AN APPROACH TO ESTIMATION IN SEISMIC EQUALIZATION
MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB
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The seismic equalization problem is that of correcting the response at one station to match that at another station which may have different instrument characteristics and different and unknown local reverberation characteristics. The problem of seismic equalization is formulated mathematically, and that portion involving measurement or estimation of a transfer-function ratio is modeled and attacked on statistical terms, first by an ad hoc procedure and then by the method of maximum likelihood.