Energy Storage and Radiation Q of Infinite Planar Dipole Phased Arrays

被引：19

作者：

Kwon, Do-Hoon ^{[1
]}

Pozar, David M. ^{[1
]}

机构：

[1] Univ Massachusetts, Dept Elect & Comp Engn, Amherst, MA 01003 USA

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 01期

关键词：

Antenna arrays; phased arrays; quality factor; GROUND PLANE; LOWER BOUNDS; ANTENNAS; BANDWIDTH; LIMITS;

D O I：

10.1109/TAP.2013.2287515

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 exact stored energy, radiated power, and radiation quality factor of infinite planar phased arrays of dipole elements are presented for configurations in free space, over a ground plane, and on a grounded dielectric substrate. Radiated power and stored electric and magnetic energies are evaluated in terms of the two-dimensional spectral domain Floquet mode series representation of the element current. Characteristics of the radiated power and stored energies are clearly identified from propagating and evanescent spectra. In the presence of a ground plane, the dominant (0, 0) Floquet mode contributes to the stored energy, but not in the free-space case. Standard array configurations are analyzed, and the Q results are compared with impedance-derived values available by independent calculation.

引用

页码：153 / 162

页数：10

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