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http://hdl.handle.net/2122/7084| Authors: | Romeo, G. | Title: | Whale watching effects of strong signals on Lippmann style seismometer | Journal: | Journal of Seismology | Series/Report no.: | /16(2012) | Publisher: | Springer Science+Business Media B.V. | Issue Date: | 2012 | DOI: | 10.1007/s10950-011-9246-7 | Keywords: | Feedback seismometer. Lippmann method Single-coil feedback PSPICE simulation Seismometer saturation |
Subject Classification: | 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques | Abstract: | In 1982 Erich Lippman patented a brilliant method to extend the frequency response of seismometers with an electromagnetic transducer. Adopted by Lennartz Electronic this single-coil velocity-feedback strategy appears in a large part of the German company production. In case of strong signals from near events, seismometers using the Lippman method may produce recordings with a characteristic ‘whale shape’. The article examines the PSPICE (Personal Simulation Program with Integrated Circuit Emphasis) model of an s13 seismometer treated with the Lippman method, as well as a prototype built in INGV, and shows the effect of strong signals on them. | Description: | It’s a technical article that examines in deep a seismometer behavior even in case of strong excitation. The shown simplified model may be useful in seismometer understanding and design. |
| Appears in Collections: | Article published / in press |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| whale_earthprints.pdf | main article | 2.51 MB | Adobe PDF | View/Open |
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