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. 2023 Feb 22;14:989. doi: 10.1038/s41467-023-36645-3

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Fig. 5 — A TE-polarized beam from a feeding horn antenna is incident on the metasurface. The position of the moving car is processed in the control system, and all bias voltages are instantly calculated and supplied to the metasurface. The reflected waves of the metasurface are detected in real-time by the receiving antenna.