Temat: small satellites - 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:: E-shaped Aperture Coupled Microstrip Patch Array Antenna for High Speed Downlink Applications in Small Satellites
Autorzy:: Paul, Kajol Chandra
Ahmed, Anis
Powiązania:: https://bibliotekanauki.pl/articles/2055242.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: aperture coupled
circular polarization
corporate feed
microstrip patch array
small satellites
Opis:: For high speed downlinking of payload data from small satellites, a new 4×4 aperture coupled microstrip patch array antenna has been presented. The antenna is designed for the Ku band and a peak gain of 18.0 dBi is achieved within the impedance bandwidth from 11.75 GHz to 12.75 GHz. Wide bandwidth is achieved as the patch elements are excited through E-shaped slots having asymmetric side lengths and widths. Each square patch element of the array with truncated corners and appropriately placed slots generates right hand circularly polarized (RHCP) radiation with very high cross-polarization discrimination. A corporate feed network consisting of T-junctions and quarter-wave impedance transformers is developed to feed the array elements from a single coaxial port of 50 Ω. To improve the radiation from the patches and wave-guiding in the feed network, two types of Rogers substrates with different dielectric constant and thickness are considered. Our proposed microstrip patch array antenna of size 7.8 cm × 6.4 cm × 0.3 cm can perform efficiently with a downlink data rate as high as 4.6 Gbps for small satellites.
Źródło:: International Journal of Electronics and Telecommunications; 2022, 68, 1; 47--56
2300-1933
Pojawia się w:: International Journal of Electronics and Telecommunications
Dostawca treści:: Biblioteka Nauki

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