Characterisation of the shallow water acoustic communications channel involves the analysis of sounding data. Chirp signals have many properties which make them an attractive choice for channel sounding. They are easily generated and channel responses can be processed in the time or frequency domain for channel estimation. In the rapidly varying shallow water environment time domain techniques ...

A Data-Interpolating Variational Analysis in n-dimensions was used to describe a potential temperature distribution the bottom layer of fracture zones Mid-Atlantic Ridge at 7–8°N. This analysis based on new digital terrain model obtained by supplementing STRM15+ bathymetry data with multibeam echo sounding from 33rd cruise research vessel
 Akademik Nikolaj Strakhov (2016) and oceanological...

Acoustical analysis has revealed a peculiar pattern of energy distribution in human screams; behavioral and neuroimaging data suggest that this pattern is associated with rapid and enhanced processing of sound cues signalling fear.