TY - GEN AU - Li,Yong AU - Jing,Haoqing AU - Zainal Abidin,Ilham Mukriz AU - Yan,Bei TI - A Gradient-Field Pulsed Eddy Current Probe for Evaluation of Hidden Material Degradation in Conductive Structures Based on Lift-Off Invariance SN - 1424-8220 PY - 2018///0223 N1 - Publication Type: Journal Article UR - https://doi.org/10.3390/s17050943 ER -