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A simple derivation of the formula to calculated synthetic long-period seismograms in a heterogeneous Earth by normal mode summationA simple modification of Gilbert's formula to account for slight lateral heterogeneity of the Earth leads to a convenient formula to calculate synthetic long period seismograms. Partial derivatives are easily calculated, thus the formula is suitable for direct inversion of seismograms for lateral heterogeneity of the Earth.
Document ID
19830021622
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Tanimoto, T. (California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1983
Subject Category
Geophysics
Report/Patent Number
NAS 1.26:172818
CONTRIB-3909
NASA-CR-172818
Accession Number
83N29893
Funding Number(s)
CONTRACT_GRANT: NSG-7610
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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