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Time‐domain reciprocity theorems for electromagnetic fields in dispersive media
Author(s) -
Hoop Adrianus T.
Publication year - 1987
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs022i007p01171
Subject(s) - reciprocity (cultural anthropology) , inverse , time domain , electromagnetic field , mathematical analysis , mathematics , electromagnetic radiation , inverse problem , frequency domain , convolution (computer science) , anisotropy , invariant (physics) , physics , optics , computer science , mathematical physics , geometry , quantum mechanics , psychology , social psychology , machine learning , artificial neural network , computer vision
Time‐domain reciprocity theorems of the time‐convolution and the time‐correlation type for electromagnetic fields in linear, time‐invariant, and locally reacting media are discussed. Inhomogeneous, anisotropic, and arbitrarily dispersive, both active and passive, media are included. The analysis is entirely carried out in space‐time, without intermediate recourse to the frequency or the wave vector domain. The application to inverse source and inverse constituency (or inverse profiling) problems is briefly indicated.