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![]() | Christensen, Douglas A. | Ultrasound beam propagation using the hybrid angular spectrum method | We introduce a fast and accurate numerical method for simulating the propagation of an ultrasound beam inside inhomogeneous tissue for mapping beam absorption, refraction and diffraction in the body. The technique, called the hybrid angular spectrum method, is an extension of the angular spectrum m... | Ultrasound beam propagation; Medical ultrasound; Inhomogeneous tissue; Beam simulation | 2008-08 |