FIELD: geophysics.
SUBSTANCE: device has rigid, positioned on soil, emitting plate, device for its pressing to soil, load, resilient element, connecting emitting plate to load, and source of alternating-sign force of variable frequency, made in form of two-tact electric magnet, windings of which are connected to electric power grid. Turn-by-turn feed of current pulses into windings of two-tact electric magnet is a reason for occurrence of alternating-sign force effects, transferred to soil through emitting plate and exciting seismic waves in soil, frequency and amplitude of which is set by current pulses formed by electric power grid.
EFFECT: higher efficiency, simplified construction.
9 dwg
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Authors
Dates
2005-05-27—Published
2004-02-25—Filed