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首页> 外文期刊>IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control >Hardware and software platform for real-time processing and visualization of echographic radiofrequency signals
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Hardware and software platform for real-time processing and visualization of echographic radiofrequency signals

机译：实时处理和可视化回波射频信号的硬件和软件平台

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摘要

In this paper the architecture of a hardware and software platform, for ultrasonic investigation is presented. The platform, used in conjunction with an analog front-end hardware for driving the ultrasonic transducers of any commercial echograph, having the radiofrequency echo signal access, make it possible to dispose of a powerful echographic system for experimenting any processing technique, also in a clinical environment in which real-time operation mode is an essential prerequisite. The platform transforms any echograph into a test-system for evaluating the diagnostic effectiveness of new investigation techniques. A particular user interface was designed in order to allow a real-time and simultaneous visualization of the results produced in the different stages of the chosen processing procedure. This is aimed at obtaining a better optimization of the processing algorithm. The most important platform aspect, which also constitutes the basic differentiation with respect to similar systems, is the direct processing of the radiofrequency echo signal, which is essential for a complete analysis of the particular ultrasound-media interaction phenomenon. The platform completely integrates the architecture of a personal computer (PC) giving rise to several benefits, such as the quick technological evolution in the PC field and an extreme degree of programmability for different applications. The PC also constitutes the user interface, as a flexible and intuitive visualization support, and performs some software signal processing, by custom algorithms and commercial libraries. The realized close synergy between hardware and software allows the acquisition and real-time processing of the echographic radiofrequency (RF) signal with fast data representation.
机译：本文提出了一种用于超声研究的硬件和软件平台的体系结构。该平台与模拟前端硬件结合使用，用于驱动任何具有商业用途的超声回波图的超声换能器，并具有射频回波信号访问功能，该平台使得可以配置功能强大的回波成像系统，用于在临床上试验任何处理技术实时操作模式是必不可少的前提条件。该平台可将任何回波图转换成测试系统，以评估新调查技术的诊断效力。设计了特定的用户界面，以便可以实时，同时可视化在所选处理过程的不同阶段产生的结果。这旨在获得更好的处理算法优化。平台的最重要方面（也构成相对于类似系统的基本区别）是射频回波信号的直接处理，这对于完整分析特定的超声-介质相互作用现象至关重要。该平台完全集成了个人计算机（PC）的体系结构，带来了许多好处，例如PC领域的快速技术发展以及针对不同应用程序的极高可编程性。 PC还构成了用户界面，以提供灵活，直观的可视化支持，并通过自定义算法和商业库执行一些软件信号处理。硬件和软件之间实现的紧密协同作用允许以快速的数据表示来获取和实时处理回波射频（RF）信号。

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