1. a Department of Electrical Engineering, King Saud University, P. O. Box 800, Riyadh 11421, Kingdom of Saudi Arabia Abdel-Fattah Sheta
2. b Department of Electrical Engineering, King Saud University, P. O. Box 800, Riyadh 11421, Kingdom of Saudi Arabia Abdel-Fattah Sheta;, Email: asheta@ksu.edu.sa
3. c Department of Electrical Engineering, King Saud University, P. O. Box 800, Riyadh 11421, Kingdom of Saudi Arabia Abdel-Fattah Sheta