Modern technology of seismic survey is based on assumptions about the use of sounding signals distinguished by their characteristics. Thus, the experimentally obtained seismograms have a different form, which appears to be an objective hindrance when comparing and interpreting the obtained seismograms. An invariant seismic experiment is understood as seismic survey of the Earth's crust, whose result - a seismogram - does not depend on the kind of a sounding signal. As a procedure of reduction of a seismogram to an invariant form it is offered to use a deconvolution operation (Wiener filtration). The mathematical simulation of invariant seismic experiments with the use of the Laplace transform displays a possibility of employing different sources of seismic waves. A monochromatic sounding signal serves as an example of the formatting a correcting filter whose application allows attaining invariance of seismic experiments.

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