9/23/2023 0 Comments Real time system by liu pdf free![]() ![]() ![]() A distinct example of complicated image transmission is experimentally demonstrated, showing as many independent channels as the path number multiplied by vortex mode number and an extremely-low bit error rate nearly 1/10 of the forward error correction limit. Furthermore, the compactness of system ensures high information density crucial for acoustics-based applications. The undesired channel crosstalk, conventionally reduced via time-consuming postprocessing, is virtually suppressed by using a metamaterial layer as purely-passive demultiplexer with high spatial selectivity. To overcome the current limitations in information transfer capacity, here we propose and experimentally validate a mechanism using multipath sound twisting to realize real-time high-capacity communication free of signal-processing or sensor-scanning. Speeding up the transmission of information carried by waves is of fundamental interest for wave physics, with pivotal significance for underwater communications. ![]()
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