A low power and high resolution data logger for submarine seismic monitoring
- Autori: Fertitta, G; Di Stefano, A; Fiscelli, G; Giaconia, GC
- Anno di pubblicazione: 2010
- Tipologia: Articolo in rivista (Articolo in rivista)
- Parole Chiave: Embedded system; High resolution data acquisition; Low power; Seismic recording; Digital filtering
- OA Link: http://hdl.handle.net/10447/50225
Abstract
The design, implementation and characterization of a digital waveform recorder for ocean bottom seismic monitoring is here reported. The system is capable of synchronously acquiring, and logging on a flash memory bank, four high resolution signals. Thanks to a very careful design of the system architecture and by using robust digital signal processing techniques, two main conflicting issues have been addressed: a high dynamic range, better than 120 dB, usually obtained with high energy demanding converters, and a power consumption as low as 250 mW, hence allowing to easily increase the time of a continuous submarine monitoring session up to 3 months.