Array Antenna
According to one embodiment of the present disclosure, an array antenna comprises: an antenna unit including a substrate, a plurality of radiating elements formed on one surface of the substrate, and a coupled line formed on one surface of the substrate to be space apart from the plurality of radiat...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | According to one embodiment of the present disclosure, an array antenna comprises: an antenna unit including a substrate, a plurality of radiating elements formed on one surface of the substrate, and a coupled line formed on one surface of the substrate to be space apart from the plurality of radiating elements at a pre-set distance; a transmitting and receiving unit including a plurality of active elements electrically connected to each of the plurality of radiating elements to transmit a transmission signal or receive a reception signal by using the plurality of radiating elements; and a control unit detecting a signal coupled to the coupled line and performing a correction for each of the plurality of active elements based on the detected signal. The purpose of the present invention is to provide the array antenna, wherein antenna degradation by insertion loss does not occur.
본 개시의 일 실시예에 따른 어레이 안테나는 기판, 기판의 일면에 형성된 복수의 방사소자 및 복수의 방사소자로부터 미리 설정된 거리만큼 이격되어 기판의 일면에 형성된 결합선로를 포함하는 안테나부, 복수의 방사소자를 이용하여 송신신호를 송신하거나 수신신호를 수신할 수 있도록 복수의 방사소자 각각에 전기적으로 연결되는 복수의 능동소자를 포함하는 송수신부 및 결합선로에 커플링되는 신호를 감지하고, 감지한 신호를 기초로 복수의 능동소자 각각에 대한 교정을 수행하는 제어부를 포함한다. |
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