Multireflector Antennas - Cascaded Structures with Frequency Selective Surfaces

被引：0
|
作者：
Hertl, Ivo [1 ]
Raida, Zbynek [1 ]
Novacek, Zdenek [1 ]
机构：
[1] Brno Univ Technol, Dept Radio Elect, Brno 61200, Czech Republic
来源：
RADIOENGINEERING | 2006年 / 15卷 / 04期
关键词：
Multiband antennas; directional antennas; frequency selective surfaces; cascaded structures;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The problem of increasing the gain of directional multiband antennas is solved in the paper. A single-fed multiband (wideband) planar dipole is combined with cascaded (sandwiched) reflectors made of frequency selective surfaces. Each of those reflectors is placed in a quarter-wavelength distance from the dipole at the frequency of operation. The impedance matching is particularly achieved by active element properties, and impedance symmetrization. Further transformation is made by a planar circuit, placed on the active element plane. The antenna gain is set by the reflector elements amount (reflector plane dimensions). The antenna structure enables its setting into arrays with in-phase feeding.
引用
收藏
页码：80 / 83
页数：4
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