Millimeter-wave imaging for concealed weapon detection

被引：8
|
作者：
McMakin, DL [1 ]
Sheen, DM [1 ]
Hall, TE [1 ]
机构：
[1] Pacific NW Natl Lab, Richland, WA 99352 USA
来源：
NONDESTRUCTIVE DETECTION AND MEASUREMENT FOR HOMELAND SECURITY | 2003年 / 5048卷
关键词：
Fourier optics; microwave holography; millimeter-wave imaging; 3-D imaging; weapons detection;
D O I：
10.1117/12.484704
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Full body, real-time, millimeter-wave imaging systems have been developed at the Pacific Northwest National Laboratory for the detection of body-worn, concealed weapons and contraband at security checkpoints. These security systems employ methods derived from microwave holography techniques that utilize phase and amplitude information recorded over a two-dimensional aperture to reconstruct a focused image of the target. Millimeter-wave imaging is well suited for the detection of concealed weapons or other contraband carried on personnel, since millimeter waves are non-ionizing, readily penetrate common clothing material, and are reflected from the human body and any concealed items. In this paper, wide-bandwidth, three-dimensional, holographic microwave imaging techniques and a full-body, planar, millimeter-wave imaging system are described.
引用
收藏
页码：52 / 62
页数：11
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