표 3. | Table 3. 인체 분산 모델 특징 | Dispersion model characteristics for human tissue.

Dispersion model	Characteristics
Debye[8]	They should use a nonlinear optimization. The accuracy is sensitive to initial values.
Lorentz[9]
Cole-Cole[10]	They are suitable for complicated dispersive media. FDTD implementation is difficult due to the fractional derivatives.
Davidson-Cole[11]
Havriliak-Negami[12]
Two-pole CRF[13]	No complicated optimization is needed. No initial values are needed.
Four-pole CRF[14]