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Hilbert Spectroscopy uses Hilbert transforms to analyze broad spectrum signals from gigahertz to terahertz frequency radio. One suggested use is to quickly analyze liquids inside airport passenger luggage.
- Lyatti, M; Y Divin, U Poppe and K Urban (20 October 2009). "Liquid identification by Hilbert spectroscopy" (PDF). p. 8. Retrieved 12 March 2010.
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