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Focusing Ultrasonic Field of Holed Cap Spherical Shell Transducer Using the Spheroidal Beam Equation
作者姓名:夏荣民  寿文德
作者单位:DepartmentofBiomedicalEngineering,ShanghaiJiaoTongUniversity,Shanghai200030
摘    要:A large aperture transducer with an inner hole has been used to validate the feasibility of using the spheroidal beam equation to solve the acoustic field of the inner holed transducer.The numerical results of several harmonics are presented for the nonlinear field.

关 键 词:高强度超声波  球状射束方程  变换器
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