Approximate natural response of an arbitrarily shaped thin wire scatterer

摘要

The authors introduce an approximate but computationally single technique for calculating the natural current and backscattered field response of an arbitrarily shaped thin wire scatterer. A single one-term resonant current approximation is shown to yield excellent results for the natural frequencies of perturbed straight wires and circular loops. Comparison with the measured current response of a compound wire target validates the simple theory.