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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 58 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SP, SIP, EA 2017-03-01
12:40
Okinawa Okinawa Industry Support Center [Poster Presentation] Application and Evaluation of CIP Methods to Acoustic Wave Propagation Analysis with Multi-dimensional Advection
Akihiro Fukuda, Kan Okubo (Tokyo Met. Univ.), Takuya Oshima (Niigata Univ.), Takao Tsuchiya (Doshisha Univ.), Masashi Kanamori (JAXA) EA2016-90 SIP2016-145 SP2016-85
The constrained interpolation profile (CIP) method is a calculation method with less numerical dispersion error, which u... [more] EA2016-90 SIP2016-145 SP2016-85
pp.49-54
MICT, RCC 2016-05-13
10:00
Tokyo Kikai-Shinko-Kaikan Bldg. Radio Propagation Model for Step Climbing of Mobile Robot in Under-Floor Environment
Naoyasu Kamiya, Nobuo Suzuki (KDDI Lab.), Tatsuhiro Minamikawa, Hiroko Otsuka (Daiwa House Industry) RCC2016-1 MICT2016-1
In order to implement high reliable wireless communication for mobile robot, the problem that the robot becomes uncontro... [more] RCC2016-1 MICT2016-1
pp.1-6
EA, SP, SIP 2016-03-29
09:00
Oita Beppu International Convention Center B-ConPlaza [Poster Presentation] Numerical Analysis of Acoustic Field Propagation with Advection Using Method of Characteristics
Akihiro Fukuda, Kan Okubo (Tokyo Met. Univ.), Takuya Oshima (Niigata Univ.), Takao Tsuchiya (Doshisha Univ.), Masashi Kanamori (JAXA) EA2015-107 SIP2015-156 SP2015-135
Method of characteristics (MOC) is the calculation method which transforms governing equations of acoustic field into ad... [more] EA2015-107 SIP2015-156 SP2015-135
pp.225-230
AP 2016-01-14
14:10
Tokyo Takushoku University, Hachiouji Campus Revisit to Friis Transmisson Formula
Yoshio Karasawa (UEC) AP2015-173
It is well-known that “Friis transmission formula” is the most fundamental equation and the starting point for designing... [more] AP2015-173
pp.33-36
US 2015-08-24
16:35
Tokyo Tokyo Institute of Technology, Ookayama Campus Study of sound propagation by the air gun source of Multi-Channel Seismic System in the ocean -- Does an air gun source have an influence on a swimming marine mammal? --
Toshio Tsuchiya (JAMSTEC/TUMSAT), Shinpei Gotoh (JAMSTEC), Etsuro Shimizu (TUMSAT), Kouji Futa (Mitsubishi Precision), Fujio Yamamoto, Yoshihiro Fujiwara (JAMSTEC) US2015-45
Multi Channel Seismic System (MCS) is used for purpose of an investigation in a focal region and submarine resource-sear... [more] US2015-45
pp.43-48
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
15:20
Hokkaido Kushiro City Lifelong Learning Center Study on Direction of Arrival Estimation in FDTD Analysis of Radio Propagation Using MUSIC Algorithm
Suguru Imai, Kenji Taguchi, Tatsuya Kashiwa (Kitami Inst. of Tech.) EMT2015-29 MW2015-67 OPE2015-41 EST2015-33 MWP2015-32
Traditionally, the ray-tracing method has been used to analyze radio propagation problems. Recently, the FDTD method can... [more] EMT2015-29 MW2015-67 OPE2015-41 EST2015-33 MWP2015-32
pp.117-120
EST 2015-05-15
11:25
Tokyo Hosei Univ. (Koganei Campus) [Special Talk] On the 150th anniversary of Maxwell's equations
Junji Yamauchi (Hosei Univ.) EST2015-5
(To be available after the conference date) [more] EST2015-5
p.25
NC, MBE 2015-03-16
13:55
Tokyo Tamagawa University Fundmental study on scattering suppression technique using equation of beam-wave propagation for optical transillumination imaging
Hiroyuki Tanaka (Hokkaido Univ.), Takeshi Namita (Kyoto Univ.), Yuji Kato, Koichi Shimizu (Hokkaido Univ.) MBE2014-122 NC2014-73
We have analyzed the beam-wave propagation in random media, and applied it to the transillumination imaging using practi... [more] MBE2014-122 NC2014-73
pp.35-40
MBE, NC
(Joint)
2014-11-21
11:00
Miyagi Tohoku University A Comparison of Back Propagation Learning between the Inverse-function Delayless Model and a Conventional Model
Yuta Horiuchi (Tohoku Univ), Yoshihiro Hayakawa (SNCT), Takeshi Onomi, Koji Nakajima (Tohoku Univ) NC2014-26
For the combinatorial optimization problem using the hopfield model, avoidance of the local minimum problem is important... [more] NC2014-26
pp.7-10
MW 2014-03-04
09:55
Ehime Ehime University Analytical Evaluation of Radiowave Propagation Properties Based on Measured Path Loss in Automotive Engine Compartment
Masataka Ohira (Saitama Univ.), Susumu Ano, Shoichi Kitazawa, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi (ATR) MW2013-197
A wireless harness is a new emerging short-range point-to-multipoint communication, enabling to the replacement of wire ... [more] MW2013-197
pp.1-6
AP 2014-01-22
10:25
Kagoshima Hozan Hall (Kagoshima Prefectural Culture Center) Cumulative Distribution of Correlation between MIMO Channel Matrix Elements with Movement -- Comparison of Distribution with Theoretical and Simulation Values --
Yuuki Kanemiyo ((Former) Chiba Tech), Shouhei Asaoka, Hiroaki Nakabayashi (Chiba Tech), Shigeru Kozono ((Former) Chiba Tech) AP2013-135
As a property of MIMO channel, a cumulative distribution of correlation coefficient between MIMO channel matrix elements... [more] AP2013-135
pp.7-12
MW
(Workshop)
2013-12-02
- 2013-12-04
Overseas King Mongkut's University of Technology North Bangkok, Thailand [Invited Talk] Experimental Evaluation of Furniture Radar Cross Section in Indoor Propagation Channel
Myo Myint Maw, Sathaporn Promwong (KMITL), Jun-ichi Takada (TIT)
For the propagation prediction model, the complex furniture such as table and chair are typical objects that cannot be a... [more]
MBE, NC
(Joint)
2013-03-15
10:15
Tokyo Tamagawa University Development of technique for improvement of optical transillumination images using equation of beam wave propagation
Yuki Okuyama, Takeshi Namita, Yuji Kato, Koichi Shimizu (Hokkaido Univ.) MBE2012-112
To realize the practical transillumination imaging with beam-wave incidence, we had derived the equation of beam-wave pr... [more] MBE2012-112
pp.121-126
EA, EMM 2012-11-17
14:10
Oita OITA Univ. Estimation of sound field based on inversion of Kirchhoff-Helmholtz integral equation and forward wave propagation
Takuma Okamoto, Seigo Enomoto, Ryouichi Nishimura (NICT) EA2012-105 EMM2012-87
We propose a novel sound field estimation method based on inversion of Kirchhoff-Helmholtz integral equation and forward... [more] EA2012-105 EMM2012-87
pp.141-146
US 2012-06-21
16:15
Tokyo IIS, Univ. of Tokyo Sound field rendering by high accuracy FDTD method
Takao Tsuchiya, Takuto Ishii (Doshisha Univ.), Kan Okubo (Tokyo Met. Univ.) US2012-17
In this study, the accuracy of the wave equation finite difference time domain (WE-FDTD) method is analyzed. To increas... [more] US2012-17
pp.23-28
US 2011-11-24
16:15
Shizuoka Tokai Univ. Methods of Carrier Ultrasound Reducing of Parametric Loudspeaker
Yoshiyuki Hara, Toshikazu Horino, Hideyuki Nomura, Tomoo Kamakura (UEC) US2011-75
A parametric loudspeaker using the self-demodulation of a finite-amplitude ultrasonic wave is promising for improving so... [more] US2011-75
pp.53-58
US 2011-09-26
16:40
Miyagi Tohoku Univ. Influence of non-uniform sound speed in focal region on the second harmonic component
Shigemi Saito (Tokai Univ.) US2011-52
The fundamental and second harmonic components in the focused sound transmitting through the layer of the medium with a ... [more] US2011-52
pp.31-36
US 2011-06-23
14:50
Tokyo   Sound field rendering based on wave equation FDTD (WE-FDTD) method
Takao Tsuchiya, Takuto Ishii (Doshisha Univ.), Kan Okubo (Tokyo Metropolitan Univ.) US2011-17
In this study, wave equation finite difference time domain (WE-FDTD) method and its reduced memory version (RMWE-FDTD) a... [more] US2011-17
pp.25-30
AP 2011-05-12
16:15
Kagoshima   Two-Rays Model and Propagation Characteristics in View of Hata's Empirical Equations
Kazunori Uchida, Junichi Honda, Taro Tamaki, Takefumi Takematsu (FIT) AP2011-14
In urban or suburban areas, propagation characteristics are much influenced by buildings and houses as well as other art... [more] AP2011-14
pp.49-54
US 2011-04-28
13:25
Tokyo The University of Electro-Communications Estimation of sound field formed by parametric array using numerical simulation -- Application to self-silenced sound beam --
Hideyuki Nomura (UEC), Claes M. Hedberg (BTH), Tomoo Kamakura (UEC) US2011-2
This study proposes a numerical calculation method that simulates a nonlinear propagation of ultrasound beams, estimatin... [more] US2011-2
pp.7-12
 Results 21 - 40 of 58 [Previous]  /  [Next]  
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