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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 39  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW, AP
(Joint)
2019-09-20
14:35
Kanagawa JAXA (Sagamihara) [Invited Talk] Onboard GaN high-power amplifier for 50-kg-class ultra-small deep-space probe "PROCYON"
Yuta Kobayashi (JAXA), Satoshi Yoshida (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2019-61
Recently, a lot of nano- or micro-satellites have been developed and utilized for various low-earth-orbit missions. PROC... [more] MW2019-61
p.35
MW, AP
(Joint)
2019-09-20
15:35
Kanagawa JAXA (Sagamihara) C-band 10W GaN power amplifier for thin active integrated antenna arrays used for single-frequency wireless communication and power transmission
Daisuke Kobuchi, Kentaro Matsuura, Yoshiaki Narusue (The Univ. of Tokyo), Shigeo Kawasaki (JAXA) MW2019-62
In an environment where many sensors are used, cables for communication and power supply increase the cost of maintenanc... [more] MW2019-62
pp.37-42
WPT, AP
(Joint)
2019-01-18
14:20
Aichi Toyota Automobile Museum Fabrication and evaluation of a Ka-band single shunt rectifier
Satoshi Yoshida, Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) WPT2018-61
In this paper, we report a designed ,fabricated, and measured results of a Ka-band rectifier. To increase the total syst... [more] WPT2018-61
pp.37-41
MW 2018-05-25
11:10
Kyoto Doshisha Univ. Consideration of a C-Band Frequency-Variable Rectifier Using HySIC Technology and Varactor Diode
Keiichi Ishidera, Satoshi Yoshida, Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2018-16
In this paper, we propose a frequency-variable rectifier using HySIC (Hybrid Semiconductor Integrated Circuit) technolog... [more] MW2018-16
pp.35-38
MW 2017-11-10
10:55
Okinawa Miyakojima Marin Terminal Bldg. Investigation of RF-DC Conversion Efficiency on Concurrent Dual-Band Rectifier under various input power condition
Koshi Hamano, Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2017-132
The RF-DC conversion efficiency decreases at the high input power when the two-tone signals input the dual-band rectifie... [more] MW2017-132
pp.111-116
AP, MW
(Joint)
2017-09-22
14:00
Saitama Saitama University The Consideration of A small amplifier for wireless power transmission using GaN device
Yuki Nakano (Okayama Univ.), Satoshi Yoshida, Kenjiro Nishikawa (Kagoshima Univ.), Kazuhiro Fujimori (Okayama Univ.), Shigeo Kawasaki (JAXA) MW2017-75
To realize further future space development and space travel, realization of high frequency reuse type spacecraft is an ... [more] MW2017-75
pp.41-45
MW
(2nd)
2017-06-14
- 2017-06-16
Overseas KMUTT, Bangkok, Thailand Impact of Spur Signal Control on RF-DC Conversion Efficiency for Concurrent Dual-band Rectifier
Koshi Hamano, Ryuya Tanaka, Satoshi Yoshida (Kagoshima Univ.), Akihira Miyachi (JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA)
This paper analyzes the RF-DC conversion efficiencies of the concurrent dual-band rectifier with controlling the spur si... [more]
WPT 2017-06-12
13:00
Kagoshima Kagoshima Univ. Design of Concurrent Dual-Band Rectifier with Harmonic Signal Control
Koshi Hamano, Ryuya Tanaka, Satoshi Yoshida (Kagoshima Univ.), Akihira Miyachi (JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) WPT2017-8
This paper proposes and demonstrates a concurrent 2.45GHz/5.8GHz rectifier. The proposed concurrent dual-band rectifier ... [more] WPT2017-8
pp.1-6
EMCJ, IEE-EMC, MW, EST [detail] 2016-10-20
14:55
Miyagi Tohoku Univ. C-Band GaN Diode Rectifier for HySIC MPT System
Satoshi Yoshida (Kagoshima Univ.), Akihira Miyachi (JAXA), Ryoko Kishikawa, Masahiro Horibe (AIST), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) EMCJ2016-69 MW2016-101 EST2016-65
In this paper, we evaluate a 5.8 GHz rectifier using GaN diode for space solar power system application.
As a first ste... [more]
EMCJ2016-69 MW2016-101 EST2016-65
pp.53-56
MW
(2nd)
2016-06-09
- 2016-06-11
Overseas KMUTNB, Bangkok, Thailand Design of Dual-Band Rectifier Using Microstrip Spurline Notch Filter
Koshi Hamano, Ryuya Tanaka, Satoshi Yoshida (Kagoshima Univ.), Akihira Miyachi (JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA)
This paper proposes and demonstrates a novel dual-band rectifier at 2.15 GHz and 5.84 GHz. The proposed rectifier employ... [more]
EMCJ, IEE-EMC, MW, EST [detail] 2015-10-22
10:30
Miyagi Sakura Hall, Katahira Campus, Tohoku Univ. Fabrication and evaluation of small sensor node for wireless health monitoring system in the RVT
Satoshi Yoshida (Kagoshima Univ.), Akihira Miyachi (JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) EMCJ2015-62 MW2015-101 EST2015-72
In this paper, we evaluate system feasibility of the wireless sensor network system powerd by the mi-
crowave power tra... [more]
EMCJ2015-62 MW2015-101 EST2015-72
pp.17-22
MW
(2nd)
2015-08-06
- 2015-08-08
Overseas Chulalongkorn Univ., Bangkok, Thailand [Poster Presentation] Dual-band Dual-pole Antenna for compatibility of MPT with communication
Naoki Hasegawa (Kyoto Univ), Hyeonjae Ju (The Univ. of Tokyo), Satoshi Yoshida (Kagoshima Univ.), Akihira Miyachi, Makoto Matsunoshita (ISAS/JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (ISAS/JAXA)
In this paper, a proto-type of dual-band dual-pole antenna is demonstrated for compatibility of MPT with the X-band comm... [more]
WPT 2015-03-24
13:55
Kyoto Kyoto Univ. Uji Campus System Evaluation of a Wireless Health Monitoring System Powered by Microwave Power Transmission in a Reusable Vehicle Test
Satoshi Yoshida (JAXA), Naoki Hasegawa (Kyoto Univ.), Takumasa Noji (TMU), Tomoki Kaneko (Nihon Univ.), Hyeonjae Ju (Tokyo Univ.), Chisaki Maekawa (ARS), Hiroyuki Yamazawa (CHINO), Ikuko Urushibara, Hikaru Sato (ARS), Shigeo Kawasaki (JAXA) WPT2014-95
In this paper, we evaluate system feasibility of the wireless sensor network system powerd by the
microwave power trans... [more]
WPT2014-95
pp.11-16
MW, ED 2015-01-15
15:45
Tokyo Kikai-Shinko-Kaikan Bldg. 920MHz Band Wireless Sensor Network System with Microwave Power Transmission System Operating at 5.8 GHz
Satoshi Yoshida (JAXA), Naoki Hasegawa (Kyoto Univ.), Takumasa Noji (TMU), Tomoki Kaneko (Nihon Univ.), Hyeonjae Ju (Univ. of Tokyo), Chisaki Maekawa (ARS), Hiroyuki Yamazawa (CHINO), Ikuko Urushibara, Hikaru Sato (ARS), Shigeo Kawasaki (JAXA) ED2014-121 MW2014-185
 [more] ED2014-121 MW2014-185
pp.25-30
MW, ED 2015-01-15
16:10
Tokyo Kikai-Shinko-Kaikan Bldg. Interference Analysis of Dual-band WiCoPT System for Wireless Sensor Network in RVT
Ryo Takamori, Kenjiro Nishikawa (Kagoshima Univ.), Yusuke Maru, Shigeo Kawasaki (JAXA) ED2014-122 MW2014-186
 [more] ED2014-122 MW2014-186
pp.31-34
MW, ED 2015-01-15
16:35
Tokyo Kikai-Shinko-Kaikan Bldg. The X-band High Gain and Radiation-Hardness Low-Noise GaAs MMIC Amplifier with Cryogenic Temperature for X-ray Astronomy
Takumasa Noji (Tokyo Metropolitan Univ.), Akihira Miyachi (JAXA), Takahiro Kikuchi (Univ. of Tokyo), Noriko Y. Yamasaki, Kazuhisa Mitsuda, Shigeo Kawasaki (JAXA) ED2014-123 MW2014-187
 [more] ED2014-123 MW2014-187
pp.35-39
MW
(2nd)
2014-11-26
- 2014-11-28
Overseas King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok Fundamental Experiment of S-band Low Noise Amplifier and Dielectric Microcalorimeter for X-ray Detection System
Takumasa Noji (Tokyo Metropolitan Univ.), Akihira Miyachi, Takahiro Kikuchi, Ju Hyeonjae, Naoki Hasegawa, Satoshi Yoshida, Noriko Y. Yamasaki, Kazuhisa Mitsuda (JAXA), Takaya Ohashi (Tokyo Metropolitan Univ.), Shigeo Kawasaki (JAXA)
In this paper, we demonstrate the result of combining a low noise amplifier (LNA) and a dielectric microcalorimeter (DMC... [more]
MW
(2nd)
2014-11-26
- 2014-11-28
Overseas King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok Novel RF configuration on IC Tag for Multi-frequency Transmission WiCoPT System
Machiko Maeno, Ryo Takamori, Hiroto Sakaki, Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA)
This paper proposes a multi-frequency transmission WiCoPT system, and a novel RF configuration on IC Tag without VCO and... [more]
AP, MW
(Joint)
2014-09-19
13:25
Tokyo Tokyo Institute of Technology, Ookayama Campus Characteristics of Retrodirective HIC using High Conversion Gain Mixer
Hyeonjae Ju (Univ. of Tokyo), Takumasa Noji, Naoki Hasegawa, Satoshi Yoshida, Akihira Miyachi, Shigeo Kawasaki (JAXA), Yoshihiro Kawahara, Tohru Asami (Univ. of Tokyo) MW2014-96
 [more] MW2014-96
pp.59-64
MW
(Workshop)
2013-12-02
- 2013-12-04
Overseas King Mongkut's University of Technology North Bangkok, Thailand 20 W GaN HPA for Compatibility of MPT with Wireless Communication
Noki Hasegawa (Kyoto Univ.), Satoshi Yoshida, Shigeo Kawasaki (JAXA), Naoki Shinohara (Kyoto Univ.)
The Wireless Health Monitoring System in a spacecraft requires a high efficiency and high power active integrated antenn... [more]
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