A plane that contains the direction of electromagnetic wave propagation and the vibration direction of its electric field rotates. It is used in space communication antennas because it can receive radio waves regardless of their angle. Depending on the direction of rotation, it is classified as right-handed circular polarization or left-handed circular polarization. When the electromagnetic wave is light, it is called circular polarization. → Linear polarization Source: About Shogakukan Digital Daijisen Information | Legend |
電磁波の進行方向とその電場の振動方向を含む面が回転するもの。電波の角度によらず受信できるため、宇宙通信のアンテナに用いられる。回転方向によって右旋円偏波と左旋円偏波に分類される。電磁波が光の場合は円偏光という。→直線偏波
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