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Ultra-broadband antenna system combining an asymmetrical dipole and a biconical dipole to form a monopole
Ultra-broadband antenna system combining an asymmetrical dipole and a biconical dipole to form a monopole
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机译:超宽带天线系统,将非对称偶极子和双圆锥偶极子结合在一起形成单极子
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摘要
An ultra-broadband antenna system is disclosed. The antenna system is a single tubular antenna structure comprising an asymmetrical dipole fed with a biconical dipole. The biconical dipole covers the high frequency spectrum, while the asymmetrical dipole covers intermediate frequencies. The invention further relates to a combination of the two dipole structures such that together they act as a monopole to cover the low frequency spectrum. A first RF connector attaches to the asymmetrical dipole and the biconical dipole, and a second RF connector excites the combination of the two dipoles as one large monopole. A choke minimizes interference between the asymmetrical/biconical dipoles and the monopole. The resulting frequency span is greater than 500:1, providing operation over the range of 20 MHz to 10 GHz.
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