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A recursive convolution-finite-difference time-domain implementation of electromagnetic scattering by magnetized ferrite medium

A recursive convolution-finite-difference time-domain implementation of electromagnetic scattering by magnetized ferrite medium

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  • Received Date:  15 April 2007
  • Accepted Date:  25 June 2007
  • Published Online:  20 December 2007

A recursive convolution-finite-difference time-domain implementation of electromagnetic scattering by magnetized ferrite medium

  • 1. 

Abstract: The permeability of magnetized ferrite medium in the frequency domain is transformed to the time domain, and the complex magnetic susceptibility dyadic matrix and the complex magnetic strength vector in time domain are introduced. A recursive convolution-finite-difference time-domain (RC-FDTD) method of electromagnetic scattering by magnetized ferrite medium is analysed in detail based on the convolution principle. To exemplify the availability of the algorithm, the backscattering radar scattering section of a magnetized ferrite sphere is computed, and the numerical results are the same as the reference values, which shows that the RC-FDTD method is correct and efficient.

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