方ほう向こう探たん知ち

noun

direction finding; direction detection

Technical term used in navigation, radio, and signal processing to determine the direction of a signal source.

• 方ほう向こう探たん知ち装そう置ちを使つかって遭そう難なん信しん号ごうの発はっ信しん源げんを特とく定ていした。

  They located the source of the distress signal using a direction-finding device.