Generalized Array Factor Approach to the Assessment of Discrete Tapered Nonuniform Leaky-Wave Antenna

被引：13

作者：

Rance, Olivier ^{[1
]}

Lemaitre-Auger, Pierre ^{[1
]}

Siragusa, Romain ^{[1
]}

Perret, Etienne ^{[1
,2
]}

机构：

[1] Grenoble Inst Technol, LCIS, F-26902 Valence, France

[2] Inst Univ France, F-75000 Paris, France

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 09期

关键词：

Array factor (AF); discrete antenna; Holey antenna; Honey antenna; nonuniform leaky-wave antenna; sidelobe level minimization; MILLIMETER WAVEBAND; DESIGN;

D O I：

10.1109/TAP.2015.2444440

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：

A generalization of the array factor approach of a nonuniform leaky-wave antenna (LWA) is proposed for the modeling of discrete tapered LWAs. The demonstration is based on the Fourier transform of the illumination amplitude of an LWA and is thus quite general. This analysis approach can be helpful for design. When it is used in combination with classical taperization techniques, it provides an easy and powerful conception tool. The validity of the method is demonstrated with the Holey and the Honey LWAs. Taylor and cosine distributions were simulated and sidelobe level reduction up to -40 dB were obtained. A Holey antenna designed to work at 1.7 GHz with a cosine distribution was realized. Its radiation pattern was measured and it shows an acceptable agreement with theory and numerical simulations.

引用

页码：3868 / 3877

页数：10

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