Results 11 to 20 of about 175,119 (310)

The role of space in the security and defence policy of Turkey. A change in outlook: Security in space versus security from space [PDF]

open access: yesSpace Policy, 2017
Space and security domains are strongly related with each other. Nowadays, space is an indispensable part of security and defence policy, and it is increasingly becoming a critical infrastructure for strategic Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) systems.
Cihan Ercan, İzzet Kale
openaire   +3 more sources

Collective Security Crisis: Challenges to Space Law and Space Security

open access: yesAdvanced Space Law, 2023
The article focuses on the presence of real risks to sustainable development, which manifest in the everyday reality of today. Attention is drawn to this issue in the context of the privileged position of certain states over others, enabling them to ...
Larysa Soroka
doaj   +2 more sources

Cyber Attacks on Space Information Networks: Vulnerabilities, Threats, and Countermeasures for Satellite Security

open access: yesJournal of Cybersecurity and Privacy
The growing reliance on satellite-based infrastructures for communication, navigation, defense, and environmental monitoring has magnified the urgency of securing Space Information Networks (SINs) against cyber threats.
Afsana Sharmin   +4 more
doaj   +2 more sources

comparative analysis, competition, legal tool, plan, program, public administering, space industry, state, tender, USA, Ukraine [PDF]

open access: yesAdvanced Space Law, 2022
The article examines the issue of the space race in terms of the views of Soviet scientists and American scientists. The article cites normative legal acts, internal orders, and decrees of the Soviet era in the aspect of space activity for the period ...
Inesa Kostenko
doaj   +1 more source

Public Administration of Space Activities of Individual Countries of the World at the Present Stage [PDF]

open access: yesAdvanced Space Law, 2023
The article analyzes the public administration of space activities in such countries as Australia, Brazil, South Korea, People’s Republic of China, and the United States of America.
Larysa Soroka   +2 more
doaj   +1 more source

Space Defense in Europe. Policy and Security Aspects [PDF]

open access: yesPolish Political Science Yearbook, 2020
Today countries participating in space activities, share serious concerns about militarization of space. The defense of space can become an important issue in the international arena, because counteracting emerging threats will probably be associated not
Małgorzata Polkowska
doaj   +1 more source

An Image Fusion Algorithm Based on Improved RGF and Visual Saliency Map

open access: yesEmergency Medicine International, 2022
To solve the artifact problem in fused images and the lack of enough generalization under different scenarios of existing fusion algorithms, the paper proposes an image fusion algorithm based on improved RGF and visual saliency map to realize fusion for ...
Yang Li, Haitao Yang, Yuge Gao
doaj   +1 more source

“Electromagnetic barrier” assisted dynamic spectrum access in satellite internet communication confrontation

open access: yesIET Communications, 2022
In this paper, the dynamic spectrum access is investigated in satellite internet. Firstly, to describe the confrontation characteristics of the electromagnetic environment, two opposing teams denoted as the blue team (BT) and red team (RT), are designed.
Peijie Yan   +3 more
doaj   +1 more source

Global Security: Ukrainian HOPSIS Program and Space Mission to Destroy Asteroids [PDF]

open access: yesAdvanced Space Law, 2023
The article highlights the actual problems of ensuring the Global Security of the World and Ukraine. The results of studying the experience of the Geneva Center for Security Policy and the legal provision of security are presented.
Volodymyr Prisyazhnyy   +2 more
doaj   +1 more source

A cross‐layer anti‐jamming method in satellite Internet

open access: yesIET Communications, 2023
In view of the diverse jamming environment, the single‐level anti‐jamming method faces some challenges such as poor timeliness, high cost and poor effect.
Peijie Yan   +3 more
doaj   +1 more source

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