Case studies of seismic discrimination problems and regional discriminant transportability. Final report, 25 June 1993-24 June 1995
Technical Report
·
OSTI ID:236840
This report describes case studies of regional seismic discriminants, using the Intelligent Seismic Event Identification System (ISEIS), and addresses issues related to the transportability of regional discriminants. Some of the key results of this study include: (1) observations of large Lg waves from mine blasts; (2) Investigation of the P/S frequency-dependence discriminant; (3) The importance of signal decorrelation in the generation of spectral scalloping by ripple fired mine blasts; and (4) Path corrections for the Lg spectral ratio discriminant using a simple anelastic attenuation model. Also described in this report is a discrimination study of the January 5, 1995 Urals mine event.
- Research Organization:
- Ensco, Inc., Springfield, VA (United States). Signal Analysis Systems Div.
- OSTI ID:
- 236840
- Report Number(s):
- AD-A--302362/9/XAB; SAS-TR--95-117; CNN: Contract F19628-93-C-0103
- Country of Publication:
- United States
- Language:
- English
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