Figure 10.

$R_{\mathrm{X}}$ and $C_{\mathrm{X}}$ estimated using optimized ${\dot{Z}}_{\mathrm{A}}$: (a) estimated $R_{\mathrm{X}}$; (b) absolute error of estimated $R_{\mathrm{X}}$; (c) relative error of estimated $C_{\mathrm{X}}$.