放ほう射しゃ角かく

noun

radiation angle

Technical term used in physics and engineering to describe the angle at which radiation is emitted or received.

• アンテナの放ほう射しゃ角かくを調ちょう整せいすることで、通つう信しん範はん囲いが変かわる。

  By adjusting the radiation angle of the antenna, the communication range changes.