Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Nicolas, Jeannin"'
Publikováno v:
Remote Sensing, Vol 16, Iss 19, p 3584 (2024)
Synthetic aperture interferometry (SAI) is a signal processing technique that mixes the signals collected by pairs of elementary antennas to obtain high-resolution images with the aid of a computer. This note aims at studying the effects of the dista
Externí odkaz:
https://doaj.org/article/ce97cf8f12144dd69732e9323d1208b1
Publikováno v:
Remote Sensing, Vol 14, Iss 9, p 2285 (2022)
Digital beam forming (DBF) and synthetic aperture interferometry (SAI) are signal processing techniques that mix the signals collected by an antenna array to obtain high-resolution images with the aid of a computer. This note aims at comparing these
Externí odkaz:
https://doaj.org/article/ea7280201999477987eac5d1853512fc
Autor:
Eric Anterrieu, Nemesio Rodriguez-Fernandez, Yann Kerr, Louise Yu, Thierry Amiot, Cecile Cheymol, Nicolas Jeannin, Thibaut Decoopman, Asma Kallel
Publikováno v:
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::201e5b6b4a9f4aa1b05e519805019d13
https://doi.org/10.1109/igarss46834.2022.9884710
https://doi.org/10.1109/igarss46834.2022.9884710
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
The design and optimization of propagation impairment techniques for space telecommunication systems operating at frequencies above 20 GHz require a precise knowledge of the propagation channel both in space and time. For that purpose, space-time cha
Externí odkaz:
https://doaj.org/article/fba17982a1944164b55e8609a06f8cfb
Publikováno v:
IET Radar, Sonar & Navigation. 10:82-96
Runway operation is the limiting factor for the overall throughput of airports. Today the International Civil Aviation Organization (ICAO) imposes wake vortex separation minima between following aircrafts that are based on simple pair-wise rules. How
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ec740e138af281e27f4fe8c071ae106
https://doi.org/10.1049/iet-rsn.2015.0132
https://doi.org/10.1049/iet-rsn.2015.0132
Publikováno v:
Satellite Communications in the 5G Era ISBN: 9781785614279
Satellite Communications in the 5G Era
Satellite Communications in the 5G Era, pp.126-150, 2018, ⟨10.1049/PBTE079E_ch5⟩
Satellite Communications in the 5G Era
Satellite Communications in the 5G Era, pp.126-150, 2018, ⟨10.1049/PBTE079E_ch5⟩
International audience; The growing interest in the exploration of frequency bands above Ka band (20-30 GHz), for fixed satellite systems is mainly driven by the bandwidth needs of feeder links. Indeed at Q/V band (40-50 GHz) there is theoretically a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbd248b1b1c90067e05177aba87f3671
https://doi.org/10.1049/pbte079e_ch5
https://doi.org/10.1049/pbte079e_ch5
Publikováno v:
International Journal of Satellite Communications and Networking. 33:429-449
Earth observation missions are important for economy and science. The data collected by such satellites are used in agriculture, maritime services, disaster and environmental monitoring, and so on. Earth observation satellites are low Earth orbit (LE
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41c5b208418e4aee752b2cf1f3b0028e
https://doi.org/10.1002/sat.1125
https://doi.org/10.1002/sat.1125
Autor:
Nicolas Jeannin, Isabelle Dahman
Publikováno v:
International Journal of Satellite Communications and Networking. 34:231-250
Summary This paper analyses the sizing of networks of radio-frequency ground stations operating at Ka band or above for the reception of data acquired by low earth orbit observation satellites. In particular, the way to account for the use of adaptiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::402d189ce51d1500ee80023d67f461c2
https://doi.org/10.1002/sat.1115
https://doi.org/10.1002/sat.1115
Publikováno v:
International Journal of Satellite Communications and Networking
International Journal of Satellite Communications and Networking, Wiley, 2017, page 1-13. 〈10.1002/sat.1233〉
International Journal of Satellite Communications and Networking, Wiley, 2017, page 1-13. ⟨10.1002/sat.1233⟩
International Journal of Satellite Communications and Networking, 2017, page 1-13. ⟨10.1002/sat.1233⟩
International Journal of Satellite Communications and Networking, Wiley, 2017, page 1-13. 〈10.1002/sat.1233〉
International Journal of Satellite Communications and Networking, Wiley, 2017, page 1-13. ⟨10.1002/sat.1233⟩
International Journal of Satellite Communications and Networking, 2017, page 1-13. ⟨10.1002/sat.1233⟩
International audience; The use Q/V band spectrum for the feeder links of high throughput satellites and the need to cope with the significant propagation impairments at those frequencies motivate the development of smart diversity techniques. Those
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::535fdc9e9a50db612a602e1b217b8a00
https://hal.archives-ouvertes.fr/hal-01735636
https://hal.archives-ouvertes.fr/hal-01735636
Publikováno v:
2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS).
This paper proposes the use of a Numerical Weather Prediction (NWP) model to emulate site diversity statistics. Particularly, the Weather Research and Forecasting (WRF) model coupled with an Electromagnetic Module (EMM) is used here to generate rain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34280f103d8af7818a5d213074045a16
https://doi.org/10.23919/ursigass.2017.8105206
https://doi.org/10.23919/ursigass.2017.8105206