漁船の海中への放射雑音

• 鄭 龍晋

  鹿児島大学大学院連合農学研究科

• 松野 保久

  鹿児島大学水産学部

• 藤枝 繁

  鹿児島大学水産学部

• 山中 有一

  鹿児島大学水産学部

書誌事項

タイトル別名

• The Underwater Noise Emitted by Fishing Boats.
• ギョセン ノ カイチュウ エ ノ ホウシャ ザツオン

抄録

The underwater noise emitted by fishing boats is one of the main noise sources in coastal fishing grounds. This paper intends to investigate the underwater noise emitted by fishing boats, by means of measuring both drifting and cruising noise for small trawlers and medium purse seiners.<br> The spectrum of noise when drifting showed some harmonics (line component spectrum) of basic frequency which corresponded to the main engine and generator revolution pitch. The noise at cruising showed a powerful continuous component spectrum above 50 Hz frequency zone to the propeller influence as well as line components spectrum. It dominated when applied to full speed ahead and astern. The sound spectrogram of underwater noise emitted by fishing boats when cruising showed furthermore doppler phenominon and interference. These functions at cruising were influenced by distance from noise source, depth, reflection number, main engine and generator revo-lution, and cruising speed.

収録刊行物

• 日本水産学会誌

  日本水産学会誌 61 (4), 553-560, 1995

  公益社団法人 日本水産学会

キーワード

• 放射雑音
• 漁船
• パワースペクトル
• 海中雑音
• トロール
• 旋網

詳細情報

• CRID: 1390001206410544128
• NII論文ID: 10004847199
• NII論文ID: 10004850797
• NII書誌ID: AN00193422
• DOI: 10.2331/suisan.61.553
• ISSN: 1349998X
• ISSN: 00215392
• NDL書誌ID: 3631431
• Web Site: https://agriknowledge.affrc.go.jp/RN/2030540932
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3631431
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可