Read between the lines
via ABC News
via ABC News
"It can be powerful during military operations especially in urban combat situations," said Charvat.
The device works by emitting frequency waves at a low-power microwave signal. That signal will hit in the direction of the target, in this case a wall. Each time a wave hits the wall only some of it is absorbed inside of the wall, a tiny portion actually gets through. Once the waves go through the wall, they propagate whatever is behind the wall and pass back through that wall and into the radar's receivers.
Only moving images can be detected, so an image such as a couch or nonmoving appliance would not show up on the monitor. Images appear as red blobs moving about the screen and it looks as the image would be away and across from the actual radar. The researchers are currently working on a detection algorithm that would convert these red blobs into a cleaner image.
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