METHOD OF MATCHING OF INPUT RESISTANCES OF ANTENNA AND OF ROCK MASS Russian patent published in 1996 - IPC

Abstract RU 2067308 C1

FIELD: mining industry. SUBSTANCE: invention referse to method of registration of weak signals of electromagnetic origin generated in rock mass. Method envisages measurement of conductance and dielectric permittivity of rock mass. With this in view borehole is drilled in rock mass or working is dug with subsequent mounting of antenna in them. Antenna is manufactured in the form of loop with capability of charge of length of turn. Value of input resistance of such loop is determined with allowance for frequencies pf magnetic permeability and dielectric permittivity, distance between sides of rock mass and its dielectric permeittivity. EFFECT: enhanced reliability of matching.

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RU 2 067 308 C1

Authors

Kurlenja M.V.

Postnikov V.F.

Kulakov G.I.

Oparin V.N.

Jakovitskaja G.E.

Dates

1996-09-27—Published

1992-01-09—Filed