The importance of earth observation (EO) from space is felt today more than ever in many different fields of human activity. Governments, international organizations, military bodies, private industry, and even individuals benefit every day of the products of spaceborne remote sensing technology. In this paper, we present a brief overview of some of the main trends in the EO scenario, focusing on the emergence of a new paradigm for EO space systems namely: the ongoing, disruptive shift from large satellites to constellations of small spacecraft, fueled by the recent introduction of several key technologies, such as for instance electric propulsion. We present the outline of a tool specifically conceived to assist the system architect in the early design phase of an EO constellation of microsatellites equipped with electric thrusters. A case study is presented for the application of a multisegmented constellation, with visual, thermal infrared, and radar components to remotely monitor a national railway network. We conclude that, in spite of the complexity of modern small satellite constellations, preliminary design can be successfully performed in a simplified and effective way.


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    Titel :

    Smaller Satellites, Larger Constellations: Trends and Design Issues for Earth Observation Systems


    Beteiligte:
    Marcuccio, Salvo (Autor:in) / Ullo, Silvia (Autor:in) / Carminati, Marco (Autor:in) / Kanoun, Olfa (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2019-10-01


    Format / Umfang :

    6544405 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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