Timefrequency analysis of the Earths natural pulse electromagnetic field signal before and after the Lushan MS 7.0 earthquake based on NSTFTWVD transform.
郝国成，陈忠昌，赵娟
Earth Science Frontiers . 2016, (1): 275 -286 .  DOI: 10.13745/j.esf.2016.01.025