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An efficient finite-difference-based Newton-Raphson method to determine intrinsic complex permeabilities and permittivities for Mn-Zn ferrites

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3 Author(s)
Ruifeng Huang ; Sch. of Electr. & Electron. Eng., Nat. Technol. Univ., Singapore, Singapore ; Daming Zhang ; King Jet Tseng

This paper presents a fast and efficient algorithm, based on the finite-difference method, to extract intrinsic complex permeability and permittivity from measured values for Mn-Zn ferrite cores. Our algorithm is considerably more efficient than the analytical solution-based Newton-Raphson method and reduces computing time from hours to tens of seconds

Published in:

IEEE Transactions on Magnetics  (Volume:42 ,  Issue: 6 )