Improving Depth of Focus for Single Element Annular Transducers

K.-H. HuangJ.-H LiuS.-L. WangPAI-CHI LI2018-09-102018-09-102011-10http://scholars.lib.ntu.edu.tw/handle/123456789/366839Taipei, TaiwanImproving Depth of Focus for Single Element Annular Transducersconference paper10.1109/ULTSYM.2011.05482-s2.0-84869055525