transceiver coil

transceiver coil

An MRI surface coil that acts as both transmitter and receiver.
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In general, the method of nuclear magnetic logging in devices with permanent magnets consists in moving along a well at a given speed of a logging device, in which one or several permanent magnets create a constant magnetic field in the external region relative to the device in the rock , in the same area, the radio frequency transceiver coil at the frequency of nuclear magnetic resonance creates a series of radio frequency pulses that form a polarized perpendicular the constant magnetic field alternating magnetic field and using the same coil in the intervals between radio frequency pulses recorded signals spin echo NMR.
Recent studies have demonstrated that mechanically rotating a single RF transceiver coil (RRFC) can emulate a large RF coil array by time-division-multiplexing (TDM) [21-23].