简介:TheproblemforcalculatingnearfieldsofEMradiationsystemsbyusingthefinitedifferencetimedomain(FD-TD)methodarediscussedandtheannularphasedarrayofdipoleantennashasbeensimulatednumericallybyuseoftheFD-TDmethod.Foratestrunthenearfieldandcurrentdistributionofthesingledipoleantennaarecalculated.Thenearfieldsoftheannularphasedarrayofdipoleantennasincentralregionfilledwithdeionizedwaterarecomputedandtheinteractionofnearfieldswithananatomically-basedinhomogeneousmodelofhumantorsoisconsideredaswell.