Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Sigurd Huber"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 12, Pp 1594-1604 (2021)
Abstract Many modern microwave systems, for example, in the field of satellite communications, remote sensing for Earth observation or radio astronomy, employ reflector antennas with beam‐shaping capabilities. A generalised description of multi‐c
Externí odkaz:
https://doaj.org/article/d7db5e6bd5c640329c3bf56269a78345
Publikováno v:
IET Radar, Sonar & Navigation, Vol 15, Iss 10, Pp 1195-1208 (2021)
Abstract Spaceborne synthetic aperture radar (SAR) with digital beam‐forming (DBF) in elevation uses very sharp time‐variant antenna beams to improve the signal‐to‐noise ratio (SNR) and range ambiguity‐to‐signal ratio. In acquisition scen
Externí odkaz:
https://doaj.org/article/78159437f9994255b906e831531ee268
Publikováno v:
International Journal of Antennas and Propagation, Vol 2009 (2009)
The trend in the conception of future spaceborne radar remote sensing is clearly toward the use of digital beamforming techniques. These systems will comprise multiple digital channels, where the analog-to-digital converter is moved closer to the ant
Externí odkaz:
https://doaj.org/article/4f69f02834b74b8daed4a778464b93d6
Publikováno v:
2022 International Symposium on Antennas and Propagation (ISAP).
Publikováno v:
2022 19th European Radar Conference (EuRAD).
Publikováno v:
2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI).
Publikováno v:
2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI).
Publikováno v:
2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI).
Publikováno v:
2021 IEEE 19th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM).
K a -band reflector antennas are of interest for satellite-based synthetic aperture radar (SAR) Earth observation missions. In practice, the antenna performance may decrease due to mutual coupling within the feed and with the reflector. Here, the imp
Autor:
Alberto Moreira, Gerhard Krieger, Sigurd Huber, Marwan Younis, Felipe Queiroz de Almeida, Michelangelo Villano
Deployable reflector antennas illuminated by a digital feed array enable spaceborne synthetic aperture radar (SAR) systems capable to image an ultra-wide continuous swath at fine azimuth resolution. This is facilitated by the use of dedicated operati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d0b7e8fdf4e302ec2bd68e92a19f049
https://elib.dlr.de/134094/
https://elib.dlr.de/134094/