Power Handling and Spectral Density Considerations in the Design of Reflectarray Antennas for Wireless High-Power Transfer Applications

被引：0
作者：
Roper, Joshua S. [1 ]
Peterson, Andrew F. [2 ]
机构：
[1] Viasat Inc, Viasat Antenna Syst Technol Grp, Atlanta, GA 30096 USA
[2] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
来源：
IEEE JOURNAL OF RADIO FREQUENCY IDENTIFICATION | 2022年 / 6卷
关键词：
Antennas; Reflector antennas; Satellite antennas; Pattern analysis; Structural beams; Spatial resolution; Gain; Effective isotropic radiated power spectral density; wireless power transfer; reflectarray; far fields; planar near field; plane wave spectrum; hybrid methods; power handling analysis; OPTIMIZATION; RADIATION; ELEMENTS;
D O I：
10.1109/JRFID.2022.3187653
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：
Power handling and power spectral density (EIRP-SD) considerations in the design of reflectarray antennas are outlined for wireless high power transfer applications. The impact of fast Fourier Transform (FFT) based pattern analysis methods is considered, including the accuracy of EIRP-SD calculations for regulatory considerations, as well as how to compute those limits. A hybrid pattern analysis appropriate for the practical design of high EIRP-SD reflectarray systems is proposed. To illustrate these concepts, a reflectarray is designed and modeled with this method and the results exhibit agreement with predicted patterns from a full-wave simulation while showing dramatic simulation time improvement. Finally, the power handling, EIRP-SD and gain characteristics are related to each other.
引用
收藏
页码：505 / 514
页数：10
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