May 2014
Intermediate
496 pages
12h 21m
English
Content preview from Fundamentals of the Physical Theory of Diffraction, 2nd Edition
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1.4 Electromagnetic Waves
1.4.1 Basic Field Equations and PO Backscattering
In this section we present briefly basic notions used in the book to describe electromagnetic waves. We study the diffraction of electromagnetic waves primarily at perfectly conducting bodies that are large compared to the wavelength. It is assumed that the waves and scattering objects are in free space (vacuum). The electric (
) and magnetic vectors (
) of the wave field are determined as
Here 
ohms is the impedance of free space, 
is the wave number, and
are the electric and magnetic vector-potentials. They are the solutions of the equation
where is the electric (magnetic) ...
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