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Spudich 1980
Spudich, P.K.P. (1980). The deHoop-Knopoff representation theorem as a linear inverse problem. Geophysical Research Letters 7: doi: 10.1029/GL007i009p00717. issn: 0094-8276.

The deHoop-Knopoff representation theorem, which relates observed seismic waves to a displacement discontinuity s defined on a surface S, is posed so that seismograms may be directly inverted for estimates of s and of the spatial and temporal resolution of s. Solutions s can be constructed either by parametrizing the fault surface as a number of point double couples or by representing s as an expansion of orthogonal functions. Of the infinite number of possible solutions satisfying a single seismic-data set, methods for constructing particular solutions (e.g., best fitting, or closest to a desired solution) are given. Application of inverse theory to the deHoop-Knopoff representation theorem leads to a convenient way to include various types of seismic data-e.g., long- and short-period teleseismic, near field accelerogram, and geodetic--into a single inversion.

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Journal
Geophysical Research Letters
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American Geophysical Union
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