Chaff jamming

Japanese: chaff jamming(英語表記)chaffjamming
Chaff jamming

…If a radar display receives this, the entire surface will glow white and nothing will be visible. There is something called chaff jamming that has the same purpose. Chaff is a very light radio wave reflector made of thin aluminum wires cut to a length of about half the radar wavelength. By scattering a large amount of this in the air, enemy radar is hidden by its own reflected radio waves and the target cannot be seen. …

*Some of the terminology that mentions "chaff jamming" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これを受けるとレーダー表示器であればその全面が白く輝き何も見えなくなる。これと同じ目的でチャフ妨害chaff jammingと呼ばれるものがある。チャフはアルミ細線などをレーダー波長の約半分の長さに切ったごく軽量の電波の反射体で,これを多量に空中散布することにより敵レーダーはみずからの反射電波で隠され目標が見えなくなる。…

※「chaff jamming」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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