Development of high-frequency micro echo sounder

被引：3

作者：

Miyamoto, Y ^{[1
]}

Sakai, T

Furusawa, M

Naito, Y

机构：

[1] Tokyo Univ Marine Sci & Technol, Fac Marine Sci, Dept Ocean Sci, Minato Ku, Tokyo 1088477, Japan

[2] Natl Inst Polar Res, Itabashi Ku, Tokyo 1738515, Japan

来源：

FISHERIES SCIENCE | 2004年 / 70卷 / 03期

关键词：

aquatic animals; echo sounder; high frequency; krill; micro data logger;

D O I：

10.1111/j.1444-2906.2004.00817.x

中图分类号：

S9 [水产、渔业];

学科分类号：

0908 ;

摘要：

The authors have developed a micro echo sounder operating at a frequency as high as 1 MHz, which can be attached to aquatic animals in combination with a depth and temperature sensor to obtain information on the animal's prey as well as its behavior. The performance of the sounder was evaluated in an experimental tank and its detection range was estimated to confirm its effectiveness. The beam width is 5.9degrees and the maximum detection distance is estimated as 34 m when the target strength of an object animal is -50 dB.

引用

页码：381 / 388

页数：8

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