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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Through Wall Gap Detection Using Monostatic Radar
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Through Wall Gap Detection Using Monostatic Radar

机译：使用单基地雷达的全壁隙检测

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摘要

In this paper, a new experimental system for through wall gap detection and concealed vacancies behind wall is introduced. The ultra wide band (UWB) system is based on the principles of time domain reflectometry (TDR) and ground-penetrating radar (GPR) for through wall imaging to detect hidden gaps and/or hiding persons behind walls. The system uses a very short pulse generated by the vector network analyzer (VNA) to illuminate the wall under investigation through an UWB antenna probe. The detection process is achieved using time domain measurements of the probe reflection coefficient S_(11), Some numerical analyses have been carried out for verifying the principle of operation. The experimental results show a great ability not only for the gap detection between walls but also for estimation of the gap width with a very good accuracy (6.25 % in the worst case) for different types of walls.
机译：本文介绍了一种用于检测墙体间隙和隐藏墙后空位的新实验系统。超宽带（UWB）系统基于时域反射仪（TDR）和探地雷达（GPR）的原理，用于通过墙成像来检测隐藏的缝隙和/或将人隐藏在墙后。该系统使用矢量网络分析仪（VNA）生成的非常短的脉冲，通过UWB天线探头照亮正在研究的墙壁。利用探头反射系数S_（11）的时域测量来实现检测过程。已经进行了一些数值分析，以验证操作原理。实验结果表明，不仅对于墙壁之间的间隙检测，而且对于不同类型的墙壁，其以非常好的精度（最坏情况下为6.25％）估算间隙宽度的能力也很高。

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