radio detection; radiolocation
Technical term for detecting objects or signals using radio waves; used in radar, electronic warfare, and navigation contexts.
The radio detection equipment picked up the enemy's radar waves.
This system determines the position of aircraft by radiolocation.
レーダー is the common loanword for radar, while 電波探知 is a more formal, technical term often used in military or engineering contexts.
電波探知機 specifically refers to a radio detection device or radar set, whereas 電波探知 is the broader concept or action of detection.
Compound of 電波 (radio wave) and 探知 (detection, search). A straightforward technical term with no known historical irregularities.