noun
radio detection; radiolocation
Technical term for detecting objects or signals using radio waves; used in radar, electronic warfare, and navigation contexts.
電波探知装置が敵のレーダー波を捉えた。
The radio detection equipment picked up the enemy's radar waves.
このシステムは電波探知によって航空機の位置を特定する。
This system determines the position of aircraft by radiolocation.
Compound of 電波 (radio wave) and 探知 (detection, search). A straightforward technical term with no known historical irregularities.