基于OAM复用信号高效调制解调的声学超表面
刘智, 黄保霖, 林玮, 赵瑾瑜

Acoustic metasurfaces for efficient modulation and demodulation of OAM multiplexed signals
Zhi Liu, Baolin Huang, Wei Lin, Jinyu Huang
图6 探针接收的时域信号Sign1(带星号标记的蓝线)和Sign2(带圆圈标记的红线)
Fig.6 The time domain signals received by probe 1 and probe 2,where Sign1 (blue lines with asterisk markers) and Sign2 (red lines with circle markers)