X-BAND CIRCULARLY POLARIZED RECTENNAS FOR MICROWAVE POWER TRANSMISSION APPLICATIONS

被引：6
|
作者：
Yang Xuexia Xu Junshu Xu Deming Xu Changlong (School of Communication and Information Engineering
机构：
来源：
JournalofElectronics(China) | 2008年 / 03期
关键词：
Rectenna; Circular polarization; Rectifying efficiency; Microwave Power Transmission (MPT);
D O I：
暂无
中图分类号：
TM72 [输配电技术];
学科分类号：
摘要：
Circularly polarized rectennas operating at X-band are studied in this paper. The quasi-square patches fed by aperture coupling are used as the circularly polarized receiving antennas, which are easily matched and integrated with the circuits of rectennas. The double-layer structure not only minimizes the size of the rectennas but also decreases the effects of the circuits on the an- tenna. The receiving elements have broader bandwidth and higher gain than the single-layer patches. Two rectennas operating at 10GHz are designed, fabricated and measured. The voltage of 3.86V on a load of 200? is measured and a high RF-DC conversion efficiency of 75% is obtained at 9.98GHz. It is convenient for this kind of rectennas to form large arrays for high power applications.
引用
收藏
页码：389 / 393
页数：5
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