通过从实验和理论方面对声波在一维声子晶体单晶体和被小的共振腔分开的双晶体中传播时发生的隧穿和共振隧穿现象的研究,观察到了声子晶体单晶体在带隙频率范围内发生的隧穿现象,而对于双晶体样品,在带隙频率范围内出现了很强的共振透射峰.共振发生时,实验测得的群时间很大,但是没有共振时,群速度却很快. By experimentally and theoretically studying the phenomena of tunneling and resonant tunneling when the acoustic wave propagates in a single crystal of one-dimensional phononic crystal and in a double crystal separated by a small cavity, it is observed that the single crystal of the phonon crystal has a large band-gap frequency Tunneling phenomenon occurred in the range of band width, and strong resonance transmission peak appeared in the band gap frequency range for the dual-crystal samples.When the resonance occurred, the experimental group time was very large, but when there was no resonance, the group velocity quickly.