Skip to main content
. 2020 Jul 23;23(8):101403. doi: 10.1016/j.isci.2020.101403

Figure 3.

Figure 3

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.