发明名称 |
Cellular antennas with improved front-to-back performance |
摘要 |
A 90 degree azimuth beamwidth is achieved in a narrow cellular antenna, by inclusion of sidewalls. To improve front-to-back performance, slot radiating elements extending through the sidewalls re-radiate signals behind the antenna. Signals re-radiated from the slot elements are effective to partially cancel signals otherwise radiated behind the antenna as a result of diffraction. H-shaped slots are described for sidewall use and side-to-side slots are described for endwall use. Slots may be dielectrically loaded by contiguous portions of a radome.
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申请公布号 |
US5872544(A) |
申请公布日期 |
1999.02.16 |
申请号 |
US19970794705 |
申请日期 |
1997.02.04 |
申请人 |
GEC-MARCONI HAZELTINE CORPORATION ELECTRONIC SYSTEMS DIVISION |
发明人 |
SCHAY, GARY A. |
分类号 |
H01Q1/24;H01Q13/10;H01Q19/10;H01Q21/10;H01Q21/12;H01Q21/29;(IPC1-7):H01Q21/24 |
主分类号 |
H01Q1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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