A WIDEBAND SLOTTED WAVEGUIDE ANTENNA ARRAY FOR SAR SYSTEMS

被引：37
|
作者：
Sekretarov, S. [1 ]
Vavriv, D. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Radio Astron, 4 Chervonopraporna Str, UA-61002 Kharkov, Ukraine
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH M | 2010年 / 11卷
关键词：
D O I：
10.2528/PIERM10010606
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：
Possibilities for the extension of the operational frequency band of slotted waveguide antennas are studied. It is shown that by using both conventional longitudinal slots and subarraying techniques it is possible to reach the relative bandwidth of about 15%. This result is illustrated by the development of a novel slotted waveguide antenna for high-resolution SAR applications. The antenna operates in the X-band and forms the beam of 4 degrees x 6 degrees with the gain of about 30dB.
引用
收藏
页码：165 / 176
页数：12
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