Subsurface Near-Field Microwave Holography

被引：12
|
作者：
Gaikovich, Konstantin P. [1 ,2 ]
Gaikovich, Petr K. [1 ]
Maksimovitch, Yelena S. [3 ]
Badeev, Vitaly A. [3 ]
机构：
[1] RAS, Inst Phys Microstruct, GSP 105, Nizhnii Novgorod, Russia
[2] Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod 603950, Russia
[3] Inst Appl Phys NAS Belarus, Minsk 220072, BELARUS
来源：
IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING | 2016年 / 9卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
Holography; inverse problems; microwave imaging; nondestructive testing; reconstruction algorithms; tomography;
D O I：
10.1109/JSTARS.2015.2443035
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 method of near-field electromagnetic holography of subsurface dielectric targets is developed and studied in experiments with the multifrequency microwave system. It is based on the solution of the near-field inverse scattering problem obtained by data of multifrequency measurements of the two-dimensional (2-D) scattered field distribution with the source-receiver system that is located above the surface of a medium with buried dielectric targets. The solution, obtained initially in the lateral k-space representation, can be used to derive tomograms of distributed inhomogeneities or to determine the geometric shape of solid targets with sharp boundaries for further visualization as holography images with a subwavelength resolution. Such a holography method is studied in detail, including the formation of scattered field and signal for various samples in various media, achievable resolution, and effects of multiple scattering.
引用
收藏
页码：74 / 82
页数：9
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