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.
Scientific reports
|October 6, 2025
概括
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.
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.
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