Extraction of Human Micro-Doppler Signature in an Urban Environment Using a "Sensing-Behind-the-Corner" Radar

被引：42

作者：

Gustafsson, Magnus ^{[1
]}

Andersson, Asa ^{[1
]}

Johansson, Tommy ^{[1
]}

Nilsson, Stefan ^{[1
]}

Sume, Ain ^{[1
]}

Orbom, Anders ^{[1
]}

机构：

[1] Swedish Def Res Agcy, Div Sensor & EW Syst, S-58111 Linkoping, Sweden

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2016年 / 13卷 / 02期

关键词：

Around-corner radar; behind-corner radar; Doppler radar; micro-Doppler; multipath; nonline of sight (NLOS); short-time Fourier transform (STFT); urban surveillance;

D O I：

10.1109/LGRS.2015.2504623

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Using an experimental coherent high-resolution X-band radar, we show that micro-Doppler signatures from one or more walking persons can be retrieved off the radar line of sight in a realistic urban environment. The off-sightline objects are illuminated by the radar wave multipath wall reflections. Velocity-time diagrams are created for specific walking targets using the short-time Fourier transform. Two scenarios are studied, with one and two persons, respectively, walking along a closed path.

引用

页码：187 / 191

页数：5

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