ON A PHYSICAL FOUNDATION FOR ELECTROMAGNETIC SYSTEM THEORY
NORTH CAROLINA STATE UNIV AT RALEIGH
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The traditional basis for the theory of electromagnetic systems e.g. , circuits, microwave networks, antennas is a collection of definitions describing their temporal and spectral properties. It is shown here that these properties are all derivable as a consequence of two physical assumptions, namely, the Maxwell-Lorentz theory of electromagnetism and the postulates of causality, linearity, time-invariance, and passivity. These two assumptions alone thus constitute an axiomatic physical foundation for electromagnetic system theory.
- Electricity and Magnetism