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    Wyświetlanie 1-3 z 3
    Tytuł:
    NASA Space Laser Communications System: Towards Safety of Aerospace Operations
    Autorzy:
    Bielawski, Radosław
    Radomska, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/2010606.pdf
    Data publikacji:
    2020
    Wydawca:
    Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
    Tematy:
    Laser Communication Relay Demonstration
    optical space communication
    outer space
    security
    space security
    komunikacja laserowa
    komunikacja kosmiczna
    przestrzeń kosmiczna
    bezpieczeństwo
    bezpieczeństwo przestrzeni
    Opis:
    Bidirectional space communication is a fundamental prerequisite for maintaining contact with objects performing missions in space, whether manned and unmanned. Until recently, it relied solely on the propagation of electromagnetic waves (the radio) using frequency bands dedicated for objects outside the Earth's atmosphere. However, modern space technologies are subject to ongoing development as they are being fitted with advanced communication systems. Given the constant enhancement of our technological capabilities, the traditional radio-based communication shows a glaring inadequacy and contributes to the widening of a gap between this and the high technology of on-board devices installed on modern space crafts. The technology that complies with the up-to-date requirements of space communication is optical space communication. It is expected to provide for high-speed data transfer and increase the band-width several times, while ensuring immunity to common cyber threats, including jamming, spoofing and meaconing. The deployment of laser - based optical communication will not only contribute to increasing the air and space operation safety levels, but also enable deep space exploration. To this end, NASA’s Laser Communications Relay Demonstration Project (LCRD) is currently undergoing development and testing. This chapter undertakes to characterize the emerging technology with respect to its operating principles, the future scope of applications and involvement in currently conducted experiments. The results from the analysis are presented in the form of scenarios outlining possible applications of laser communication.
    Źródło:
    Safety & Defense; 2020, 2; 51-62
    2450-551X
    Pojawia się w:
    Safety & Defense
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anti-Satellite Weapons: A Political Dimension
    Autorzy:
    Czajkowski, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/2010549.pdf
    Data publikacji:
    2021
    Wydawca:
    Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
    Tematy:
    international security
    safety in space
    space systems defense
    space security
    space weapons
    bezpieczeństwo międzynarodowe
    bezpieczeństwo w kosmosie
    obrona systemów kosmicznych
    bezpieczeństwo przestrzeni
    broń kosmiczna
    Opis:
    This article tackles the political dimension of the development of anti-satellite weapons. The main goal is to assess their significance from the American, Russian, and Chinese perspective to understand the emerging balance of power in space. While the U.S. is struggling to maintain its position of dominant space power, its main adversaries are developing technologies that can diminish American dominance. It is, therefore, widely believed that outer space is poised to be weaponized by multiple systems designed to destroy satellites in-orbit, both ground- and space-based. On the other hand, the United States is executing multiple fast-track research& development programs aimed at increasing the resilience of the U.S. space systems.
    Źródło:
    Safety & Defense; 2021, 1; 107-116
    2450-551X
    Pojawia się w:
    Safety & Defense
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Space as a New Category of Threats to National Security
    Autorzy:
    BIELAWSKI, Radosław
    Powiązania:
    https://bibliotekanauki.pl/articles/466208.pdf
    Data publikacji:
    2019
    Wydawca:
    Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
    Tematy:
    space
    threats
    space law
    state security
    Opis:
    The scientific considerations presented in this paper concern threats to national security arising from the activity in outer space. The objective of this analysis is to identify these dangers and to propose solutions to minimize them. The theoretical research methods employed in this study are: synthesis, analysis, abstracting and generalization. In the course of the analysis, several modern threats were established, including anti-satellite and hypersonic weapons. Another important sphere discussed in the paper is the cyber security of satellite/communication devices and systems operating in space. With respect to satellite systems, the EA-18G Growler electronic warfare aircraft was presented as one of the concepts developed with the capability of disrupting their operation. The results from the conducted study emphasize the need to create a Space Domain Awareness (SDA) system, which is substantiated by the indication of natural threats that must beminimized, namely space debris, space weather and the possibility of collision with Near-Earth Objects. The presented considerations are concluded by the analysis of the legislative state regarding space security, which in reality accentuate the incompatibility of the existing laws with the emerging threats, and other issues concerning space law.
    Źródło:
    Safety & Defense; 2019, 5, 2; 1-7
    2450-551X
    Pojawia się w:
    Safety & Defense
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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