Signal radiation and power losses of time-modulated arrays

被引：179
作者：
Bregains, J. C. [1 ]
Fondevila-Gomez, J. [1 ]
Franceschetti, G. [2 ,3 ]
Ares, F. [4 ]
机构：
[1] Univ Santiago de Compostela, Dept Appl Phys, Santiago De Compostela 15782, Spain
[2] Univ Naples Federico II, Dept Elect Engn, Naples, Italy
[3] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[4] Univ Santiago de Compostela, Dept Appl Phys, Fac Phys, Santiago De Compostela 15782, Spain
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 06期
关键词：
antenna array patterns; patterns analysis; time-modulated linear arrays;
D O I：
10.1109/TAP.2008.923345
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：
We review and formalize the mathematical background of time-modulated linear arrays (TMLAs); then, a number of issues are examined. First, for signal transmission applications, restrictions to the frequencies involved in the procedure are highlighted. Second, the sideband power losses associated to the technique are thoroughly examined, introducing a coefficient appropriate to evaluate the efficiency of the procedure. Finally, a closed form expression for the total power associated to sideband radiation is obtained, very convenient for the implementation of real-time optimization of the system. Relevance of additional research on the subject is highlighted.
引用
收藏
页码：1799 / 1804
页数：6
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