Transmission line behavior of the hardness surveillance illuminator

Abstract

A certain rhombic illuminator used to test the hardness of aircraft systems is studied with regard to its low-frequency behavior. The upper frequency limit on the validity of the two-wire transmission line model for the rhombic illuminator is determined by using a simple numerical model. The magnitudes of the transverse field components determined by using the numerical model are found to differ significantly from those of the two-wire line model at frequencies as low as 2 MHz.<>