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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Portable Through-Wall Microwave Imaging System
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A Portable Through-Wall Microwave Imaging System

机译：便携式穿墙微波成像系统

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摘要

A microwave imaging system requires the design and implementation of an imaging algorithm, a sufficiently sensitive/accurate vector network analyzer, and antennas. This work presents a simple imaging algorithm, design and implementation of a low-cost VNA and antennas that are able to operate at 4 - 6 GHz. The commercial VNAs are of general purpose and are too expensive for microwave imaging applications. The design trade-offs applied to VNA are presented and implemented circuits are demonstrated. Using the presented VNA, a hand-held imaging system is implemented that extracts scattering parameters to create the target image. S-parameters obtained from the pre-selected filters with the designed VNA are provided to demonstrate the quality of the design. Target images are created for a couple of commonly used walls to demonstrate the overall system performance.
机译：微波成像系统需要设计和实现成像算法，足够灵敏/准确的矢量网络分析仪和天线。这项工作提出了一种简单的成像算法，低成本VNA和能够在4-6 GHz下运行的天线的设计和实现。商用VNA具有通用性，对于微波成像应用而言过于昂贵。提出了应用于VNA的设计折衷方案，并演示了实现的电路。使用提出的VNA，可实现一个手持成像系统，该系统提取散射参数以创建目标图像。从具有设计的VNA的预选滤波器获得的S参数用于证明设计的质量。将为几个常用墙创建目标图像，以演示整体系统性能。

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