Abstract
The spatial distribution of microwave energy transmitted from an incident field through a biosystem to a receiving antenna depends upon features of both the biosystem and the incident energy. With respect to the incident field, features such as frequency, polarization, and mode are important parameters of such a radiative transfer. With respect to the biosystem, the spatial distribution of dielectric properties and their time as well as frequency dependencies are the important parameters. Further, to the extent that the incident flux density is sufficient to heat the biosystem, power density may itself effect the spatial distribution of absorbed microwave energy. This is a consequence of two facts: first the microwave constitutive parameters of biological dielectrics are temperature dependent per se; secondly, in situ thermoregulatory mechanisms may substantially alter the spatial distribution of complex permittivity as a result of vasomotor activity.
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© 1983 Martinus Nijhoff Publishers, The Hague
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Larsen, L.E., Jacobi, J.H. (1983). Methods of Microwave Imagery for Diagnostic Applications. In: Reba, R.C., Goodenough, D.J., Davidson, H.F. (eds) Diagnostic Imaging in Medicine. NATO ASI Series, vol 61. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6810-3_3
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DOI: https://doi.org/10.1007/978-94-009-6810-3_3
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