Many different coil head configurations are currently used in electromagnetic induction (EMI) systems for sensing buried targets. It is difficult to compare the performance of different coil head designs to one another. Comparing two particular implementations is not particularly challenging, but fairly comparing general coil head designs is nontrivial. This work details both a target sensitivity metric and soil sensitivity metric that account for differences such as overall coil size, length, and wire diameter. The metrics are then used to compare the performance of a range of concentric EMI coil head designs.
Mark A. Reed and Waymond R. Scott, "Metrics for the comparison of coils used in electromagnetic induction systems," Proc. SPIE 10182, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XXII, 1018213 (Presented at SPIE Defense + Security: April 11, 2017; Published: 3 May 2017); https://doi.org/10.1117/12.2262897.
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