Browsing by Author "Fiori, Sergio"
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Analysis of basin backscattering in the Levantine Sea
Preston, John R.; Akal, Tuncay; Fiori, Sergio (NATO. SACLANTCEN, 1989/12)Research has been conducted in the Levantine Sea basin to measure low-frequency basin reverberation and relate the measurements to backscattering strength. The receivers were a towed horizontal array and a suspended vertical ... -
Instrumentation for crosshole geoacoustic measurements in unconsolidated sediments
Muir, Tom G.; Akal, Tuncay; Michelozzi, Enzo; Gualdesi, Lavinio; Miaschi, Bruno; Guidi, Guido; Fiori, Sergio (NATO. SACLANTCEN, 1994/06)Research tools are described that enable direct measurements of sediment properties as a function of depth in unconsolidat,ed sediments. The first tool is a hole making device that sits on the sea floor and utilizes pneumatic ... -
Medium-induced low-frequency fluctuations in acoustic transmission loss: examples from measurements in selected geographical areas
Ali, Hassan B.; Ferla, Carlo M.; Fiori, Sergio (NATO. SACLANTCEN, 1986/06)The ocean is a complex, highly variable acoustic nedium. A propagating acoustic signal is affected by a host of phenomena, including the sea-surf ace and bottom, volume inhomogenei ties, internal waves and tides, and ...