Temat: satellite technology - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Technologies for low cost small satellites
Autorzy:: Kurek, K.
Powiązania:: https://bibliotekanauki.pl/articles/307636.pdf
Data publikacji:: 2007
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: small satellites
satellite systems
space technology
Opis:: Paper presents short description of satellite struc- ture and characterization of its subsystems. Review of tech- nologies used in small satellite missions is presented, consid- ering possible solutions in low cost projects. Three common solutions: the use of commercial off the shelf (COTS) compo- nents, miniaturization, remote testing and integration of sub- systems can be used to significantly reduce cost of the satellite.
Źródło:: Journal of Telecommunications and Information Technology; 2007, 1; 45-49
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Building distributed ground station system with radio amateurs
Autorzy:: Stolarski, M.
Winietki, W.
Powiązania:: https://bibliotekanauki.pl/articles/307624.pdf
Data publikacji:: 2007
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: space technology
satellite communications
radio amateurs
Opis:: The paper concerns radio amateur satellites that are built by international student teams. For contacting a satellite, a single ground station is usually used. In this configuration and with the satellite on the low Earth orbit (LEO), teams have contact only for about 40 minutes per day. If the satellite has service for radio amateurs, they use it for 20 hours per day. A lot of them have connection to Internet. This is a big difference. In this paper, is shown how they can use the radio amateur transceivers and antenna systems in order to build ground stations network named distributed ground station system (DGSS). Frequencies, types of modulations, calculation of power budge, and the ways to control amateur stations by the Internet are also shown. These are essential procedures, because radio amateurs have their standards and habits. Finally a proposal of implementation dedicated DGSS system for radio amateurs with and without use of APRS network is put forward. Distributed ground station is one of the experiments on PW-Sat satellite, which is being build on the Warsaw University of Technology.
Źródło:: Journal of Telecommunications and Information Technology; 2007, 1; 72-75
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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