Energy transport and the scattering matrix
- 1 May 1965
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 1 (3) , 57-58
- https://doi.org/10.1049/el:19650055
Abstract
An energy-transport equation is obtained for the n-port scattering matrix of a general lossless anisotropic dispersive medium. This yields a theorem that in a lossless nonreciprocal 2-port the sum of the phase derivatives of the two transmission scattering coefficients must be nonnegative.Keywords
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