Investigation of Improved Methods in Power Transfer Efficiency for Radiating Near-Field Wireless Power Transfer

Figure 2

The complex input impedance response of proposed antenna against frequency with varied parameters. All the parameters, with exception of the variable to each corresponding subgraph, are fixed in Table 1. (a)  mm,  mm,  pF, and . (b)  mm,  mm,  pF, and . (c)  mm,  mm,  pF, and . (d)  mm,  mm,  mm, and . (e)  mm,  mm,  mm, and  pF.

(a)

(b)

(c)

(d)

(e)