一种新型超宽带渐变槽线天线设计

Abstract

Abstract:

A microstrip fed ultra-wideband tapered slot antenna is designed and fabricated. The wideband impedance matching is obtained by the use of a modified microstrip/slotline transition. The improvement of impedance characteristics at the lower band is achieved by introducing a novel flare curve as a radiation part. The measured results of the proposed antenna demonstrate that this directional antenna achieves a ratio bandwidth of 15.4∶1 for VSWR≤2 from 0.92 to 14.25GHz. The front-to-back ratio and cross polarization ratio of its radiation patterns over the operating band are greater then 18 dB and less than -18dB, respectively.

Key words: ultra-wideband, tapered slot antenna, microstrip-slot transition

CLC Number:

TN823.24

SONG Yue;JIAO Yong-chang;ZHANG Fu-shun;WANG Nai-biao. Design of a novel ultra-wideband tapered slot antenna[J].J4, 2009, 36(6): 1034-1038.

References

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Design of a novel ultra-wideband tapered slot antenna

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