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The schematics of the proposed dc illusion device. (a) An arbitrary object wrapped with the designed device is equivalent to another one in the EIT measurement. (b) Virtual space in the design. (c) Physical space in the design.
The equivalence between conducting materials and resistor networks. (a) An anisotropic and inhomogeneous conducting material is divided into small sectors using the polar grids. (b) The equivalent resistor network for an arbitrary sector.
Simulated voltage distribution. (a) For a r = 2 cm metallic object. (b) For a r = 8 cm dielectric object. (c) When the metallic object is wrapped by the designed device with ideal resistors. (d) Similar to (c) but with actual resistors (commercially available resistors).
The experimental setup (a) and the measured voltage distribution (b).
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