Affiliation: | aDepartment of Electronic Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 106, Taiwan;bDepartment of Chemical Engineering, National Taiwan University of Science and Technology, 43 Keelung Road, Section 4, Taipei 106, Taiwan;cDepartment of Electrical Engineering, National Taiwan Ocean University, Keelung 202, Taiwan |