Accession Number : AD0671036

Title :   AN EXPERIMENTAL EVALUATION OF THE FIELDS OF AN OSCILLATING MAGNETIC DIPOLE IMMERSED IN A SEMI-INFINITE CONDUCTING MEDIUM.

Descriptive Note : Technical memo.,

Corporate Author : PENNSYLVANIA STATE UNIV UNIVERSITY PARK ORDNANCE RESEARCH LAB

Personal Author(s) : Pensa,A. F.

Report Date : 18 MAY 1967

Pagination or Media Count : 90

Abstract : The horizontal components of an oscillating magnetic dipole immersed in a semi-infinite conducting medium were determined using the most general expressions available. The fields of interest were those beneath the surface of the conductor. An experiment was designed and performed to measure the y-component of the magnetic field created by a small y-oriented loop antenna located beneath the surface of a conducting half-space. The fields were measured beneath the surface of the same conducting half-space. The measured data was compared quantitatively to the results calculated from the theory. After examining the amount of quantitative uncertainty associated with the measured data, favorable quantitative agreement between measured and calculated results was found. (Author)

Descriptors :   (*MAGNETIC MOMENTS, MAGNETIC FIELDS), (*LOOP ANTENNAS, MAGNETIC FIELDS), (*ANTENNA RADIATION PATTERNS, MATHEMATICAL ANALYSIS), PERIODIC VARIATIONS, BESSEL FUNCTIONS, COMPUTER PROGRAMS, SEA WATER, PROPAGATION, THESES

Subject Categories : Electricity and Magnetism
      Radiofrequency Wave Propagation

Distribution Statement : APPROVED FOR PUBLIC RELEASE