Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Yasuhiro Okamura"'
Publikováno v:
Journal of the Global Power and Propulsion Society. 6:330-342
This paper presents detailed validations of a Large Eddy Simulation (LES) methodology for various transitional phenomena in low pressure turbines. The results are discussed to identify key phenomena to be resolved accurately toward future industrial
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::952935b4bbdcc682f3f7c67284795649
https://doi.org/10.33737/jgpps/156577
https://doi.org/10.33737/jgpps/156577
Autor:
Atsushi Takada, Yasuhiro Okamura
Publikováno v:
IEICE Communications Express. 11:33-38
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72ec430a8a1b2f9445f5ad638878b258
https://doi.org/10.1587/comex.2021xbl0180
https://doi.org/10.1587/comex.2021xbl0180
Autor:
Shota Okada, Kenji Nishimoto, Yu Tokizane, Hiroki Kishikawa, Yasuhiro Okamura, Naoya Kuse, Takeshi Yasui
Publikováno v:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XVI.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b256cfc9cf5d3a0876cbb747090c2c0f
https://doi.org/10.1117/12.2651342
https://doi.org/10.1117/12.2651342
Autor:
Yu Tokizane, Shota Okada, Kenji Nishimoto, Yasuhiro Okamura, Hiroki Kishikawa, Takeo Minamikawa, Eiji Hase, Jun-ichi Fujikata, Masanobu Haraguchi, Atsushi Kanno, Shintaro Hisatake, Naoya Kuse, Takeshi Yasui
Terahertz (THz) waves have attracted attention as carrier waves for next-generation wireless communications (6G). Electronic THz emitters are widely used in current mobile communications; however, they may face technical limitations in 6G with upper-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d1d26df91da288be846c470f4d337c2
Autor:
Atsushi Takada, Koji Enbutsu, Yasuhiro Okamura, Ryoichi Kasahara, Takeshi Umeki, Osamu Tadanaga, Takushi Kazama
Publikováno v:
IEICE Transactions on Communications. :1265-1271
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6798a2aa36c77cff41bba90e38872a9d
https://doi.org/10.1587/transcom.2019obp0005
https://doi.org/10.1587/transcom.2019obp0005
Publikováno v:
IEICE Electronics Express. 19:20220196-20220196
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::545ffe3fab02d93fb14b4dc1782b6330
https://doi.org/10.1587/elex.19.20220196
https://doi.org/10.1587/elex.19.20220196
Autor:
Atsushi Takada, Yasuhiro Okamura
Publikováno v:
Optics express. 28(5)
In this paper, a waveband-shift-free optical phase conjugator based on difference-frequency generation (DFG-OPC) that enables broadband operation is proposed and theoretically investigated. First, the principle of phase-conjugated (PC) wave generatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19ea35fd5dc47e79bd962f73ba3a4ba9
https://pubmed.ncbi.nlm.nih.gov/32225984
https://pubmed.ncbi.nlm.nih.gov/32225984
Autor:
Kotaro Kondo, Atsushi Takada, Takushi Kazama, Ryoichi Kasahara, Takumi Okabe, Takeshi Umeki, Yasuhiro Okamura, Akihide Sano, Masashi Abe
Publikováno v:
IEICE Communications Express. 6:566-571
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bb458587374b6f7ef33d7f5d1602f65
https://doi.org/10.1587/comex.2017xbl0098
https://doi.org/10.1587/comex.2017xbl0098
Autor:
Yasuhiro Okamura
Publikováno v:
Journal of the Surface Finishing Society of Japan. 68:26-31
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56e1bac10cdcbdc42e7fb58b407d330e
https://doi.org/10.4139/sfj.68.26
https://doi.org/10.4139/sfj.68.26
Publikováno v:
2019 24th Microoptics Conference (MOC).
M-ary modulated signals interleaved with amplified reference light is proposed and numerically investigated. The proposed method improves chromatic dispersion tolerance, and transmittable distance of 10-Gbuad interleaved 16QAM signals is extended by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92f36e4d3d161d82cd6b8c6db63928ae
https://doi.org/10.23919/moc46630.2019.8982832
https://doi.org/10.23919/moc46630.2019.8982832