柱形压电超声换能器的祸合振动和声场分析
 张小丽,林书玉,付志强,王勇,胡文旭
 The coupled vibration and acoustic field of
a composite piezoelectric ultrasonic transducer*
 Zhang Xiao一Li,Lin Shu-Yu**,Fu Zhi一Qiang ,Wang Yong,Hu Wen-Xu
南京大学学报(自然科学版) . 2012, (5): 537 -543 .