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Modeling and simulation of ultrasound fields generated by 2D phased array transducers for medical applications

机译:二维相控阵换能器在医学领域产生的超声场的建模和仿真

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Modern ultrasound imaging instrumentation for clinical applications allows real-time volumetric scanning of the patients' body. 4D imaging has been made possible thanks to the development of new echographic probes which consist in 2D phased arrays of piezoelectric transducers. In these new devices it is the system electronics which properly drives the matrix elements and focuses the beam in order to obtain a sequence of volumetric images. This paper introduces an ultrasound field simulator based on the Spatial Impulse Response method which is being properly developed to analyze the characteristics of the ultrasound field generated by a 2D phased array of transducers. Thanks to its high configurability by the user, it will represent a very useful tool for electronics designers in developing 4D ultrasound imaging systems components.
机译:用于临床应用的现代超声成像仪器允许对患者身体进行实时体积扫描。得益于新的回波成像探头的开发,使4D成像成为可能,该探头包含在压电换能器的2D相控阵列中。在这些新设备中,正是系统电子设备正确驱动矩阵元素并聚焦光束,以获得一系列体积图像。本文介绍了一种基于空间脉冲响应方法的超声场模拟器,该模拟器正在得到适当开发,以分析由二维相控换能器阵列产生的超声场的特性。得益于用户的高度可配置性,它将成为电子设计人员开发4D超声成像系统组件的非常有用的工具。

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