Design of a planar array transponder with broad responding beam

被引：9

作者：

Chen, HT

Chung, SJ

机构：

[1] Dept. of Communication Engineering, National Chiao Tung University

来源：

IEEE MICROWAVE AND GUIDED WAVE LETTERS | 1997年 / 7卷 / 09期

关键词：

broad responding beam; planar array transponder; transponder; Van Atta array design;

D O I：

10.1109/75.622547

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：

A new planar array transponder, including four active receiving-transmitting microstrip antenna pairs, were demonstrated by using the Van Atta array design. The fields retransmitted by all the antenna pairs spatially combine in the wave-incidence direction while interfere with each other in other directions, so that the transponder responds the signal only to the on-line interrogator. The measured 10 dB (5 dB) responding beamwidth for the array transponder is 106 degrees(80 degrees), which is approximately the same as that of a transponder with a single antenna pair. Also, the measured radar cross section (RCS) patterns for the transponder at the on state (with bias) and off state (without bias) were compared. More than 20-dB difference between the patterns of these two states has been observed.

引用

页码：297 / 299

页数：3

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