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天線(xiàn)的基本原理是基于電磁感應(yīng)和電磁波的輻射與接收。當(dāng)高頻電流通過(guò)天線(xiàn)導(dǎo)體時(shí),會(huì)在導(dǎo)體周?chē)a(chǎn)生交變的電磁場(chǎng),這個(gè)電磁場(chǎng)會(huì)向空間輻射電磁波;反之,當(dāng)空間中的電磁波遇到天線(xiàn)時(shí),會(huì)在天線(xiàn)導(dǎo)體上產(chǎn)生感應(yīng)電流,從而實(shí)現(xiàn)電磁波的接收。天線(xiàn)的性能主要由其輻射方向圖、增益、輸入阻抗、帶寬等參數(shù)來(lái)描述。
Contact:Zhang Chaoxiphone:15712120985 Fax:0755-28684508 QQ:2481314240Address:4th Floor, Building C, Fuyunlai Science and Technology Park, No. 57 Anhua Road, Yuanshan Street, Longgang District, Shenzhen
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