Title :
Receiving and scattering characteristics of an imaged monopole beneath a lossy sheet
Author :
Gesang, W. ; Rothwell, E. ; Chen, K.M. ; Burket, K. ; Hansen, W.P. ; Lin, J.L.
Author_Institution :
Dept. of Electr. Eng., Michigan State Univ., East Lansing, MI, USA
fDate :
3/1/1993 12:00:00 AM
Abstract :
An analytical treatment of the radiation, scattering, and receiving properties of an imaged monopole in trilayered media with a perfectly conducting ground plane, a dielectric substrate, an electrically or magnetically lossy sheet as superstrate, and a homogeneous cover region is carried out. It is shown that while the power received by the monopole antenna is reduced by the presence of the lossy sheet, the scattered field is more greatly reduced, in agreement with observed behavior. Comparison with experimental and previously published numerical results validates the analysis
Keywords :
antenna radiation patterns; electric impedance; electromagnetic wave scattering; integral equations; monopole antennas; radar cross-sections; receiving antennas; dielectric substrate; homogeneous cover region; imaged monopole; input impedance; lossy sheet; method of moments; monopole antenna; perfectly conducting ground plane; radar cross-section; radiation patterns; receiving properties; scattering characteristics; superstrate; trilayered media; Dielectric losses; Feeds; Image analysis; Integral equations; Magnetic analysis; Magnetic losses; Radar scattering; Receiving antennas; Transmitting antennas; Voltage;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
