COMPUTER-AIDED-DESIGN OF BEAM FORMING NETWORKS FOR MODERN SATELLITE ANTENNAS

被引:56
作者
ALESSANDRI, F
MONGIARDO, M
SORRENTINO, R
机构
[1] UNIV ROMA TOR VERGATA,DIPARTIMENTO INGN ELETTR,I-00173 ROME,ITALY
[2] UNIV PERUGIA,IST ELETTR,I-06100 PERUGIA,ITALY
关键词
D O I
10.1109/22.141343
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
Multicontoured and reconfigurable beam spacecraft antennas rely on sophisticated beam forming networks (BFN). Accurate and efficient CAD tools are required to meet the stringent requirements on the power division, while avoiding any tuning or trimming of the BFN. This paper presents advanced field theoretical techniques for the analysis and optimization of microwave beam forming networks realized in both waveguide and square coaxial cable technologies. Such advances consist in new segmentation techniques of the microwave components associated with efficient mode-matching formulations for the modeling of isolated as well as coupled discontinuities. The achieved numerical efficiency allows sophisticated synthesis procedures, based on repeated full-wave analysis in wide frequency bands, to be performed on small machines such as a 386 PC. The design tools developed have been widely validated through a comprehensive test campaign.
引用
收藏
页码:1117 / 1127
页数:11
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