双层后空间结构的条形栅格阵列天线

2006 7th International Symposium on Antennas, Propagation & EM Theory Pub Date : 2006-10-01 DOI:10.1109/ISAPE.2006.353355

H. Nakano, H. Osada, J. Yamauchi

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引用次数: 15

摘要

用时域有限差分法对一种带状网格阵列天线进行了分析。栅极阵列与地平面之间的空间称为后空间，由介电层和空气层填充(两层后空间结构)。VSWR带宽约为13%，最大指向性约为18 dB。栅格阵列具有低侧瓣的窄波束。交叉极化分量很小(- 25db)。

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Strip-type Grid Array Antenna with a Two-Layer Rear-Space Structure

A strip-type grid array antenna is analyzed using the finite-difference time-domain method. The space between the grid array and the ground plane, designated as the rear space, is filled with a dielectric layer and an air layer (two-layer rear-space structure). A VSWR bandwidth of approximately 13% is obtained with a maximum directivity of approximately 18 dB. The grid array exhibits a narrow beam with low side lobes. The cross-polarization component is small (-25 dB), as desired.

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2006 7th International Symposium on Antennas, Propagation & EM Theory

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