基于OAM复用信号高效调制解调的声学超表面
Acoustic metasurfaces for efficient modulation and demodulation of OAM multiplexed signals
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 |
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Acoustic metasurfaces for efficient modulation and demodulation of OAM multiplexed signals |
| Zhi Liu, Baolin Huang, Wei Lin, Jinyu Huang |
| 图5 (a)波导中声涡旋的产生（左）和传输（右）；(b)在3430 Hz频率下产生的一阶声涡旋束在横截面处的相位分布（左）和归一化声压幅值（右） |
| Fig.5 (a) Generation (left) and transmission (right) of the acoustic vortex in waveguide, (b) phases distributions (left) and Normalized sound pressure amplitudes (right) of the generated first?order acoustic vortex beam in the frequency of 3430 Hz at cross sections |
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