RESEARCH ON SPATIAL INFORMATION MONITORING BY SMALL-SCALE ARRAY SOUND PROBE

• Project/Area Number: 19760280
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Measurement engineering
• Research Institution: Toba National College of Maritime Technology
• Principal Investigator: MASUYAMA Hiroyuki Toba National College of Maritime Technology, 電子機械工学科, 助教 (90334052)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,490,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥390,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
• Keywords: 計測工学 / 電子デバイス・機器 / 音響波デバイス、センサ / 可視化 / 音響波デバイス / センサ / 矩形音源 / アレイ / 反射点探索

Research Abstract

少数要素のアレイ状音源による新たな音響波イメージング・空間情報取得法の構成を目指した検討を実施した。無回折音響波ビームを放射する円環アレイ音源の素子形状に関する検討では、各要素の幅が精密に設定されずとも、所望の要素数と最外要素中心半径を満たせば、幅の鋭いビームが安定して形成されると考えられる結果を得た。また、少数要素矩形音源アレイによる空間中の音響波反射点の探索法に関する検討では、単一の矩形音源による探索と比較して、探索結果が改善されたと考えられる結果を得た。

Research Products

• [Journal Article] Reflection Point Search Using Rectangular Sound Source Improved by Introduction of Array with Small Number of Element (2009)
  • Author(s): Hiroyuki Masuyama, Koichi Mizutani
  • Journal Title: Japanese Journal of Applied Physics 48(印刷中)
  • NAID: 210000067093
  • Peer Reviewed
• [Journal Article] Reflection Point Search Using Rectangular Sound Source Improved by Introduction of Array with Small Number of Element (2008)
  • Author(s): Hiroyuki Masuyama and Koichi Mizutani
  • Journal Title: Japanese Journal of Applied Physics 48(in press)
  • NAID: 210000067093
  • Peer Reviewed
• [Journal Article] Direction-Variable Beam by Decentered Annular Array Sound Source with Rounded Width of Elements (2008)
  • Author(s): Hiroyuki Masuyama and Koichi Mizutani
  • Journal Title: Japanese Journal of Applied Physics 47 Pages: 3964-3966
  • Peer Reviewed
• [Journal Article] Direction-Variable Beam by Decentered Annular Array Sound Source with Rounded Width of Elements (2008)
  • Author(s): Hiroyuki Masuyama, Koichi Mizutani
  • Journal Title: Japanese Journal of Applied Physics 47(印刷中)
  • Peer Reviewed
• [Presentation] Improvement of Reflection Point Search by Rectangular Sound Source through Introducing Array with Small Number of Element (2008)
  • Author(s): Hiroyuki Masuyama and Koichi Mizutani
  • Organizer: The 29th Symposium on Ultrasonic Electronics
  • Place of Presentation: Sendai City Silver Center(Japan)
  • Year and Date: 2008-11-12
• [Presentation] Improvement of Reflection Point Search by Rectangular Sound Source through Introducing Array with Small Number of Element (2008)
  • Author(s): Hiroyuki Masuyama, Koichi Mizutani
  • Organizer: The 29th Symposium on Ultrasonic Electronics
  • Place of Presentation: Sendai City Silver Center (Japan)
  • Year and Date: 2008-11-12
• [Presentation] 少数要素矩形音源アレイによる反射点位置探索 (2008)
  • Author(s): 増山裕之,水谷孝一
  • Organizer: 日本音響学会2008年秋季研究発表会
  • Place of Presentation: 九州大学
  • Year and Date: 2008-09-11
• [Presentation] Direction-Variable Beam by Decentered Annular Array Sound Source with Rounded Width of Elements (2007)
  • Author(s): Hiroyuki Masuyama and Koichi Mizutani
  • Organizer: The 28th Symposium on Ultrasonic Electronics
  • Place of Presentation: Tsukuba International Congress Center(Japan)
  • Year and Date: 2007-11-16
• [Presentation] 要素幅が制約された円環アレイにおける放射ビーム形状への影響 (2007)
  • Author(s): 増山裕之,水谷孝一
  • Organizer: 日本音響学会2007年秋季研究発表会
  • Place of Presentation: 山梨大学
  • Year and Date: 2007-09-20