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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 117  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, SANE, SAT
(Joint)
2022-07-29
10:50
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
Development of a noncontact bedsore detection system -- Size detection using wavelet transforms --
Yusuke Asano, Masaharu Takahashi (Chiba Univ.)
 [more]
UWT
(2nd)
2022-03-01
13:05
Online Online Underwater antennas and an application for under-the-ice robots
Hiroshi Yoshida (JAMSTEC), Takashi Noisshiki (JRC), Masaharu Takahashi, Ren Yabiku (Chiba Univ.), Ryotaro Suga (NICT), Tatsurou Yonekura, Shunya Tadano (Iwate Univ.)
 [more]
AP 2022-02-17
10:50
Online Online [Invited Lecture] Radio Wave Propagation Characteristics of Millimeter-wave in Railway Environment
Kazuki Nakamura, Nagateru Iwasawa, Koki Iwamoto, Yusuke Kawamura, Daisuke Yamaguchi, Takayasu Kitano, Kunihiro Kawasaki (RTRI), Shotaro Yoshida (JRSEC), Masaharu Takahashi (Chiba Univ.) AP2021-161
In railways, wireless communication systems are used to communicate between running trains and the ground. Therefore, it... [more] AP2021-161
pp.16-19
AP 2022-02-18
10:25
Online Online [Invited Lecture] Various decoupling methods between MIMO antennas Part 2.
Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba university), Hisashi Morishita (National Defense Academy) AP2021-169
In order to realize large-capacity wireless communication, it is common to install MIMO technology in a small terminal. ... [more] AP2021-169
pp.61-66
UWT
(2nd)
2021-06-15
15:35
Online Online Basic Study of Machine Learning for Underwater Location Estimation System Using Electromagnetic Waves
Shinnosuke Sakaya, Masaharu Takahashi (Chiba Univ.)
Water-related accidents are occurring all over the world. In Japan, water accidents occur approximately 1,300 per year. ... [more]
RCS, AP, UWT
(Joint)
2020-11-26
09:25
Online Online How does underwater antenna work in salty water by applying an electromagnetic field
Hiroshi Yoshida (JAMSTEC), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.) AP2020-83 RCS2020-122
 [more] AP2020-83 RCS2020-122
pp.56-59(AP), pp.71-74(RCS)
RCS, AP, UWT
(Joint)
2020-11-26
09:50
Online Online Acceleration of Numerical Integration of Electric Field Specialized for Shallow Sea Position Estimation
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2020-84 RCS2020-123
The authors have studied shallow a location system in the shallow sea using electromagnetic fields. In this case, it is ... [more] AP2020-84 RCS2020-123
pp.60-65(AP), pp.75-80(RCS)
RCS, AP, UWT
(Joint)
2020-11-26
10:15
Online Online Verification of Undersea Position Estimation Method Using Received Power Profile at Multiple Sea Surface Positions by Experimental Pseudo Scale Model
Ryota Sase, Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2020-85 RCS2020-124
The authors have investigated an underwater position estimation system in shallow water that operates in the kHz band. I... [more] AP2020-85 RCS2020-124
pp.66-71(AP), pp.81-86(RCS)
RCS, SR, SRW
(Joint)
2020-03-06
09:50
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Invited Lecture] Challenge for underwater communication using electromagnetic waves
Masaharu Takahashi (Chiba Univ.) RCS2019-375
 [more] RCS2019-375
p.283
AP, WPT
(Joint)
2020-01-23
09:30
Kagawa Sunport Hall Takamatsu Circular plane-loaded antenna with short circuit structure
Kyohei Yoshida, Hina Watanabe, Daisuke Yamanaka, Rintaro Sasaki, Masaharu Takahashi (Chiba Univ.) AP2019-150
Recently, various kinds of the wireless system such as a smartphone, a tablet, and Wi-Fi has increasingly spread. It is ... [more] AP2019-150
pp.11-14
AP, WPT
(Joint)
2020-01-23
13:35
Kagawa Sunport Hall Takamatsu Position estimation of capsule endoscope in high-definition numerical human body model
Rintaro Sasaki, Masaharu Takahashi (Chiba Univ.) WPT2019-52
Capsule endoscopy is less invasive than conventional tube-type endoscopes, and is one of the most widely used imaging to... [more] WPT2019-52
pp.19-22
AP, WPT
(Joint)
2020-01-24
13:20
Kagawa Sunport Hall Takamatsu Cavity Slot Antenna for Wireless Power Transmission to Small Sensors on the Human Arm
Hina Watanabe, Masaharu Takahashi (Chiba Univ.) AP2019-172 WPT2019-55
As an aging, home medical care and nursing have become increasingly important. In the medical field, it is expected to u... [more] AP2019-172 WPT2019-55
pp.121-124(AP), pp.33-36(WPT)
AP 2019-12-12
13:40
Tokyo Kikai-Shinko-Kaikan Bldg. A Consideration on a Reception of Electromagnetic Wave Signals at the Sea Level in the Shallow Sea Area
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi, Ryosuke Kato (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-143
In order to estimate the position of a diver in a submarine search at the time of a flood accident in shallow water, we ... [more] AP2019-143
pp.7-12
WPT
(2nd)
2019-10-31
- 2019-11-02
Overseas Xidian University Analysis of Power Transmission Efficiency of Capsule Endoscope Antenna
Kyohei Yoshida, Masaharu Takahashi (Chiba Univ.)
Current capsule endoscopes use a built-in battery as a power source. It is not preferable to use a battery harmful to a ... [more]
WPT
(2nd)
2019-10-31
- 2019-11-02
Overseas Xidian University Wireless Power Transmission to Small Sensors on the Human Arm
Hina Watanabe, Masaharu Takahashi (Chiba Univ.)
Recently, home medical care and nursing have become increasingly important for an aging society in Japan. In these field... [more]
MW, AP
(Joint)
2019-09-19
13:35
Kanagawa JAXA (Sagamihara) Measurement of Phase Distribution between Small Dipole Antennas Immersed in Simulated Sea Water Using Pseudo Scale Model
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi, Ryosuke Kato (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-72
The authors deal with the problem of position estimation in the sea using electromagnetic waves as one of the applicatio... [more] AP2019-72
pp.13-18
AP 2019-08-22
14:35
Hokkaido Hokkai-Gakuen Univ. Design and Evaluation of Antennas in Seawater
Qiang Chen, Hiroyasu Sato (Tohoku Univ.), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-60
 [more] AP2019-60
pp.69-71
AP 2019-08-22
15:00
Hokkaido Hokkai-Gakuen Univ. 3D Pattern Measurement of an Underwater Dipole Antenna Using Pseudo Scale Model
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-61
Electromagnetic field distribution in the sea should be essentially measured when developing a system that uses electrom... [more] AP2019-61
pp.73-78
AP 2019-08-22
15:25
Hokkaido Hokkai-Gakuen Univ. Fundamental study of electromagnetic wave propagation in the sea at frozen Saroma lake
Ryosuke Kato, Masaharu Takahashi (Chiba Univ.), Hiroshi Yoshida (JAMSTEC), Nozomu Ishii (Niigata Univ.), Chen Qiang (Tohoku Univ.) AP2019-62
As a basic study of an undersea positioning system using electromagnetic waves, we investigated an attenuation of electr... [more] AP2019-62
pp.79-83
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
15:35
Tokyo Kikai-Shinko-Kaikan Bldg. Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2019-24
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] WPT2019-24
pp.13-17
 Results 1 - 20 of 117  /  [Next]  
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