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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, SAT, SANE
(Joint)		 2017-07-28
14:40		 Aichi Nagoya Institute of Technology Water vapor estimation using the propagation delay of digital terrestrial broadcasting waves -- Measurements of propagation delay by reflection method and analysis toward the detection of the reflection target --
Takeharu Kouketsu, Seiji Kawamura, Hiroshi Hanado, Hiroki Ohta (NICT) AP2017-64 SANE2017-27		 The authors are developing a method to estimate water vapor (propagation delay due to water vapor) using digital terrest... [more] AP2017-64 SANE2017-27
pp.105-110(AP), pp.31-36(SANE)
AP 2016-01-14
15:35		 Tokyo Takushoku University, Hachiouji Campus [Invited Lecture] Water vapor estimation using the propagation delay of digital terrestrial broadcasting waves -- Results using reflected waves --
Seiji Kawamura, Hiroki Ohta, Hiroshi Hanado, Masayuki Yamamoto, Nobuyasu Shiga, Kohta Kido, Satoshi Yasuda, Tadahiro Gotoh, Ryuichi Ichikawa, Jun Amagai, Kuniyasu Imamura, Miho Fujieda, Kentaro Ishizu, Hironori Iwai, Shigeo Sugitani (NICT) AP2015-176		 A water vapor measurement system using digital terrestrial broadcasting wave is under investigation. A real-time delay m... [more] AP2015-176
pp.47-52
WBS, SAT
(Joint)		 2010-06-10
16:15		 Okinawa Okinawa-ken-Seinen-Kaikan [Special Talk] Subtropical environment measurements with advanced radar systems
Hiroshi Hanado, Seiji Kawamura, Shigeo Sugitani (NICT) WBS2010-5 SAT2010-4		 Advanced radar systems for subtropical environment measurements, installed at the Okinawa Subtropical Environment Remote... [more] WBS2010-5 SAT2010-4
pp.23-26(WBS), pp.17-20(SAT)
SANE 2010-04-22
16:00		 Okinawa Okinawa Subtropical Environment Remote-Sensing Center, NICT An improved bistatic observational system with Okinawa polarimetric weather radar COBRA
Seiji Kawamura, Shigeo Sugitani, Hiroshi Hanado, Katsuhiro Nakagawa (NICT) SANE2010-3		 The bistatic Doppler velocity measurement, with one traditional transmitting radar associated with one or more passive r... [more] SANE2010-3
pp.13-18
MI 2009-01-19
13:30		 Overseas National Taiwan University [Poster Presentation] The Effect of Smoothing in Temporal Observation of Bone Scintigraphic Images
Siri guleng, Shigehiro Fukushima (Kyushu Univ), Seiji Kawamura, Ryuji Ikematsu, Hisao Miura, Teruo Miyakawa (Kurume Univ Hospital), Masatoshi Ishibashi, Naofumi Hayabuchi (Kurume Univ) MI2008-91		  [more] MI2008-91
pp.151-156
LQE, CPM, EMD, OPE 2008-08-29
11:20		 Miyagi Touhoku Univ. Frequency stabilization of semiconductor lasers for onboard interferometers using both Rb-saturated absorption profiles and double-optical feedback systems
Kenji Nakano, Shinya Maehara, Ayumi Sato, Kohei Doi, Takashi Sato, Masashi Ohkawa (Graduate School of Science and Technology Niigata Univ.), Seiji Kawamura (NAOJ) EMD2008-50 CPM2008-65 OPE2008-80 LQE2008-49		 We expect that semiconductor lasers are useful for precise interferometric systems employed in artificial satellites, by... [more] EMD2008-50 CPM2008-65 OPE2008-80 LQE2008-49
pp.93-98
LQE, CPM, EMD, OPE 2008-08-29
11:45		 Miyagi Touhoku Univ. Oscillation frequency stabilization of a semiconductor laser by an indirect modulation method using the Faraday effect
Akira Sato, Shinya Maehara (Graduate School of Science and Technology Niigata Uni.), Tomoyuki Uehara (Kyoto Uni.), Hideaki Arai, Takashi Sato, Tadashi Tamura, Masashi Ohkawa (Graduate School of Science and Technology Niigata Uni.), Seiji Kawamura (NAOJ) EMD2008-51 CPM2008-66 OPE2008-81 LQE2008-50		 Research, using tandem satellites’ on-board tracking laser interferometers, is aimed at gauging the infinitesimal variat... [more] EMD2008-51 CPM2008-66 OPE2008-81 LQE2008-50
pp.99-102
CPM, LQE, OPE, EMD 2007-08-24
14:00		 Hokkaido Hokaido Univ. Influence on the frequency stability from temperature controls at several points in our frequency stabilization of a semiconductor laser
Mitsusuke Yanagisawa, Kenji Nakano, Shinya Maehara, Takashi Sato, Takeo Maruyama, Masashi Ohkawa (Niigata Univ.), Seiji Kawamura (NAOJ) EMD2007-51 CPM2007-72 OPE2007-89 LQE2007-52		 Semiconductor lasers used as light sources for satellite-to-satellite tracking interferometers measure fluctuations in e... [more] EMD2007-51 CPM2007-72 OPE2007-89 LQE2007-52
pp.119-122
LQE 2007-05-25
13:50		 Toyama Kanazawa Univ. Frequency stabilization of a semiconductor laser using the PEAK method -- Discussion about the effect of experimental condition on frequency stability --
Tomoyuki Uehara, Shinya Maehara, Toshiya Nimonji, Takashi Sato, Masashi Ohkawa, Takeo Maruyama (Niigata Univ.), Seiji Kawamura (NAOJ) LQE2007-9		 In 1916, Albert Einstein argued for the existence of gravitational waves. But, confirmation of his ideas would not come,... [more] LQE2007-9
pp.41-44
 Results 1 - 9 of 9  /   
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