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27, pp. 378–391, 2006. ; “Human exposure to radio base-station antennas in urban environment,” IEEE Transactions on Microwave Theory and Techniques, 2000, Vol. 48, No. 11, pp. 1996–2002, 2000. , “Calculation of the power deposited in a phantom close to a base station antenna using a hybrid FDTD-MoMTD approach,” 30th European Microwave Conference, Paris, pp. 304–307, 2000. , “Occupational safety in the near field of GSM base stations,” 2000 International Millennium Conference on Antennas & Propagation (AP-2000), Davos, Switzerland, 2000.

In fact, permittivity measurements carried out in standard rectangular waveguides can only be applied from the cut-off frequency of TE10 mode to the cut-off frequency of the next mode, usually the TE20 mode. Therefore, if one has to cover a broad frequency range for the permittivity estimation and uses waveguide configurations, several waveguide cells would be necessary to cover this frequency range. On the other hand, commercial methods need the sample introduced in the waveguide to have very restrictive geometries and dimensions, which is not always easy to achieve.

The level of details is such that over 40 tissue types can be identified, so these models have high resolution and are anatomically correct. The application of such models required a consensus on the dielectric data, which came with Gabriel’s project [12], geared towards this objective, in which three experimental techniques were used to measure the dielectric properties of tissue in the frequency range 10 Hz to 20 GHz. The dielectric measurements were performed using automatic swept frequency network and impedance analyzers.

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3D magnetic field computation of a permanent magnet disc-type generator using scalar potential method by Yuejin Z., Guodong X.


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