The target’s effect is represented as a complex impedance change:
Detailed technical look at coil types, construction techniques, and performance comparisons. Amazon.com Edition Differences 2nd Edition (ITMD-2): The target’s effect is represented as a complex
: Step-by-step instructions to build functional devices, such as an off-resonance pinpointer and a microprocessor-controlled PI detector. Coil Design it focuses on the underlying physics
Carl Moreland has made the available for free on his site (with George Overton’s permission). The target’s effect is represented as a complex
is regarded as a seminal technical resource for both hobbyists and electronics engineers. Unlike standard user manuals, it focuses on the underlying physics, circuitry, and design principles of metal detection technology. The Evolution of Metal Detection Technology