Chapter 5
Thin Wires
In this chapter we will use the Method of Moments to analyze the radiation and scattering by thin, conducting wires. This is an area of great practical interest, as many realistic antennas can be modeled by wires whose radius is much smaller than their length and the operating wavelength. We will first derive a thin wire approximation to the magnetic vector potential, and consider the well-known Hallén and Pocklington integral equations for thin, straight wires. Next, we will discuss modeling of the feed system at an antenna's terminals, apply the EFIE (3.178) to thin wires of more general shape, and compare the effectiveness of each model through a few simple examples. We will then present several examples with geometries ...
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