Preface: Earth surveillance and space-based monitoring of the environment: integrated approaches [PDF]
S. Michaelides +2 more
doaj +5 more sources
Classification-Aided SAR and AIS Data Fusion for Space-Based Maritime Surveillance [PDF]
A wide range of research activities exploit spaceborne Synthetic Aperture Radar (SAR) and Automatic Identification System (AIS) for applications that contribute to maritime safety and security.
Maximilian Rodger, Raffaella Guida
doaj +3 more sources
Design of Space Target Surveillance Constellation Based on Simulation Comparison Method
Aiming at the requirement of space situational awareness on the full-domain and all-time coverage capability of low Earth orbit space targets and focusing on the design of a space-based space target awareness system, a space target awareness ...
Qinying Hu, Desheng Liu, Ziwei Dong
doaj +3 more sources
Estimating the design parameters of a space-based radio surveillance system
Currently, small spacecraft with both optoelectronic and radar imaging equipment are becoming increasingly common. The purpose of the work is to improve the efficiency of preliminary assessment of achievable characteristics of radio surveillance payloads
M. A. Ivanushkin +3 more
doaj +2 more sources
An Overlapping-Signal Separation Algorithm Based on a Self-Attention Neural Network for Space-Based ADS-B [PDF]
Space-based automatic dependent surveillance–broadcast (ADS-B) systems offer the potential for comprehensive global aircraft surveillance. However, they face substantial challenges due to severe signal collisions resulting from the simultaneous reception
Ziwei Liu +5 more
doaj +2 more sources
Estimation of Faraday rotation and polarization loss based on 3D electron density for space surveillance radar [PDF]
Space surveillance radar systems transmit and receive electromagnetic (EM) waves to detect and track space objects across a wide range of elevation angles, including low angles between $$30^\circ$$ 30 ∘ and $$60^\circ$$ 60 ∘ .
Do Hyeon Lee, Junmo Yang, Yong Bae Park
doaj +2 more sources
SDebrisNet: A Spatial–Temporal Saliency Network for Space Debris Detection
The rapidly growing number of space activities is generating numerous space debris, which greatly threatens the safety of space operations. Therefore, space-based space debris surveillance is crucial for the early avoidance of spacecraft emergencies ...
Jiang Tao, Yunfeng Cao, Meng Ding
doaj +1 more source
A Study on Coordinate Alignment in Optical-Based Space Object Surveillance System [PDF]
Recently, as various damages are expected due to the risk of falling space debris, many studies are being carried out to acquire space object information.
Hyun Cheol Cho +3 more
doaj +1 more source
Space-based target surveillance is important for aerospace safety. However, with the increasing complexity of the space environment, the stellar target and strong noise interference pose difficulties for space target detection. Simultaneously, it is hard
Yueqi Su +4 more
doaj +1 more source
Space-Based Global Maritime Surveillance. Part I: Satellite Technologies [PDF]
Maritime surveillance (MS) is crucial for search and rescue operations, fishery monitoring, pollution control, law enforcement, migration monitoring, and national security policies. Since the early days of seafaring, MS has been a critical task for providing security in human coexistence.
Giovanni Soldi +13 more
openaire +3 more sources

