摘要
给出了一种宽带不等间距相控阵天线的设计方法,利用该方法实现4.5个倍频内对方向图栅瓣的抑制和±30°波束扫描.文中首先从理论上分析了不等间距阵列的宽带特性,然后对以微带Vivaldi天线为辐射单元的16单元不等间距阵进行了仿真设计,最后对不等间距阵列天线进行了加工实测,实测结果与仿真结果一致,验证了设计方法的正确性.
In order to achieve good performance of grating-lobe suppression and wide scan±30°angle in 4.5 octave band for phased array antennas,a design method of wide-band non-equidistant phased array antenna is proposed. Firstly the wide band performance of the non-equidistant array antenna is analyzed theoretically, then the non-equidistant array antenna with 16 microstrip Vivaldi antenna units is simulated,finally the non equidistant array antenna is processed and measured, and the measurement results are accord with the simulation ones and validats the design method.
出处
《电波科学学报》
EI
CSCD
北大核心
2013年第6期1127-1132,共6页
Chinese Journal of Radio Science
关键词
宽频带
不等间距
宽角扫描
相控阵天线
wide-band non-equidistant wide-angle scanning phased array antenna
