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Multicore DSP-based Front-end board for a high channel, modular, ultrasound research system

机译:基于多核DSP的前端板,用于高通道,模块化,超声研究系统

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摘要

In ultrasound (US) research, a key role is currently played by open platforms, i.e. flexible scanners with unlimited access to raw echo-data, which facilitate the implementation and experimental test of new echographic methods. The methods proposed by research laboratories are increasingly demanding in terms of computational power and number of transmit/receive channels necessary for a suitable control of US array probes. In this paper, the basic module of a new 256-channel open platform is described. Such module, called Front-end (FE) board, integrates all of the electronics to simultaneously control 32 probe elements. Each FE board hosts four analog front-end chips, two DSPs and one FPGA, and is connected to the other boards in a ring with total I/O bandwidth of 80 Gbit/s full-duplex.
机译:在超声(美国)研究中,开放平台(即灵活的扫描仪,可以无限制地访问原始回波数据)目前扮演着关键角色,这有助于新回波记录方法的实施和实验测试。研究实验室提出的方法在计算能力和适当控制US阵列探头所需的发射/接收通道数量方面要求越来越高。在本文中,描述了一个新的256通道开放平台的基本模块。这种模块称为前端(FE)板,集成了所有电子设备以同时控制32个探头元件。每个FE板载有四个模拟前端芯片,两个DSP和一个FPGA,并以总I / O带宽为80 Gbit / s全双工的环形连接到其他板。

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