Water detection in thermal insulating materials by high resolution imaging with holographic radar

被引：8
|
作者：
Capineri, L. [1 ]
Falorni, P. [1 ]
Becthel, T. [2 ]
Ivashov, S. [3 ]
Razevig, V. [3 ]
Zhuravlev, A. [3 ]
机构：
[1] Univ Florence, Dipartimento Ingn Informaz, Via S Marta 3, I-50139 Florence, Italy
[2] Franklin & Marshall Coll Lancaster, Dept Earth & Environm, Lancaster, PA USA
[3] Bauman Moscow State Tech Univ, Remote Sensing Lab, Moscow, Russia
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2017年 / 28卷 / 01期
基金：
俄罗斯科学基金会;
关键词：
holographic radar; water patches; thermal insulating material; dielectric material; robotic scanner; MICROWAVE;
D O I：
10.1088/1361-6501/28/1/014008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present research is aimed at the application of high resolution holographic images for the detection and characterization of low water content (0.2-1 g) water patches in insulating materials. The images acquired with manual scanning with high frequency (7 GHz) holographic radar with I/Q outputs are compared with a high speed electromechanical scanner with 4 GHz holographic radar. Small patches of the order of 22 mm x 22 mm buried at 18 mm into insulating materials with a low dielectric constant, have been accurately reconstructed with the high frequency holographic radar but they can also be detected with the lower frequency holographic radar at even greater depths.
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页数：6
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