发明名称 |
Underwater detector and method capable of calculating fish quantity information on school of fish |
摘要 |
An underwater sounding apparatus includes a transmitter section (3) for transmitting an acoustic signal in a specific direction underwater from a ship, a receiver section (4) for receiving an echo reflected from inside a fish school FS as a result of the aforementioned transmitted acoustic signal by means of a receiving beam, and a signal processing section (5) for processing signals picked up by the aforementioned receiving beam. The signal processing section (5) calculates fish quantity information about the aforementioned fish school FS by integrating equivalent input sound intensities obtained by the aforementioned receiving beam in specific three-dimensional directions. |
申请公布号 |
GB2432672(B) |
申请公布日期 |
2008.04.09 |
申请号 |
GB20070004964 |
申请日期 |
2005.03.28 |
申请人 |
FURUNO ELECTRIC COMPANY LIMITED;NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY |
发明人 |
KOHJI IIDA;YASUSHI NISHIMORI;EMI OKAZAKI |
分类号 |
G01S15/96;G01S7/523 |
主分类号 |
G01S15/96 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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