Experts have devised a method to track the movement behind the wall or in total darkness. This application is very useful when the hostage crisis to take care to seniors. Can be used for military purposes and health.A method called Radio Tomography Imaging (RTI), using a wireless radio transceiver in the target zone. By analyzing the variation of signal strength, a computer program to produce black and white picture of the movement of objects. This approach is similar to medical tomography computing, where a program to analyze a series of X-ray scanner to produce images of internal organs. If later on the more advanced development, is not impossible that this system allows you to see through walls though.
One expert in this field and Neal Patwari Joey Wilson of the University of Utah, examine the RTI with the transceiver 24 to 34 tubes. Transceiver that is used similar to those used in ZigBee networks, linking together the home thermostat and automatic device house or other plants. This system successfully tested inside and outside the room and through walls.
This is good news for the lovers of specialized technology development experts in science, "Radio tomography of interest can be used for law enforcement and emergency handling so they will know where to focus its attention," wrote Patwari and Wilson. This system will continue to be developed, and is expected to be perfect results in early 2011.
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