ULTRAWIDEBAND LINEARLY POLARIZED ANTENNAS OF VIVALDI TYPE FOR GROUND PENETRATING RADAR

被引：0
|
作者：
Pochanin, G. P. [1 ]
Kaluzhny, N. M. [2 ]
Masalov, S. A. [1 ]
Pochanina, I. Ye. [1 ]
机构：
[1] Natl Acad Sci Ukraine IRE NASU, A Ya Usikova Inst Radiophys & Elect, 12 Acad Proskury St, UA-61085 Kharkov, Ukraine
[2] Kharkiv Natl Univ Radio Elect, UA-61166 Kharkov, Ukraine
来源：
2015 INTERNATIONAL CONFERENCE ON ANTENNA THEORY AND TECHNIQUES (ICATT) | 2015年
关键词：
ground penetrating radar (GPR); impulse signal; transceiving antenna; polarization; decoupling; crack detection;
D O I：
暂无
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：
The paper deals with the antenna system of Vivaldi type for a ground penetrating radar (GPR), which is optimized for using ultrawideband pulse signals of subnanosecond range. Results of development and experimental investigation of characteristics of the antenna and the entire GPR antenna system have experimentally demonstrated the possibility of detection and localization of subsurface cracks in asphalt. It is shown in experiments that the 0.5 cm width crack at the depth of 5 cm under the asphalt surface, creates a reflected signal with the amplitude of 0.12 V.
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页数：3
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