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RF Energy Deposition in a Heterogeneous Model of Man: Near-Field Exposures
Authors:Stuchly   Maria A. Kraszewski   Andrzej Stuchly   Stanislaw S. Hartsgrove   George W. Spigel   Ronald J.
Affiliation:Bureau of Radiation and Medical Devices, Health and Welfare Canada;
Abstract:
The electric field strength was measured in a full-scale heterogeneous model of man exposed in the near field of resonant dipoles. The model was comprised of skull, spinal cord, rib cage, all other major bones, brain, lung, and muscle tissue. Electrical properties of these simulated tissues were the same as respective live tissue properties at test frequencies of 160, 350, and 915 MHz. The rates of energy absorption were calculated on the basis of the measured field strengths and tissue conductivities. Patterns of the energy deposition are compared for two orientations of the antennas with respect to the body. Also the results for the heterogeneous model are compared to data for homogeneous model having average tissue electrical properties.
Keywords:
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