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Wireless Workshop - The Method of Moments as applied to Antenna Theeory - An Overview

Tropper Technologies' Wireless Workshop is designed to explore various aspects of emerging wireless technologies...



A = Magnetic Vector Potential
F = Electric Vector Potential

 

It is possible to go from Sources on conductors to Radiated Fields directly, but it is advantageous to go via Vector Potentials first, as all "well behaved" functions can be differentiated...

 

 
  • Step 1

Helmoltz Wave Equation

Green's function
(a solution to the Helmoltz Wave Equation)

after many simplifications

A is unknown and I is unknown
ie. 1 equation and 2 unknowns

 

  • Step 2

--> after many simplifications

Solve for A in terms of constituent parameters and wave number

 

  • Step 3

Expand I in terms of basis functions.
Solve for current I
One equation, 1 unknown...