1. Radiation Instrumentation Research Division, Korea Atomic Energy Research Institute, Daejeon, Korea
2. School of Electronics Engineering, College of IT Engineering, Kyungpook National University, Daegu, Korea
3. Core Technology Lab., Corporate R&D Center, Samsung SDI Co. Ltd., Cheonan, Chungcheongnam-Do, Korea
4. Department of Electrical and Computer EngineeringNew York Institute of Technology, Old Westbury, NY, USA