Abstract

The analytic signal is a well-known magnetic data form that provides a high-frequency, symmetric response that is centered over source bodies regardless of the effects of permanent (remnant) magnetization or the inclination of the ambient field. This, and its immunity to the effects of diurnal variation, make it an ideal data form when searching for ferrous objects such as pipelines, unexploded ordnance (UXO), mines, or archaeological remains.

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