Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Long Hoang Duc"'
The paper presents a wideband 3-dB quadrature coupler designed for operation at 2 GHz. The presented coupler is based on a broadside-coupled suspended structure in combination with a proposed defected ground structure (DGS) allowing for high power, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b98bd5ac521d26467621212ddec95b42
https://zenodo.org/record/4514176
https://zenodo.org/record/4514176
Publikováno v:
IEEE Microwave and Wireless Components Letters. 28:111-113
We present radio frequency (RF) and thermal characterization of a compact 12-way power combiner designed for operation at 352 MHz at a power level of 100 kW with 5% duty factor. The combiner is based on a reentrant cavity with 12 input doorknob coupl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e924791d25c192b7aa4a210ad441d3d7
https://doi.org/10.1109/lmwc.2017.2780619
https://doi.org/10.1109/lmwc.2017.2780619
Publikováno v:
2019 49th European Microwave Conference (EuMC).
This paper demonstrates a high-efficiency kilowatt-level Class E RF power amplifier which is designed as RF source for particle accelerator energy systems. Class E method of switch mode feathers is employed here to improve efficiency for such high po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13697ede0adeee0c17dc3f97b1a4b72f
https://doi.org/10.23919/eumc.2019.8910715
https://doi.org/10.23919/eumc.2019.8910715
Autor:
Long Hoang Duc, Chiem Nguyen Xuan, Thuy Xuan Pham, Minh Le Kien, Khoa Truong Dang, Hai Phan Nguyen
Publikováno v:
2019 3rd International Conference on Recent Advances in Signal Processing, Telecommunications & Computing (SigTelCom).
In this paper, a methodology for rapid impact control of Ball and Beam system is proposed and its performance is compared with the LQR method. Ball and Beam system is a large nonlinear system parameters are difficult to estimate accurately and easily
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fa4cb0b6b78f4fa52b7734302c6bdd3
https://doi.org/10.1109/sigtelcom.2019.8696198
https://doi.org/10.1109/sigtelcom.2019.8696198
Autor:
Long Hoang Duc, Anh Nguyen Dinh The, Duong Bach Gia, Magnus Jobs, Roger Ruber, Dragos Dancila
This study presents a new two-way Gysel combiner based on an air-dielectric stripline which allows to handle very high radio-frequency power levels with low-loss suitable for power combination in accelerator applications. The insertion loss of the co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6dffc47b02cd908165e6ca19b2afddf
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334913
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334913
Autor:
Anders Rydberg, Adam Hjort, Måns Holmberg, Roger Ruber, Long Hoang Duc, Dragos Dancila, Magnus Jobs
A compact 10 kW RF power amplifier at 352 MHz was developed at FREIA for the European Spallation Source, ESS. The specifications of ESS for the conception of amplifiers are related to its pulsed operation: 3.5 ms pulse length and a duty cycle of 5\%.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c310d07ce29c030f0ae68b086c02cd5
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334907
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-334907
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Long Hoang Duc, Duong Bach Gia
Publikováno v:
The 2012 International Conference on Advanced Technologies for Communications.
In this paper, we introduces the configuration of a high-power solid- state transmitter to be used for modern radar system operating at UHF band (820Mhz – 900Mhz). Specially, the power amplifier module (150W output power) does play a critically imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4075b839a61461c8ddf54fc6f82cd3be
https://doi.org/10.1109/atc.2012.6404266
https://doi.org/10.1109/atc.2012.6404266
Autor:
Dragos Dancila, Long Hoang Duc, Magnus Jobs, Måns Holmberg, Adam Hjort, Anders Rydberg, Roger Ruber
Publikováno v:
Journal of Physics: Conference Series; 2017, Vol. 874 Issue 1, p1-1, 1p