element antenna的用法和樣例：
例句
- Electric fields radiated by ESD are studied experimentally with a monopole antenna.
利用單極子天線對靜電放電產生的電磁脈衝進行了實驗研究。 - The radiation patterns and directivities of a dipole antenna and antenna arrays excited by sinusoidal and walsh waves are compared.
對偶極子天線和天線陣列用正弦波和沃爾什波輻射時的方向圖和方向性係數進行了比較。
