Intermediate simulation of the inverse seismic problem
An introductory study of the inverse seismic problem is performed. The complex cepstrum of a seismogram generated by the convolution of three factors, the Seggern-Blandford source function of an explosion, the Futterman mantle transfer function, and the SRO seismometer transfer function, is used. For a given Q and yield, a synthetic seismogram is computed. Arbitrary values of Q and yield are introduced, and a search is conducted to find that pair of values that minimized the cepstral difference between the original and arbitrary seismograms. The original values are accurately recovered. Spectral and amplitude characteristics of the various factors are presented. Possible application to the problem of studying a medium intervening between a source and receiver is discussed. 25 figures, 1 table.
- Research Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5387660
- Report Number(s):
- LA-8270-MS; TRN: 80-008220
- Country of Publication:
- United States
- Language:
- English
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45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
EARTH MANTLE
WAVE PROPAGATION
ELECTROMAGNETIC SURVEYS
DATA PROCESSING
NUCLEAR EXPLOSION DETECTION
SEISMIC SURVEYS
SEISMIC WAVES
TRANSMISSION
NUCLEAR EXPLOSIONS
ONE-DIMENSIONAL CALCULATIONS
TRANSFER FUNCTIONS
UNDERGROUND EXPLOSIONS
YIELDS
DETECTION
ELECTRICAL SURVEYS
EXPLOSIONS
FUNCTIONS
GEOPHYSICAL SURVEYS
PROCESSING
SURVEYS
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