圆弧形超表面对透射声波的可调控制与功能转换1) |
陈阿丽, 王新萌, 汪越胜 |
TUNABLE CONTROL AND FUNCTIONAL SWITCH OF TRANSMITTED ACOUSTIC WAVES BY AN ARCH-SHAPED METASURFACE1) |
Chen Ali, Wang Xinmeng, Wang Yuesheng |
图17 工作频率$f=5200$ Hz时, 源位置虚拟移动功能($\Delta S=60$ mm)的有限元模拟(a)和实验(b)结果; 图(c)为声源位置在(0,60 mm)处的声场分布 |
Fig. 17 Results of FEM simulation (a) and experiment (b) for the function of virtual movement of the source position ($\Delta S=60$ mm) in case of $f= 5200$ Hz; (c) is the acoustic field with the source located at (0, 60 mm) |