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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 17:50 |
Kyoto | Kambaikan, Doshisha Univ. | Application of pulse compression technique to parametric difference frequency sound Hideyuki Nomura, Hideo Adachi, Tomoo Kamakura (Univ. of Electro- Comm.), Gregory T. Clement (HMS)  US2012-98 EA2012-129 |
Parametric difference frequency sound can propagate for long distance, because the energy dissipation of sound in a medi... [more] | US2012-98 EA2012-129 pp.59-62 |
| US | 2012-11-29 16:15 |
Shizuoka | Shizuoka Univ. | Sound Localization by Two-Channel Parametric Loudspeaker Hiromi Shinjo, Tomoo Kamakura, Hideyuki Nomura (UEC) US2012-78 |
Recently, much attention has been given to a surround-audio system by the advancement of technology of sound field repro... [more] | US2012-78 pp.45-50 |
| US | 2012-11-29 16:40 |
Shizuoka | Shizuoka Univ. | Compressed parametric ultrasound with chirp signal Hideyuki Nomura, Hideo Adachi, Tomoo Kamakura (UEC), Gregory T. Clement (HMS) US2012-79 |
The directivity of parametric difference frequency sound is narrower than that of linear sound with same frequency radi... [more] |
US2012-79 pp.51-56 |
| US | 2012-09-24 13:10 |
Akita | Tegata Campus, Akita Univ. | Effects of the Randomized Distribution of On-source Pressure on Nonlinear Field Formation Tomoo Kamakura, Hideyuki Nomura, Gregory T. Clement (UEC) US2012-58 |
[more] | US2012-58 pp.1-6 |
| EA, US (Joint) |
2012-01-26 11:30 |
Osaka | Kansai Univ. | Applications of Split-step Pad'e Approximation to Theoretical Analysis of Nonlinear Sound Fields Tomoo Kamakura, Hideyuki Nomura, Gregory T. Clement (UEC) US2011-88 |
[more] | US2011-88 pp.13-18 |
| EA, US (Joint) |
2012-01-26 14:15 |
Osaka | Kansai Univ. | Numerical simulation of parametric sound array and visualization of difference frequency beam generation Hideyuki Nomura, Tomoo Kamakura, Gregory T. Clement (UEC), Claes M. Hedberg (Blekinge Inst. of Tech.) US2011-91 EA2011-109 |
In order to understand the process of parametric sound generation, it is useful to capture instantaneous sound fields of... [more] | US2011-91 EA2011-109 pp.29-34(US), pp.31-36(EA) |
| 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 | 2011-10-31 14:15 |
Yamanashi | University of Yamanashi | Extended High-frequency Audiometry under Presentation of Ultrasound Kan-ya Ito, Hideyuki Nomura, Tomoo Kamakura (UEC) US2011-61 |
Recently, many ultrasonic devices in industry and commercial use including parametric loudspeakers have been developed. ... [more] | US2011-61 pp.19-22 |
| 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 |
| US | 2010-11-25 16:15 |
Aichi | Nonlinearly propagating ultrasound beams in inhomogeneous media Tomoo Kamakura, Hideyuki Nomura (Univ. of Electro-Comm) US2010-83 |
[more] | US2010-83 pp.33-38 |
|
| US | 2010-09-29 14:15 |
Miyagi | Tohoku Univ. | Nonlinear bandwidth extension for pulse compression Gregory T. Clement, Hideyuki Nomura, Tomoo Kamakura (Univ. of Electro-Comm.) US2010-51 |
[more] | US2010-51 pp.17-22 |
| US | 2010-04-22 13:20 |
Tokyo | The University of Electro-Communications | Driving for Reducing Carrier Ultrasound of Parametric Loudspeaker Yoshiyuki Hara, Yoshu Maekawa, Hideyuki Nomura, Tomoo Kamakura (UEC) US2010-1 |
A parametric loudspeaker using the self-demodulation of a finite-amplitude ultrasonic wave by the nonlinearity of the a... [more] |
US2010-1 pp.1-4 |
| EA, US (Joint) |
2010-01-25 13:25 |
Osaka | Nonlinearly generated broad-band ultrasonic wave and its application to high pulse-compression in water Takefumi Suda, Hideyuki Nomura, Tomoo Kamakura (The Univ. of Electro-Comm.) US2009-92 |
[more] | US2009-92 pp.27-30 |
|
| EA, US (Joint) |
2010-01-25 15:00 |
Osaka | Out-of-phase excitation for parametric loudspeaker
-- Effect of arrangment of ultrasonic projectors on parametric fields -- Akira Kikuchi, Yoshu Maekawa, Yoshiyuki Hara, Tomoo Kamakura, Hideyuki Nomura, Shinichi Sakai (Univ. of Electro-Comm.) US2009-95 EA2009-103 |
A parametric loudspeaker is practically promising because its directivity is much sharper than that of a conventional l... [more] |
US2009-95 EA2009-103 pp.43-46(US), pp.25-28(EA) |
|
| EA, US (Joint) |
2010-01-26 13:00 |
Osaka | Principal Component Analysis Applied to Detection of Road Surface Conditions Using Tire Noise from Passing Vehicles Wuttiwat Kongrattanaprasert, Hideyuki Nomura, Tomoo Kamakura (Univ. of Electro-Comm.), Koji Ueda (Daido Univ.) EA2009-111 |
[more] | EA2009-111 pp.73-76 |
|
| US | 2009-11-27 14:40 |
Shizuoka | Shizuoka University, Hamamatsu Campus | Acoustic characteristics of ear canal model for studying ultrasonic exposure Masayoshi Kondo, Toru Yoshida, Hideyuki Nomura, Tomoo Kamakura (Univ. of Electro-Comm.) US2009-75 |
For studying ultrasonic exposure to human beings, we have investigated sound pressure characteristics in several narrow ... [more] | US2009-75 pp.25-28 |
| EA, US (Joint) |
2009-01-29 14:55 |
Kyoto | Phase inversion driving for parametric loudspeaker
-- Reduction of ultrasonic sound pressure and application for head model -- Masayoshi Kondo, Daisuke Fukagawa, Hideyuki Nomura, Tomoo Kamakura (UEC) US2008-78 EA2008-120 |
Two planar projectors with identical rectangular apertures are placed side by side. Both the projectors radiate intense ... [more] | US2008-78 EA2008-120 pp.33-36(US), pp.25-28(EA) |
|
| EA, US (Joint) |
2009-01-30 10:10 |
Kyoto | Automatic Detection of Road Surface Conditions using Tire Noise from Vehicles Wuttiwat Kongrattanaprasert, Hideyuki Nomura, Tomoo Kamakura (Univ. of Electro-Comm.), Koji Ueda (Nagoya Electric) EA2008-125 |
This paper proposes a new method for automatically detecting the states of the road surface from tire noises of vehicles... [more] | EA2008-125 pp.55-60 |
|
| US | 2008-11-27 14:45 |
Shizuoka | Phase Inversion Driving for Reducing Carrier Ultrasound of Parametric Loudspeaker Satoshi Kikuchi, Hidetoshi Aiko, Tomoo Kamakura, Hideyuki Nomura, Shinichi Sakai (The University of Electro-Communications) US2008-63 |
An ultrasound source with a simple configuration is considered as a theoretical model. The source with a circular aper... [more] |
US2008-63 pp.13-16 |
|
| US | 2008-08-29 14:00 |
Tokyo | Jamstec | Theoretical prediction of sound field focused by acoustic lens Hiromu Shiga, Hideyuki Nomura, Tomoo Kamakura (UEC) US2008-27 |
Using wave theory, we examined the influences of characteristic impedance, absorption coefficients of longitudinal and s... [more] | US2008-27 pp.7-10 |
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