Title :
Wideband scattering of microstrip patches using natural modes
Author :
Hall, Richard C. ; Steyskal, Hans
Author_Institution :
Huber & Suhner AG, Herisau, Switzerland
fDate :
10/1/1995 12:00:00 AM
Abstract :
Model-based parameter estimation is proposed as a numerically efficient method for the wideband or transient characterization of three-dimensional antennas or scatterers. The approach employs existing frequency domain method of moment (MoM) codes to compute the necessary complex natural resonances and modes used to construct an analytic wideband model of the current response. The mode amplitudes are determined by matching reference cases thus avoiding the complicated residue evaluation of the conventional singularity expansion model. As an example, the radar cross section (RCS) of a microstrip patch is modeled over the 1-18 GHz band
Keywords :
antenna theory; electromagnetic wave scattering; frequency-domain analysis; method of moments; microstrip antennas; parameter estimation; radar cross-sections; transient analysis; 1 to 18 GHz; RCS; complex natural resonances; current response; frequency domain method of moment codes; microstrip patches; mode amplitudes; model-based parameter estimation; natural modes; radar cross section; three-dimensional antennas; three-dimensional scatterers; transient characterization; wideband scattering; Broadband antennas; Frequency domain analysis; Microstrip; Moment methods; Parameter estimation; Radar cross section; Radar scattering; Resonance; Scattering parameters; Wideband;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
