Hilbert Spectroscopy uses Hilbert transforms to analyze broad spectrum signals from gigahertz to terahertz frequency radio.[1] One suggested use is to quickly analyze liquids inside airport passenger luggage.[1]

References edit

  1. ^ a b Lyatti, M; Y Divin, U Poppe and K Urban (20 October 2009). "Liquid identification by Hilbert spectroscopy". Superconductor Science and Technology. 22 (11): 8. Bibcode:2009SuScT..22k4005L. doi:10.1088/0953-2048/22/11/114005. S2CID 120949866.