Zobrazeno 1 - 3
of 3
pro vyhledávání: '"R. J. Acosta"'
Publikováno v:
69a Congresso Brasileiro 27° Congresso Latinoamericano de Coloproctologia 2021.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::503b29a357b3679c0aac977bf903781f
https://doi.org/10.1055/s-0041-1741665
https://doi.org/10.1055/s-0041-1741665
Autor:
James A. Nessel, Lars Erling Bråten, Antonio Martellucci, J. Rosello, Carlo Riva, R. J. Acosta
State-of-the art downlink technology allows Low Earth Orbit (LEO) satellites for Earth observation (EO) to downlink just above 500 Mb/s in the X-band due to bandwidth limitations. X-band is also becoming very congested. The ITU allocates four times m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::044276357fd9a6b00354200d91b1c259
http://hdl.handle.net/11311/682005
http://hdl.handle.net/11311/682005
Publikováno v:
1988 IEEE AP-S. International Symposium, Antennas and Propagation.
The feasibility of electromagnetically compensating for reflector surface distortions has been investigated. The performance characteristics (gain, sidelobe level, null location, beamwidth, etc.) of large communication antenna systems degrade as the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b479705b5f36199d2f6fd5fe8560bb5
https://doi.org/10.1109/aps.1988.94217
https://doi.org/10.1109/aps.1988.94217