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Fast-Fourier-Transform Method for Calculation of SAR Distributions in Finely Discretized Inhomogeneous Models of Biological Bodies

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2 Author(s)

The paper describes a novel iterative approach for calculations of specific absorption rate (SAR) distributions in arbitrary, lossy, dielectric bodies. To date, the method has been used for 2-D problems where its accuracy has been confirmed by comparison with the analytic solutions for homogeneous and layered, circular, cylindrical bodies. With computation times that are proportional to N log2N rather than N2 to N3 for the method of moments, the present approach should be extendable to 3-D bodies with N= 104to 105 cells allowing, thereby, details of SAR distributions that are needed for EM hyperthermia, as well as for assessing biological effects.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:32 ,  Issue: 4 )