Information Entropy of the Digital Coding Metamaterial
(A and B) Schematic illustration of the wireless communication system based on the programmable metamaterial.
(C–E) Coding pattern and 2D/3D radiation patterns of the half 0 and a half 1 coding, respectively.
(F–H) Coding pattern and 2D/3D radiation patterns of the random coding, respectively.
(I) Geometrical entropy and physical entropy of the coding patterns generated in the diffusion process.