Design of a mine-used directional antenna
A two-arms planar spiral antenna was designed for long-narrow confined space like tunnels. The antenna is composed of two symmetrical arms which are structured by four equiangular helix lines. Compared with traditional omni-directional antenna, the antenna has greater potential for reducing reflecti...
| Main Authors: | , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Industry and Mine Automation
2016-02-01
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| Series: | Gong-kuang zidonghua |
| Subjects: | |
| Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2016.02.014 |