Physics
Scientific paper
Jul 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pepi...84..299f&link_type=abstract
Physics of the Earth and Planetary Interiors, Volume 84, Issue 1-4, p. 299-304.
Physics
Scientific paper
The cross-spectrum method has been applied to the random binary calibration of the STS-1 seismometers (VBB option) installed at the Incorporated Research Institutions for Seismology/Internal Deployment of Accelerometers (IRIS/IDA) stations. It proves to be highly efficient at reducing the effect upon the derived response of the ground noise present in the output signal. The residual noise is smaller than 0.5% in amplitude and 0.5° in phase, for frequencies ranging from 0.5 to 100 mHz, provided that data series as long as 12 h are available. Except for a few cases, we observe that the actual transfer function remains within 2% in amplitude and 1.2° in phase relative to the generally accepted model, also referred to as the `nominal' transfer function. The deviations are attributed essentially to inaccurate values of the low-frequency corner of the response. We also have evidence of other small deviations owing to the setting of the mechanical free period of the seismometer upon installation in the field, and to the approximations introduced in the nominal model. We propose a corrected model which better describes the behavior of the instrument in the low-frequency range. The results presented here involve a relative calibration of the sensors; the determination of the absolute value of the sensitivity factor must be obtained from a different procedure.
No associations
LandOfFree
Calibration of the STS-1 seismometer; preliminary results does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Calibration of the STS-1 seismometer; preliminary results, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calibration of the STS-1 seismometer; preliminary results will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-823579