SSA) provider using ground-based optical ...
Daniel S. Roll   +4 more
doaj   +2 more sources

Real-Time Event-Based Unsupervised Feature Consolidation and Tracking for Space Situational Awareness [PDF]

open access: yesFrontiers in Neuroscience, 2022
Earth orbit is a limited natural resource that hosts a vast range of vital space-based systems that support the international community's national, commercial and defence interests.
Nicholas Ralph   +7 more
doaj   +2 more sources

Simulation of Dense Star Map in Deep Space Based on Gaia Catalogue [PDF]

open access: yesSensors
High-fidelity star field simulation is paramount for target detection and space situational awareness (SSA) in geostationary and deep-space environments.
Puzhen Li   +3 more
doaj   +2 more sources

Classification of Low Earth Orbit (LEO) Resident Space Objects’ (RSO) Light Curves Using a Support Vector Machine (SVM) and Long Short-Term Memory (LSTM) [PDF]

open access: yesSensors, 2023
Light curves are plots of brightness measured over time. In the field of Space Situational Awareness (SSA), light curves of Resident Space Objects (RSOs) can be utilized to infer information about an RSO such as the type of object, its attitude, and its ...
Randa Qashoa, Regina Lee
doaj   +2 more sources

YOLO-GRBI: An Enhanced Lightweight Detector for Non-Cooperative Spatial Target in Complex Orbital Environments [PDF]

open access: yesEntropy
Non-cooperative spatial target detection plays a vital role in enabling autonomous on-orbit servicing and maintaining space situational awareness (SSA). However, due to the limited computational resources of onboard embedded systems and the complexity of
Zimo Zhou   +4 more
doaj   +2 more sources

Long-Term Sustainability of Outer Space Activities and Space Traffic Management

open access: yesAdvanced Space Law, 2023
This research addresses the critical importance of long-term sustainability and coordinated management of space traffic in the era of rapidly increasing space activities.
Olga Stelmakh-Drescher
doaj   +1 more source

MADDPG-Based Security Situational Awareness for Smart Grid with Intelligent Edge

open access: yesApplied Sciences, 2021
Advanced communication and information technologies enable smart grids to be more intelligent and automated, although many security issues are emerging.
Wenxin Lei   +3 more
doaj   +1 more source

Task Planning for Multiple-Satellite Space-Situational-Awareness Systems

open access: yesAerospace, 2021
Space situational awareness (SSA) plays an important role in maintaining space advantages. Task planning is one of the key technologies in SSA to allocate multiple tasks to multiple satellites, so that a satellite may be allocated to supervise multiple ...
Yutao Chen   +3 more
doaj   +1 more source

A Study on the Enhancement of Detection Performance of Space

open access: yesJournal of Astronomy and Space Sciences, 2018
Radar sensors are used for space situational awareness (SSA) to determine collision risk and detect re-entry of space objects. The capability of SSA radar system includes radar sensitivity such as the detectable radar cross-section as a function of ...
Eun-Jung Choi   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy