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

被引：38
|
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
收藏
页码：187 / 191
页数：5
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