Research Article
Reduction of FDTD Stair-Casing Error regarding to Metamaterials by Using High-Order Polynomial Transformation Functions
Figure 11
Relative root mean square error: (a) the cloak, (b) the rotator, and (c) the concentrator. The fifth-order function had the smallest error followed by the third-order and linear functions.
(a) |
(b) |
(c) |