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Antenna Scatterers Analysis Program

Source Code Description: Subroutine DSHELL



DSHELL

PURPOSE: to calculate the mutual impedance term contributed by the dielectric insulation on the surface of a thin wire.

METHOD: The contribution to the impedance matrix is calculated utilizing the equation below

dshelle1.gif 1.64 K

where zmn is defined in subroutine SGANT, epsilon sub 2 - dshelleps2.gif 0.88 K is the dielectric constant of the insulation, b is the outer radius of the insulation, a is the inner radius, epsilon - dshelleps.gif 0.84 K is the dielectric constant of the external medium, and F is the sinusoidal expansion function.

CALLED BY: SGANT

CALLS TO: NONE


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Last modified on: 3 Nov 2007