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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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微波成像用于人类大脑中风检测,使用频域逆向建模和幻影实验.

Soumya Prakash Rana1,2, John G Davis3, Kamal Khalil3

  • 1Electromagnetic Sensing Group, Department of Electrical and Electronic Engineering, University of Manchester, Manchester, United Kingdom. soumyaprakash.rana@gmail.com.

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微波逆合成孔径雷达 (ISAR) 成像显示了在检测生物组织的内部异常方面具有前景. 这种非侵入性雷达技术可以通过成像内部结构来帮助检测中风.

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科学领域:

  • 生物医学成像技术 生物医学成像技术
  • 微波工程 微波工程
  • 雷达技术 雷达技术的使用

背景情况:

  • 非侵入性成像对于医学诊断至关重要.
  • 目前用于中风监测的方法存在局限性.
  • 逆合成孔径雷达 (ISAR) 为高分辨率的生物成像提供了潜力.

研究的目的:

  • 探索微波ISAR用于成像生物标本.
  • 评估ISAR对非侵入性人类大脑成像的可行性.
  • 支持中风检测和监控应用程序.

主要方法:

  • 设计和制造了微波ISAR.的实验室测试台.
  • 开发了一个定制的天线,以最大限度地减少自我生成的杂乱.
  • 用水作为对应的介质进行受控实验.
  • 在模拟和生物幻影中验证了前向和逆向模型.
  • 为了成像,采用了比斯塔特雷达配置.

主要成果:

  • 在26厘米的面积上实现了亚厘米分辨率成像.
  • 在蔬菜幽灵 (土豆,卜) 中成功局部化了内部异常.
  • 对于检测内部结构变化的潜力已被证明.
  • 初步结果表明生物组织成像的可行性.

结论:

  • 微波ISAR是一种可行的技术,用于成像生物标本的内部结构.
  • 开发的测试台和方法对未来的大脑成像有希望.
  • 需要进一步的研究来推进ISAR的临床应用,如中风检测.