Wide-band analysis of highly resonant wire antennas and scatterers via adaptive sampling

Efficient wideband evaluation of antennas and scatterers is essential for solving many electromagnetic engineering problems. Deriving the samples of the required parameter from frequency-domain computations at uniform intervals becomes prohibitively computationally expensive for highly resonant structures. A dynamic adaptive frequency sampling technique partially overcomes this difficulty. In this paper, the features of the technique applied in combination with method-of-moments to a variety of highly resonant wire antennas and scatterers are investigated.