Abstract
A study is made of the scatter of low-frequency electric and magnetic dipole fields from a perfectly conducting sphere coated with a thin and lossy dielectric and immersed in an infinite and lossy medium. Infinite series solutions are obtained for the incident and scattered electric and magnetic fields. The solutions are evaluated numerically for various coating parameters and orthogonally oriented transmitter-receiver systems traveling along linear paths beneath the coated sphere. Results are compared with those obtained for the scatter of dipole fields from an uncoated sphere and used to determine the extent to which the scatter of low-frequency electric and magnetic dipole fields may be used to detect such objects and to obtain information about the nature of the coating.
Published Version
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