Results 1 to 10 of about 25,462,538 (288)

Classification-Aided SAR and AIS Data Fusion for Space-Based Maritime Surveillance [PDF]

open access: yesRemote Sensing, 2020
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   +4 more sources

Design of Space Target Surveillance Constellation Based on Simulation Comparison Method

open access: yesSensors
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

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
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

A Study on Coordinate Alignment in Optical-Based Space Object Surveillance System [PDF]

open access: yes한국정밀공학회지, 2021
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

SDebrisNet: A Spatial–Temporal Saliency Network for Space Debris Detection

open access: yesApplied Sciences, 2023
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

Implementation of Real-Time Space Target Detection and Tracking Algorithm for Space-Based Surveillance

open access: yesRemote Sensing, 2023
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]

open access: yesIEEE Aerospace and Electronic Systems Magazine, 2021
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

Automatic extraction channel of space debris based on wide-field surveillance system

open access: yesnpj Microgravity, 2022
In the past few years, the increasing amount of space debris has triggered the demand for distributed surveillance systems. Long exposure time can effectively improve the target detection capability of the wide-area surveillance system.
Ping Jiang   +5 more
doaj   +1 more source

Uncertainty Quantification for Space Situational Awareness and Traffic Management

open access: yesSensors, 2019
This paper presents a sensor-orientated approach to on-orbit position uncertainty generation and quantification for both ground-based and space-based surveillance applications.
Samuel Hilton   +5 more
doaj   +1 more source

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