FIELD: physics.
SUBSTANCE: method for magnetic density registration of magnetic field involves measurement of electromotive force (emf) or inductance current in circuit made of electroconductive material, evolving by changing magnetic current in the circuit due to high-frequency periodic change of area covered by the circuit by changing length and/or form of the circuit perimeter. High-frequency periodic change of area covered by the circuit is performed by laying the circuit onto the surface of core made of magnetostriction material with exciting winding and passing alternate current over the winding.
EFFECT: high sensitivity and reliability of magnetic field conversion.
1 dwg
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