Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/1296
AuthorsRomeo, G. 
TitleDigitization of optical lever instruments
Issue DateJun-2000
Series/Report no.43/3
URIhttp://hdl.handle.net/2122/1296
Keywordsoptical level
digitalization
DSP
CCD linear sensor
Wood-Anderson
grotta gigante pendulums
Subject Classification04. Solid Earth::04.02. Exploration geophysics::04.02.07. Instruments and techniques 
AbstractSome classical old-fashioned instruments (such as the Wood-Anderson seismometers), as well as some modern instruments (like the all-quartz made Verbaandert-Melchior tiltmeters), conventionally require an impractical recording system obtained by a photographic drum recorder in a darkroom. Simple electronic equipment (made by readily available, low cost electronics) may help in using such kind of instruments allowing a useful digital recording. This will reduce the time-hour in data acquisition and storage (and the manual error), and will increase the accuracy. The theory of operations and some results obtained using the described equipment are shown.
Appears in Collections:Manuscripts
Annals of Geophysics

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