一个多复合的32 × 32 2D矩阵阵列传感器,用于灵活的亚孔体积超声波成像
IEEE transactions on bio-medical engineering
|September 27, 2023
概括
这项研究引入了一种新的多重复合矩阵阵列用于3D超声波成像,改善空间分辨率和信号质量. 新的设计使高性能,灵活的体积超声波成像使用一个具有成本效益的系统.
科学领域:
- 超声波技术的超声波技术
- 医学成像医学成像
- 材料科学是一种材料科学.
背景情况:
- 完全采样的2D矩阵阵列对于3D超声波至关重要,但面临性能和系统挑战.
- 目前的复杂化方法使用固定的子光圈,由于差距限制了灵活性和图像质量.
研究的目的:
- 开发一种高性能多重矩阵阵列,用于灵活高质量的3D超声波成像.
- 引入一个与低成本系统兼容的亚光圈体积成像方法.
主要方法:
- 设计了一种1 - 3形复合材料,无间隙的子孔径矩阵阵列,具有优化的匹配层.
- 开发了一种亚孔径体积成像方法,并通过模拟和实验调查成像参数.
- 制造了一个3.4 MHz矩阵阵列,带宽>70%.
主要成果:
- 新方法使空间分辨率提高了10%,信号与噪声比提高了19%.
- 与固定亚光圈阵列相比,对比度与噪声比率增加了57.7%.
- 通过256通道系统展示了高质量的3D超声波成像.
结论:
- 拟议的无间隙复合矩阵阵列和成像方法为先进的3D超声波提供了一种新策略.
- 通过低成本系统实现了高性能,灵活的体积成像.
- 克服了固定次孔设计的局限性,以改善超声波诊断.
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