Millimeter-wave weapons detection system

D. Novak, R. Waterhouse, A. Farnham
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引用次数: 19

Abstract

We are proposing a new electromagnetic (EM) solution for concealed weapons detection at a distance. Our proposed approach exploits the fact that the weapons of interest for detection, whether they are a hand gun, knife, box cutter, etc, each have a unique set of EM characteristics. The particular novelty of our technical solution for concealed weapons detection at a distance lies in the use of millimeter-wave (mm-wave) signals over a wide frequency band (26-40 GHz or Ka-band) to excite natural resonances in the weapon and create a unique spectral signature that can be used to characterize the object. By using such excitation signals in the mm-wave frequency band, benefits such as increased resolution and reduced component size can be realized. In addition, the use of a wideband mm-wave excitation signal provides an enhanced EM signature for the target that exhibits more features available for classifying the object
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毫米波武器探测系统
我们提出了一种新的远距离隐蔽武器探测的电磁(EM)解决方案。我们提出的方法利用了这样一个事实,即检测感兴趣的武器,无论是手枪、刀、美工刀等,每个武器都有一组独特的EM特征。我们在远距离隐蔽武器探测方面的技术解决方案的特别新颖之处在于使用毫米波(mm-wave)信号在宽频带(26-40 GHz或ka波段)上激发武器中的自然共振,并创建一个独特的光谱特征,可用于表征物体。通过在毫米波频段使用这种激励信号,可以实现提高分辨率和减小元件尺寸等优点。此外,宽带毫米波激励信号的使用为目标提供了增强的EM特征,显示出更多可用于分类目标的特征
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