Regi M, Del Corpo A, De Lauretis M. The use of the empirical mode decomposition for the identification of mean field aligned reference frames. Ann. Geophys. [Internet]. 2017Jan.7 [cited 2024Apr.16];59(6):G0651. Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/7067