8 May 2006 High resolution imaging of objects located within a wall
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Researchers at Georgia Tech Research Institute have developed a high resolution imaging radar technique that allows large sections of a test wall to be scanned in X and Y dimensions. The resulting images that can be obtained provide information on what is inside the wall, if anything. The scanning homodyne radar operates at a frequency of 24.1 GHz at with an output power level of approximately 10 milliwatts. An imaging technique that has been developed is currently being used to study the detection of toxic mold on the back surface of wallboard using radar as a sensor. The moisture that is associated with the mold can easily be detected. In addition to mold, the technique will image objects as small as a 4 millimeter sphere on the front or rear of the wallboard and will penetrate both sides of a wall made of studs and wallboard. Signal processing is performed on the resulting data to further sharpen the image. Photos of the scanner and images produced by the scanner are presented. A discussion of the signal processing and technical challenges are also discussed.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eugene F. Greneker, Eugene F. Greneker, Gregory A. Showman, Gregory A. Showman, John M. Trostel, John M. Trostel, Vincent Sylvester, Vincent Sylvester, } "High resolution imaging of objects located within a wall", Proc. SPIE 6210, Radar Sensor Technology X, 621005 (8 May 2006); doi: 10.1117/12.661402; https://doi.org/10.1117/12.661402


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