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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| US, EA (Joint) |
2013-01-24 11:40 |
Kyoto | Kambaikan, Doshisha Univ. | A Study on Speckle Suppression By Transmitting Multiple Ultrasound Beams with Random Fluctuations Haruka Suzuki, Norio Tagawa, Kan Okubo (Tokyo Metro. Univ.)  US2012-91 |
Speckle suppression methods can be roughly divided into three categories: the first one is based on the statistical ch... [more] |
US2012-91 pp.19-24 |
| 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 |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-26 15:15 |
Osaka | Osaka Univ. Convention Center | GPU Computing-based Interactive Simulation of Electromagnetic Field Naoki Kawada, Kan Okubo, Norio Tagawa (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.) PN2011-40 OPE2011-156 LQE2011-142 EST2011-90 MWP2011-58 |
[more] | PN2011-40 OPE2011-156 LQE2011-142 EST2011-90 MWP2011-58 pp.37-41 |
| 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 |
|
| EMCJ, MW, EST | 2011-05-26 13:30 |
Tokyo | NICT | Multi-GPU Numerical Simulation of Electromagnetic Field with High-speed Visualization Using CUDA and OpenGL Naoki Kawada, Kan Okubo, Norio Tagawa (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.) EMCJ2011-15 MW2011-12 EST2011-8 |
[more] | EMCJ2011-15 MW2011-12 EST2011-8 pp.33-38 |
| US | 2011-02-21 10:35 |
Ibaraki | Examination on High-speed Visualization of Acoustic Numerical Analysis Using CUDA and OpenGL
-- Proposal of PMCC(Permeable Multi Cross-section Contours) -- Naoki Kawada, Kan Okubo, Norio Tagawa (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.), Takashi Ishizuka (Shimizu Corporation) US2010-114 |
In this study, we made a examination on acoustic field numerical analysis using GPU(Graphics Processing Unit) and report... [more] | US2010-114 pp.13-18 |
|
| US | 2010-09-29 13:00 |
Miyagi | Tohoku Univ. | The Relationship between Calculation Accuracy and Handling of Derivative Propagation in the GCIP Method
-- Acoustic simulation Using the GCIP(L,M:l,m) Method -- Kan Okubo, Naoki Kawada, Norio Tagawa (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.) US2010-48 |
This study addresses the issue of handling of derivative propagation in the GCIP method. We propose generalized CIP (L,M... [more] | US2010-48 pp.1-5 |
| US | 2010-09-29 13:25 |
Miyagi | Tohoku Univ. | Numerical analysis of sound wave propagation using amplitude component of FDTD solution and phase component of CIP solution Masakazu Sugimura, Takao Tsuchiya (Doshisha Univ.), Kan Okubo (Tokyo Metropolitan Univ.) US2010-49 |
In this study, a numerical method for sound wave propagation in time domain is proposed based on the synthesis of two nu... [more] | US2010-49 pp.7-12 |
| US | 2010-06-24 09:25 |
Tokyo | An Investigation on Acoustic Simulation Using FDTD-CIP Hybrid Technique Masaki Ohmiya, Kan Okubo (Tokyo Metropolitan Univ.), Takao Tsuchiya (Doshisha Univ.), Norio Tagawa (Tokyo Metropolitan Univ.) US2010-15 |
This study addresses the issue of large-scale simulations of sound wave propagation. We examine a hybrid technique combi... [more] | US2010-15 pp.7-11 |
|
| US | 2010-06-24 09:50 |
Tokyo | Tissue Harmonic Imaging with Chirp Signal Based on Split and Merge Starategy Masayuki Tanabe (Tokyo Metro. Univ./JSPS), Takuya Yamamura, Kan Okubo, Norio Tagawa (Tokyo Metro. Univ.) US2010-16 |
In this study, we present a new tissue harmonic imaging (THI) method that uses multi chirp signals. Medical ultrasound i... [more] | US2010-16 pp.13-17 |
|
| US | 2010-04-22 14:55 |
Tokyo | The University of Electro-Communications | Two dimensional numerical analysis of nonlinear sound wave propagation using CIP method including nonlinear effect in advection calculation Takao Tsuchiya, Masayuki Tanaka (Doshisha Univ.), Kan Okubo (Tokyo Met. Univ.) US2010-4 |
In this study, a numerical simulation of nonlinear sound wave propagation in the time domain is performed by the const... [more] |
US2010-4 pp.13-18 |
| US | 2010-02-24 11:15 |
Tokyo | TOKYO KEIKI INC. | Development of Ultrasound Breast Imaging System with Probe Rotation Scanning Satoshi Ozawa (Tokyo Metro Univ.), Masakazu Sato, Hiroshi Kitunai (Microsonic), Takasuke Irie (Tokyo Metro Univ/Microsonic), Kan Okubo, Norio Tagawa (Tokyo Metro Univ.), Masasumi Yoshizawa (Tokyo Metropolitan College), Hiroshi Yokoi (Yokoi Orthopedic Clinic), Nobuyuki Honda (Teramoto Memorial Hospital) US2009-114 |
We have proposed an ultrasound breast imaging system by developing a mechanical scanner having a manipulator which holds... [more] | US2009-114 pp.15-18 |
| EA, US (Joint) |
2010-01-25 14:35 |
Osaka | Miniature Ultrasound Motor Using Helical Coiled Waveguide Masayuki Tanabe, Kan Okubo, Norio Tagawa (Tokyo Metro. Univ.) US2009-94 EA2009-102 |
Miniaturization of motors is required because the electric devices are also becoming smaller. In the previous work, a mo... [more] | US2009-94 EA2009-102 pp.39-42(US), pp.21-24(EA) |
|
| RCS, AP (Joint) |
2009-11-27 15:20 |
Tokyo | Tokyo Inst. of Tech. | Numerical Simulation of Electromagnetic Wave Propagation Using Generalized CIP (l, m) Method Kan Okubo, Naoki Kawada (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.) AP2009-140 |
This study addresses the issue of a low-dispersive and low-dissipative scheme for the simulation of electromagnetic fiel... [more] | AP2009-140 pp.123-128 |
| RCS, AP (Joint) |
2009-11-27 15:45 |
Tokyo | Tokyo Inst. of Tech. | On Decreasing the Calculation Time in Electromagnetic Field Numerical Analysis Using Graphics Processing Unit(GPU) Naoki Kawada, Kan Okubo (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.) AP2009-141 |
Recently, GPGPU(General Purpose computation on GPUs) is proposed as a acceleration tool for the calculation of various f... [more] | AP2009-141 pp.129-134 |
| US | 2009-04-24 16:15 |
Tokyo | The University of Electro-Communications | Analysis of Surface Particle Motion in Helical Coiled Waveguide Ryo Tanaka, Masayuki Tanabe, Kan Okubo, Norio Tagawa (Tokyo Met Univ.) US2009-6 |
Authors developed a traveling-wave-type ultrasound motor using a helical coiled waveguided as a stator.The motor has an ... [more] | US2009-6 pp.29-33 |
| US | 2009-04-24 16:45 |
Tokyo | The University of Electro-Communications | An Examination of Superresolution Technique for the Ultrasonic Echo Method Using the FM Chirp Pulse Compression Masaki Fujiwara, Kan Okubo, Norio Tagawa (Tokyo Met. Univ.) US2009-7 |
This study addresses the issue of super-resolution pulse compression technique (PCT) used for ultrasound imaging. Time r... [more] | US2009-7 pp.35-38 |
| EMCJ | 2008-07-17 16:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Numerical simulations of electromagnetic field Generated by Lightning Stroke Using the CIP method Kan Okubo (Tokyo Met. Univ.), Yuichi Yoshida, Nobunao Takeuchi (Akita Prefectural Univ.) EMCJ2008-39 |
This study examined numerical simulation of electromagnetic field generated by lightning stroke using the Constrained In... [more] | EMCJ2008-39 pp.77-82 |
| EA, US (Joint) |
2008-01-28 13:30 |
Osaka | Kansai University | Dependence of Calculation Accuracy on Timestep in Numerical Simulation of Acoustic Field Using the CIP Method Masahito Konno, Kan Okubo (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.), Norio Tagawa (Tokyo Met. Univ.) US2007-90 EA2007-96 |
To date, a number of numerical analysis in time domain has been investigated for sound wave propagation. Conventional me... [more] | US2007-90 EA2007-96 pp.7-12 |
| EA | 2007-10-19 11:15 |
Nagano | Shinshu University Faculty of Engineering | Two-Dimensional Numerical Simulation for sound wave propagation using the Type-M CIP method considering handling of the boundary surface Kan Okubo, Masahito Konno (Tokyo Met. Univ.), Takao Tsuchiya (Doshisha Univ.), Sungqwan Oh, Nobunao Takeuchi (Akita Prefectural Univ.), Norio Tagawa (Tokyo Met. Univ.) EA2007-67 |
The analysis of acoustic wave propagation using the constrained interpolation profile (CIP) method requires the treatmen... [more] | EA2007-67 pp.19-23 |
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