Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Luc Lapierre"'
Publikováno v:
BioResources, Vol 5, Iss 1, Pp 187-205 (2010)
Three methods for improved deresination of sulphite pulps were evaluated, namely, alkaline washing, enzyme treatment, and pulp fractionation. Alkaline washing appears to come at a high cost, because caustic is expensive and affects cellulose chain le
Externí odkaz:
https://doaj.org/article/435fcbf344b64c4a8903bfe0b708258e
Autor:
Anca Dan, Ercan Erkul, Simon Fischer, Harald Stümpel, Sait Bașaran, Elif Çokaman, Luc Lapierre, Helmut Brückner, Wolfgang Rabbel
Publikováno v:
Advances in On-and Offshore Archaeological Prospection ISBN: 9783928794831
Archaeological survey and combined geophysical measurements of magnetics were conducted. Geoelectrics and ground penetrating radar support the interpretation of a Roman station controlling a branch of the Via Egnatia leading to Ainos (modern Enez in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::278efa4484bbd5b518ed13ab2bb464ce
https://doi.org/10.38072/978-3-928794-83-1/p19
https://doi.org/10.38072/978-3-928794-83-1/p19
Autor:
P. Bouysse, Geoffroy Soubercaze-Pun, Luc Lapierre, J.M. Nebus, Tibault Reveyrand, A. Courty, Pierre Medrel
Publikováno v:
Proceedings of the 49th European Microwave Conference, EuMW 2019
Proceedings of the 49th European Microwave Conference, EuMW 2019, Sep 2019, Paris, France
Proceedings of the 49th European Microwave Conference, EuMW 2019, Sep 2019, Paris, France
In this paper, we present an experimental study focused on the characterization of a dual input Doherty Power Amplifier (DPA). A calibrated set-up is used for an accurate characterization of a DPA demonstrator and the study of several input driving c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b31fe8c8d6e4a93879b731992d88b98c
https://hal-unilim.archives-ouvertes.fr/hal-02318853
https://hal-unilim.archives-ouvertes.fr/hal-02318853
Autor:
Tibault Reveyrand, Luc Lapierre, Bernard Jarry, Vincent Armengaud, Julien Lintignat, Wafa Khelifi, Raymond Quéré
Publikováno v:
2018 Asia-Pacific Microwave Conference (APMC)
2018 Asia-Pacific Microwave Conference (APMC), Nov 2018, Kyoto, Japan. pp.360-362
2018 Asia-Pacific Microwave Conference (APMC), Nov 2018, Kyoto, Japan. pp.360-362
This paper presents an approach for the distributed modeling of a 4-port transistor. The proposed principle relies on considering any multi-finger transistor as the association of a number of elementary active linked together with extrinsic passive n
Autor:
J.F. Villemazet, Hissa Yahi, Luc Lapierre, Geoffroy Soubercaze-Pun, B. Lefebvre, F. Baudeigne, J. Maynard
Publikováno v:
2017 12th European Microwave Integrated Circuits Conference (EuMIC).
This paper describes a new instantaneous wideband predistortion linearizer for TWTA enabling to use simultaneously broadband multi-carrier signals all over the complete 17.3–20.2GHz transmit Ka-band for the new generation of Telecom satellite. The
Autor:
Ludovic Carpentier, Luc Lapierre, Matthieu Chatras, Claire Dalmay, François David, Pierre Blondy
Publikováno v:
2017 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP).
In this paper, we present an additive microfabrication process for the realization of millimeter-wave and near terahertz components. The fabrication of 3D air-filled components like air-filled cavity filters is possible with this technique. The demon
Autor:
François David, Matthieu Chatras, Luc Lapierre, Claire Dalmay, Arnaud Pothier, Ludovic Carpentier, Pierre Blondy
Publikováno v:
2017 IEEE/MTT-S International Microwave Symposium-IMS 2017
2017 IEEE/MTT-S International Microwave Symposium-IMS 2017, Jun 2017, Honololu, France. pp.1297-1299
2017 IEEE/MTT-S International Microwave Symposium-IMS 2017, Jun 2017, Honololu, France. pp.1297-1299
This paper introduces a new fabrication process for the realization of cavity resonators and band pass filters, using additive micro fabrication. 3D air-filled structures with a 195 μm thickness are obtained by using successive electroplating. Thank
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52a06677052bcb1bf8ed36ebc246f98c
https://hal.archives-ouvertes.fr/hal-02007009
https://hal.archives-ouvertes.fr/hal-02007009
Autor:
Jérôme Puech, Ludovic Carpentier, Luc Lapierre, Damien Pacaud, Olivier Tantot, Aurelien Perigaud, Stephane Bila, Serge Verdeyme, Guy Carayon, Nicolas Delhote
Publikováno v:
Proceedings of the IEEE
Proceedings of the IEEE, Institute of Electrical and Electronics Engineers, 2017, 105 (issue 4), pp.677-687. ⟨10.1109/JPROC.2017.2663104⟩
Proceedings of the IEEE, Institute of Electrical and Electronics Engineers, 2017, 105 (issue 4), pp.677-687. ⟨10.1109/JPROC.2017.2663104⟩
International audience; This paper presents a concept of a tunable cavity resonator composed of a resonating cavity and a dielectric perturber. This tunable resonator is designed and measured to prove the tuning mechanism obtained by varying the angl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b347d3bee2814730b455f76e28d7148b
https://hal-unilim.archives-ouvertes.fr/hal-01504113
https://hal-unilim.archives-ouvertes.fr/hal-01504113
Autor:
Olivier Jardel, Audrey Martin, Luc Lapierre, Anthony Disserand, Philippe Bouysse, Raymond Quéré
Publikováno v:
Europen Microwave Week
Europen Microwave Week, Oct 2016, Londres, United Kingdom
Europen Microwave Week, Oct 2016, Londres, United Kingdom
This paper presents a new high-speed and high-power switching circuit based on GaN HEMTs, well suited for envelope tracking supply modulators. The proposed switching cell operates up to 100MHz switching frequencies and provides output voltages up to
Autor:
Luc Lapierre, Raymond Quéré, Philippe Bouysse, Patrick Augeau, Olivier Jardel, Stéphane Piotrowicz, Audrey Martin, Jean Michel Nebus
Publikováno v:
International Journal of Microwave and Wireless Technologies. 6:13-21
In this paper, we report a new high-speed and high-power switching circuit based on GaN HEMT's. The elementary switching cell, composed of two GaN HEMT's and two resistors, acts like a power threshold comparator with high-output voltage. Theoretical