Congcong LiuJianguo CuiNan Li 0015Feng DuJunxia ChenCaiyun ShiYe Li 0011Dong Liang 0001Haifeng Wang 0003Preliminary Study of Gradient Coils with Variable Gradient Value and Open-Drive Coil in Magnetic Particle Imaging.958-9632019RCARhttps://doi.org/10.1109/RCAR47638.2019.9044152conf/rcar/2019db/conf/rcar/rcar2019.html#LiuCLDCSLLW19