FIELD: electricity.
SUBSTANCE: semiconductor or dielectric condensed medium is exposed to an electromagnetic pulse to generate a circularly or elliptically polarised electromagnetic wave, characterised by that circular polarisation frequency of the electrical component of the field is superposed with the electrostriction frequency of a sound standing wave formed on the surface of a cluster of substance, which generates circular current breakdown on the surface of the cluster, which leads to change in properties of the semiconductor and dielectric condensed substances which relax over time after the electromagnetic exposure stops (echo-signal).
EFFECT: controlling variable parameters of a substance.
2 cl, 13 dwg
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