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中文摘要：
简述医学超声成像模拟研究的主要方法,探讨其研究意义和应用前景。将现有的超声成像模拟算法分为基于线性假设和基于非线性假设的两大类,介绍每类中代表方法的基本原理,并讨论两类方法的差异,其中基于数值方法求解超声波动方程的模拟算法更符合实际超声成像过程,为更好地理解超声图像中的各种现象、寻求组织特性和图像特征间的匹配关系提供了有效的研究工具。
英文摘要：
The main methodologies are introduced for the simulation of medical ultrasound imaging.The significance and the application prospects of simulation studies are also discussed.The existing ultrasound imaging simulation methods are divided into two groups： linear assumption based and nonlinear assumption based.Representative methods in each group as well as the differences between two groups are presented and compared.The simulation method based on the numerical solution of acoustic wave equations may provide more realistic simulation of real ultrasound imaging.It can be used as an efficient tool for understanding various phenomena in ultrasound imaging and establishing relationships between tissue properties and image features.
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