Author_Institution :
Boeing Aerosp., Arlington, VA, USA
Abstract :
The commenter notes that the intention of M.E. El-Shandwily´s paper (see ibid., vol.30, no.4, p.577-82, Nov. 1988) is to demonstrate that the linear Maxwell´s equations can be applied to the case of a pulse or step-function field change. If this can be demonstrated, then, it is claimed, the Harmuth Ansatz (see ibid., vol.EMC-28, no.4, p.250-8, Nov. 1986) for solving Maxwell´s equations to obtain the magnetic field for impulse excitation is unnecessary. The commenter seeks to show that El-Shandwily actually implements the Harmuth Ansatz, which explains the concurrence of Harmuth´s and El-Shandwily´s predictions.<>
Keywords :
electromagnetic field theory; electromagnetic pulse; electromagnetism; El-Shandwily; Harmuth Ansatz; Maxwell equations; general nonperiodic waves; impulse excitation; lossy media; magnetic field; pulse function field change; step-function field change; Apertures; Boundary conditions; Conductivity; Frequency; Lenses; Magnetic fields; Maxwell equations; Nonlinear equations; Permeability; Permittivity;