Tuesday, June 28, 2011

Selex Portable Radar Sees Through Walls

During the Le Bourget exhibition which is taking place in Paris from 20th to 26th June, Selex Sistemi Integrati, a Finmeccanica company, presented for the very first time the TWR – S (Through the Wall) radar, an innovative hand-portable radar system able to see through the walls.

The new system, suitable for civil protection and military armed forces during on-fields emergency operations, provides immediate detection of humans behind concrete walls and their continuous tracking, as well as building layout and life signs detection.
Based on the new “Through-the-wall radar” technology, it allows to see through obstacles such as walls, doors and other visually opaque materials, covering a broad range of applications in both civilian and military contexts.

The radar can in fact be used in rescue missions to detect and locate survivors trapped inside a burning building or in areas which have been plagued by natural disasters like earthquakes or avalanches. It can also be employed in security missions to get an accurate overview of the inside of a building, for instance in the case of a hostage crisis. People and objects within the building can be detected and located.

In all these scenarios that demand entering unsafe buildings, interventions can represent a danger for firefighters, emergency relief workers and soldiers. The through-the-wall technology can improve situational awareness and reduce risks, before undertaking an intervention inside a structure.

The new system has been realized in collaboration with IDS Ingegneria Dei Sistemi SpA. Based on a consolidated expertise on inverse electromagnetic scattering procedures, the solution is able to estimate the thickness and the electromagnetic features of a wall, evaluate the internal layout of buildings to make the operator aware of its geometrical characteristics, detect vital signs like heart beats through the walls and operate an advanced tracking of human being movements inside the considered buildings.

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