Fig. 7: Pictures to be transmitted by different metasurface columns modulated with different carrier frequencies. | Nature Communications

Fig. 7: Pictures to be transmitted by different metasurface columns modulated with different carrier frequencies.

From: Manipulations of multi-frequency waves and signals via multi-partition asynchronous space-time-coding digital metasurface

Fig. 7

a Space division of the metasurface for eight-frequency synthesizing, in which two neighboring columns with the same color share the identical modulation frequency. b Eight pictures to be transmitted at the carrier frequencies (f1~f8) of 4.2496 GHz, 4.2495 GHz, 4.2494 GHz, 4.2493 GHz, 4.25015 GHz, 4.25035 GHz, 4.25055 GHz, and 4.25085 GHz.

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