Observation of traveling wave with laser tomography

Yusuke Ikeda, Naoki Okamoto, Tadashi Konishi, Yasuhiro Oikawa, Yasuhiro Tokita, Yoshio Yamasaki

研究成果: Article査読

11 被引用数 (Scopus)

抄録

In this study, we observe traveling sound waves with a laser and computed tomography. In our previous research, we observed steady-state sound fields using a sine wave signal. However, transient sound fields observation is necessary in order to observe more complicated sound fields that need to be separated into direct and reflected sounds. Therefore, in this study, we use a traveling sound wave (pulse sound wave). For fundamental experiments, we observed projections of a traveling pulse sound wave generated by a 2-way loudspeaker and a flat-panel loudspeaker with a laser. For transit sound fields, we used the sound field projections obtained with a laser to observe that a flat sound wave generated by a flat-panel loudspeaker is reflected by a sound-reflecting board. Then, we reconstructed the sound field information on the transition of a pulse sound wave generated by a 2-way loudspeaker, by computed tomography.

本文言語English
ページ(範囲)231-238
ページ数8
ジャーナルAcoustical Science and Technology
37
5
DOI
出版ステータスPublished - 2016

ASJC Scopus subject areas

  • 音響学および超音波学

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