摘要
This paper presents a terahertz high-gain antenna which has a certain beam scanning capability and the antenna also has an offset Cassegrain reflector structure. Beam scanning method is analyzed by the theory of quasi-optics. Moreover, we elaborate critical analysis algorithm of the antenna. Simulation results show that, in the initial position, the gain of the antenna is 44.98dB, the half-power beam width is 1 degree and the side lobe level is -29.35dB. Beam scanning angle in the horizontal and vertical direction is within ±10° respectively, the gain and beam width vary within a reasonable range and the side lobe level is always lower than -20dB. In general, the antenna can be used for scanning terahertz imaging system.
| 源语言 | 英语 |
|---|---|
| 页 | 334-336 |
| 页数 | 3 |
| DOI | |
| 出版状态 | 已出版 - 2013 |
| 活动 | 2013 3rd IEEE International Conference on Microwave Technology and Computational Electromagnetics, ICMTCE 2013 - Qingdao, 中国 期限: 27 8月 2013 → 29 8月 2013 |
会议
| 会议 | 2013 3rd IEEE International Conference on Microwave Technology and Computational Electromagnetics, ICMTCE 2013 |
|---|---|
| 国家/地区 | 中国 |
| 市 | Qingdao |
| 时期 | 27/08/13 → 29/08/13 |
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