%0 Journal Article %T Eddy Current Digital Proximity Sensing for Vibration Detection %A Frank Fang %A Guoxing Yang %J Journal of Instrumentation Technology %D 2019 %R 10.12691/jit-4-1-1 %X This document provides fundamental eddy current digital proximity sensing principle and brief comparison between digital and analog approaches. Advantages and challenges of digital proximity system are further elaborated. Then the application of digital proximity sensing in vibration monitoring is explained. At the end authors illustrate the trend of digital proximity sensing technologies %U http://www.sciepub.com/JIT/abstract/7381