Study of the temperature rise induced by a focusing transducer with a wide aperture angle on biological tissue containing ribs
Wang Xin1, Lin Jiexing1, Liu Xiaozhou1, 2, †, 
, Liu Jiehui1, Gong Xiufen1
, Liu Jiehui1, Gong Xiufen1 The ellipsoidal coordinate system and the division of the sound field, panel (a) is the schematic diagram of the ellipsoidal coordinate system, panel (b) shows the spherical wave area and a planar wave area.
