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(a) Real and (b) imaginary permeability spectra for metamaterial with various numbers of coil turns .
(a) The maximum imaginary permeability , the maximum real positive and negative permeability and , (b) the frequency bandwidth of loss peaks , and the damping coefficient for metamaterial with various numbers of coil turns .
The resonance frequency of metamaterial with various numbers of coil turns , where the open circles are the measurement results and the solid line is the calculated values for ferrite core with . (Inset) The 16454A test fixture loaded with the toroidal core for permeability measurement.
Complex permeability spectra for metamaterial with 16- and 8-turn coils, where the solid and dotted lines are the measured and calculated curves, respectively.
The complex permeability of metamaterial, where the solid and dashed lines are for the case of the switch on and off, respectively.
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