Abstract
In this article, we discuss techniques for sense through wall human detection for different types of walls. We have focused on detection of stationary human target behind wall based on breathing movements. In detecting the breathing motion, a Doppler based method is used. Also a new approach based on short time Fourier transform is discussed and an already proposed clutter reduction technique based on singular value decomposition is applied to different measurements.
Highlights
Detection of human target through wall is of interest for many applications
High range resolution is a result of high bandwidth of Ultra WideBand (UWB) radar and it helps in better separation of multiple targets
Data were collected for different types of walls and doors
Summary
Military industry could use it for hostage rescue situations In such scenarios, detection and location of humans inside a room is very critical as unknown building layout together with presence of armed persons can be dangerous for the rescuers. UWB radar uses a large spectrum in combination with lower frequencies which makes it suitable for applications such as ground penetrating radar, foliage penetrating radar [2], and short-range radar to detect hidden objects behind walls. This penetration property is of great importance for indoor location systems. The estimation carried out have shown that for conducting of rescue activities in ruins, typical concrete buildings and facilities the most optimal is the frequency range 0.8 to 2 GHz
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