Inversion for t* (f)
Semiannual technical rept. for period ending 30 Nov 1981
SIERRA GEOPHYSICS INC REDMOND WA
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This technical report summarizes work done during the period December 1, 1980 through September 30, 1981 based upon software developed and experience gained in modeling several forms of the Q filter. This report concentrates on the inversion theory to model the Q filter and to estimate the models of each parameter. Two spectral ratio data sets are used, PPP and receiver function rates. The PPP data set was limited to long period data and results indicate the necessity of using broader bandwidth data. The short period receiver function spectral ratios lead to consistent values for several paths about the Eastern Kazakh and NTS test sites.