A mechanically based magneto-inductive transmitter with electrically modulated reluctance.

A mechanically based magneto-inductive transmitter with electrically modulated reluctance.

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Magneto-inductive (MI) communication is a viable technology for wireless communications in underwater and underground environments.In this paper, a new design for an cotopaxi bibs MI transmitter is presented.Unlike conventional MI transmitters that utilize coiled loops or solenoids to generate magnetic fields, we demonstrate the feasibility and advantages of using a rotating permanent magnet.

We also present and experimentally verify a modulation technique that does not involve changing the rotational speed of the magnet.By electrically changing the permeability of a surrounding shield, the jacques marie mage picabia fields from the rotating magnet are amplitude modulated.Our findings suggest that increased efficiency and bandwidth can be realized compared to conventional MI transmitters.