Experimental research on magnetic dipole characteristic of combined antenna
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摘要: 通过对组合振子的实验研究，验证了磁偶极子回路所具有的优势：能够极大地改善天线低频传输以及辐射特性，具有明显的低频补偿能力。此外，通过设置磁偶回路周长比，比较了不同磁偶回路状态下的天线特性，发现双磁偶回路对于低频特性的改善要优于单磁偶回路，后者的优势主要体现在高频。根据这一现象，采用单磁偶回路结构设计工作频带为300 MHz~5 GHz组合振子接收天线。Abstract: By the experimental research of combined antenna, the advantages of magnetic dipole loop were verified: the loop can improve greatly low-frequency characteristic of radiation and transmission, it has the ability of low-frequency compensation. Furthermore, setting the ratio of magnetic dipole loop circumference S/S0, we compared the antenna characteristic at different status of magnetic dipole loop, found that double magnetic dipole loop had better low-frequency improvement, and single magnetic dipole loop had more advantages at high frequency.We hereby designed a combined receiving antenna with operation frequency of 300 MHz~5 GHz and structure of single magnetic dipole loop.
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Key words:
- combined antenna /
- ultra-wideband antenna /
- electric dipole /
- magnetic dipole
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