[問題] HPBW半功率波束寬
小弟目前研究方向為圓極化
有沒有圓極化達人可幫解答
為何場型要看半功率波束寬或是稱為3dB波束寬?
是一般系統定義功率需在一半以上嗎?
還有為何使用Horn antenna使它旋轉來量測~有其他方法嗎~鋸齒狀的場形該怎麼解釋
謝謝回答!!
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