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SYNTHETIC SEISMOGRAMS FROM CONTINUOUS VELOCITY LOGS*

H. Dürschner

Abstract

ABSTRACT In this paper a method of calculating synthetic seismograms from continuous velocity logs (CVL) is presented and described in detail. The seismic velocities on the CVL are frequently and rapidly changing. Therefore a seismic field‐record consists of a great number of reflections with different sign and amplitude. The sum of all reflections forms the seismogram. The first part deals with some relations between the log, the reflection‐layers, and the normal field‐record, with special emphasis on the influence of the seismic amplifier. Then several assumptions are made for the construction of the synthetic seismograms. Finally some examples and applications are given.

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Available abstract

Key concepts: Seismogram, Synthetic seismogram, Geology, Seismology, Reflection (computer programming), Amplitude, Field (mathematics), Geophysics