1. Air Force Research Laboratory, Sensors Directorate, Wright-Patterson AFB, Dayton, Ohio 45433, United States
2. Azimuth Corporation, Dayton, Ohio 45431, United States
3. KBRwyle Laboratories, Inc., Dayton, Ohio 45431, United States
4. University of Dayton Research Institute, Dayton, Ohio 45469, United States
5. Department of Electrical and Computer Engineering, University of Alabama in Huntsville, Huntsville, Alabama 35899, United States