A DIPOLE APPROXIMATION OF THE BACKSCATTERING FROM A CONDUCTOR IN A SEMI- INFINITE DISSIPATIVE MEDIUM WITH APPLICATION TO SUBMARINE DETECTION
Abstract
The backscattering of a uniform plane wave by a conductor in a semi- infinite dissipative medium is discussed. The conductor is assumed to act as both an electric and a magnetic dipole with mo ments which are obtained from the electric magne tic polarizabilities of the conductor, respec tively. Using these induced moments, expressions are derived for the backscattered electric field at a point on the surface of the dissipative half-space directly above the dipoles. Both harmonic and transient excitation are considered. Numerical results are presented for the backscat tered electric field from a perfectly conducting finite cylinder in sea water when the cylinder is excited by a single sferic pulse. The applica tion of these results to the detection of sub marines is discussed. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 15, 1963
- Accession Number
- AD0339521
Entities
People
- Martin B. Kraichman
Organizations
- Naval Ordnance Laboratory