underwater wireless communication
The prototype transmitter was placed on the floating platform for generating the inductive magnetic field, and the distance between the rotating magnet and the sea surface is 35 cm to 45 cm. The waterproof ferrite-rod coil was hung in the seawater as a receiving antenna at a depth of 10 m.
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We conducted an undersea magnetic induction (MI) communication experiment in the South China Sea to demonstrate the feasibility of a rotating permanent magnet transmitter. The rotating permanent magnet transmitter is placed on the floating platform for generating the inductive magnetic field, and a ferrite-rod coil with the glue-filled waterproof seal is hung in the seawater as a receiving antenna. This data is a received magnetic signal at a depth of 30 m in seawater.
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