Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Watanabe Shuji and Takano Hiroshi and Hiraki Eiji and Nakaoka Mutsuo,PWM Power Amplifier with Digital Optimal Preview Current Control Scheme for Gradient Magnetic Field in MRI Systems,IEEJ Transactions on Industry Applications,09136339,The Institute of Electrical Engineers of Japan,2001,121,7,756-763,https://cir.nii.ac.jp/crid/1390001204658876544,https://doi.org/10.1541/ieejias.121.756