Application of Schlieren system in visualization of ultrasonic wave and velocity measuring
HU Bin1,XIA Xun2,XIONG Chang3,ZHANG Bo-yi4,TANG Fang3,LI Chao-rong3
College Physics . 2018, (2): 64 -67 .  DOI: 10.16854 /j.cnki.1000-0712.170430