隙缝馈电平面阵天线
SLOT FEEDING PLANAR ARRAY ANTENNA
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摘要: 正 (一)基本要求 合成孔径雷达原理样机需要一部工作在X波段,发射水平极化波的扇形波束天线。天线的波束宽度沿飞机航向(E平面)约1,垂直于航向(H平面)为9,增益为30 dB;或在H平面上于11的波束宽度内,将波束赋形为CSC2()为波束宽度),增益为27dB。天线的结构要适于作侧视安装。 (二)方案选择 满足以上条件的天线方案有三类:(1)以线阵作照射器,柱形抛物面作反射器的复合天线;(2)以线阵作辐射器,外加有一定张角的两块板构成线阵喇叭形天线;(3)平面
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Abstract: The article describes a planar array with a slot feeding structure in x-band. The design of the slot linear array with rectangular waveguide and the radiation patterns (E plane and H plane) of the slot feeding planar array are discussed. It is not difficult to design an aperture distribution of the linear array, in order to obtain a specified vertical pattern by means of various slant angles of the slot and phase shifts of the phaser. The calculated and experimental results are also shown. -
S. Silver, Microwave Antenna Theory and Design, Chapter 9(1948).[2]А.З.Аизенберг著,毕德显等译,超高频天线,人民邮电出版社,1961年.[3]钟顺时,西北电讯工程学院学报,1976年,第1期,第165页.[4]Н.Т.Бова 著,南京大学物理系无线电教研组译,超高频天线,高等教育出版社,1959年.[5]J. L. Hilburn, IEEE Trans. on AP, AP-20 (1972), 506.[6]G. W. Roffoul, IEEE Trans. on AP, AP-22 (1974), 355.[7]冯孔豫,电子学通讯,2(1980), 95. -
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