Effect of domain and grain shapes on the dynamical behavior of polycrystalline ferrites: Application to the initial permeability.

Autor: Gelin, Philippe, Quéffélec, Patrick, Le Pennec, François

Publikováno v: Journal of Applied Physics; 9/1/2005, Vol. 98 Issue 5, p053906, 6p, 3 Diagrams, 1 Chart, 10 Graphs

Underwater radio frequency antenna

Autor: Le Pennec, François, Gac, Christian, Guarnizo Mendez, Hector Fabian, Person, Christian, Apprioual, Ronan, Jezequel, Raymond, Pinel, Serge

Publikováno v: France, Patent n° : WO/2015/062995. 15419. 2015, pp.27

The present invention relates to an underwater radio frequency antenna able to radiate in an underwater or equivalent propagation medium. It comprises -a hollow conducting tube (1) forming a resonant cavity, said conducting tube having an open end an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2aa8133d6623f901ba77713638a81471
https://hal.archives-ouvertes.fr/hal-01450374

2.4 GHz Radio Transmission Measurements in a Basin filled with Sea Water

Autor: Le Pennec, François, Gac, Christian, GUARNIZO MENDEZ, Hector Fabian, Person, Christian

Publikováno v: Actes OCOSS 2013 : conference on Ocean and Coastal Observation : Sensors and observing systems, numerical models and information Systems
OCOSS 2013 : conference on Ocean and Coastal Observation : Sensors and observing systems, numerical models and information Systems
OCOSS 2013 : conference on Ocean and Coastal Observation : Sensors and observing systems, numerical models and information Systems, Oct 2013, Nice, France

International audience; Measurements of scattering parameter around 2.4 GHz have been presented for dedicated aligned immersed antennas in two experimental basins, one filled with fresh, the other with sea water. The measurements demonstrate transmis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d949fedb458cdb3f7fc524534da6d157
https://hal.archives-ouvertes.fr/hal-01006047

Antenne LDS Innovante pour des Applications 4G

Autor: Sonnerat, Florence, Pilard, Romain, Gianesello, Frédéric, Le Pennec, François, Person, Christian, Gloria, Daniel

Publikováno v: Actes JNM 2013 : 18èmes Journées Nationales Microondes
JNM 2013 : 18èmes Journées Nationales Microondes
JNM 2013 : 18èmes Journées Nationales Microondes, May 2013, Paris, France

National audience; Une antenne LDS innovante fonctionnant entre 698 et 960 MHz est présentée. Elle comporte deux éléments rayonnants, recombinés en un élément rayonnant large bande à accès unique, via un diplexer réalisé avec des composant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::69368444a2f24c582982cb97ace1b71e
https://hal.archives-ouvertes.fr/hal-00845402

30 dBm P1dB and 4 dB Insertion Losses Optimized 4G Antenna Tuner Fully Integrated in a 130 nm CMOS SOI Technology

Autor: SONNERAT, Florence, Pilard, Romain, Gianesello, Frédéric, Jan, Sébastien, Le Pennec, François, Person, Christian, DURAND, Cedric, Gloria, Daniel

Publikováno v: SiRF 2013 : 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems
SiRF 2013 : 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, Jan 2013, Austin, United States. pp.39-41, ⟨10.1109/SiRF.2013.6489425⟩

International audience; In order to counteract the antenna impedance mismatch due to its interaction with the environment, one solution is to add an antenna tuner between the front-end module and the antenna. In this paper, we present the large signa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ec0c01f700432398f5c76decf750a954
https://hal.archives-ouvertes.fr/hal-00945752