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3 (a)透射系数T和(b)归一化有效波数的相移
Fig.3 (a) The transmission coefficient T, and (b) the phase shift of effective wave number normalized