In this work, we deal with the application of a nonlinear deconvolution technique to seismic signals, proposed<br>by Oppenheim (1965), which uses the theory of a class of nonlinear systems, that satisfy a generalized principle<br>of superposition, called homomorphic systems. Such systems are particularly useful in separating signals<br>which have been combined through the convolution operation.<br>This method offers the considerable advantage that no prior assumption about the nature of the seismic wavelet<br>or the impulse response of the reflection path need be made, that is, it does not require the usual assumptions<br>of a minimum-phase wavelet and a random distribution of impulses. On the other hand, the quality of the results<br>obtained by the homomorphic analysis is very sensible to the signal/noise ratio, as demonstrated.


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