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 Results 1 - 6 of 6  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, AP, UWT
(Joint)		 2022-11-15
14:30		 Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)		 A Channel Sounder for Severe Doubly-Selective Channels of Underwater Acoustic Communications
Hiroshi Kubo, Kouichi Hashimoto, Taichi Fujita, Takumi Yoshimura (Ritsumeikan Univ.) RCS2022-161		 Doubly-selectivity of underwater acoustic communications (UWAC) can be measured by channel sounders, which estimate time... [more] RCS2022-161
pp.37-42
RCS, AP, UWT
(Joint)		 2022-11-15
14:55		 Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)		 Differential OFDM for Severe Doubly-Selective Channels of Underwater Acoustic Communications
Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2022-162		 It is well known that wireless transmission technologies employing spatial combining and adaptive equalization and those... [more] RCS2022-162
pp.43-48
RCS, AP, UWT
(Joint)		 2022-11-16
11:00		 Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)		 [Invited Lecture] Wireless Transmission Technologies for Severe Doubly-Selective Channels of Underwater Acoustic Communications
Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) AP2022-155 RCS2022-166		 It is well-known that underwater acoustic communications (UWACs) plays an important role for underwater mobile communica... [more] AP2022-155 RCS2022-166
pp.45-50(AP), pp.67-72(RCS)
EMCJ 2012-01-27
15:50		 Fukuoka Kyushu Univ. Research on Radiation Noise from the different implementations in SMPS for Portable Electronic Devices
Kenta Goto, Takumi Yoshimura, Masahito Shoyama (Kyushu Univ.) EMCJ2011-128		 Nowadays mobile devices are being widely used in our everyday life. The reduction of EMI radiation noise, which comes fr... [more] EMCJ2011-128
pp.99-103
EMCJ 2012-01-27
16:30		 Fukuoka Kyushu Univ. Efficiency and Switching Noise Analysis for Bridgeless PFC Circuits
Kiyoshi Masumoto, Takumi Yoshimura, Masahito Shoyama (Kyushu Univ), Satoshi Tomioka (TDK Lambda) EMCJ2011-130		 Recently, efficiency improvement has been noted with the rapidly increasing consumption of energy. The diode losses is t... [more] EMCJ2011-130
pp.111-116
EE 2012-01-26
11:35		 Nagasaki   Electromagnetic Resonance Techniques for Wireless Power Supplies
Takumi Yoshimura, Masahito Shoyama (Kyushu Univ.) EE2011-49		 Research on wireless power transmission technologies have been attracting more attention after MIT introduced electromag... [more] EE2011-49
pp.103-108
 Results 1 - 6 of 6  /   
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