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Updated: Aug 2, 2026

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors
Published on: January 16, 2020
Abstract:
A computer program has been developed which calculates the signal response to a generalised depth pulse both on and off resonance. Results are displayed on a grey scale for any plane which includes the axis of the circular surface coil used to apply the pulse. Use of separate (coaxial) transmitter and receiver coils can be accommodated, and both in-phase and out-of-phase signal components can be displayed. Some methods of improving spatial resolution are demonstrated and the off-resonance performance of several depth pulses is compared. Results of the computer simulations are compared with experimental results on phantoms using a simple surface coil.
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