Kuen-Yu TsaiSheng-Yung ChenKUEN-YU TSAI2018-09-102018-09-102014-06http://scholars.lib.ntu.edu.tw/handle/123456789/388672Apparatus and Method for Estimating Change of Status of Particle Beams (粒子束狀態改變之估測裝置及其方法)patent