Acoustic minesweeping equipment - Onkyo Soukaigu

Japanese: 音響掃海具 - おんきょうそうかいぐ
Acoustic minesweeping equipment - Onkyo Soukaigu

...Therefore, in order to sweep magnetic and acoustic mines, it should be possible to do so by giving the mines pseudo-signals similar to the hull magnetism and sailing sounds that real ships produce. Inductive sweeping is a method of sweeping that is based on the detonation principle of mines, and there are magnetic sweeping tools for magnetic mines and acoustic mines for acoustic mines. Of these, magnetic sweeping tools run electric currents through floating electric wires several hundred meters long, changing the current to generate magnetic signals similar to the hull magnetism (Figure a). ...

*Some of the terminology used to refer to "acoustic minesweeping equipment" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…したがって磁気機雷や音響機雷のような感応機雷を掃海するためには,実際の艦船が発生するような船体磁気や航走音に類似した擬似信号を機雷に与えてやれば,必ず掃海できるはずである。感応掃海は,このように機雷の起爆原理にあわせた掃海法で,磁気機雷に対しては磁気掃海具が,また音響機雷に対しては音響掃海具がある。このうち磁気掃海具は,長さ数百mの浮上式の電線に電流を流し,その電流を変化させ,船体磁気に類似した磁気信号を発生するようになっている(図a)。…

※「音響掃海具」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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