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相关概念视频

Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
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单位接收与编码激发用于轻量级高级超声波成像系统.

Ewan Nicolson, David Lines, Ehsan Mohseni

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control
    |May 15, 2024
    PubMed
    概括

    这项研究引入了编码激发与超声波成像单位数据捕获,显著减少数据大小和提高效率. 高分辨率图像以最小的性能损失实现,使各种行业受益.

    科学领域:

    • 材料科学 材料科学 材料科学
    • 工程 工程师 工程师 工程师
    • 信号处理 信号处理

    背景情况:

    • 超声波相位阵列成像系统需要提高速度,数据存储,硬件复杂性和探测器寿命.
    • 当前系统面临的局限性影响工业和医疗应用的效率和可靠性.

    研究的目的:

    • 研究编码激发和单位数据捕获的组合,以改进超声波相位阵列成像.
    • 评估这种综合方法对图像分辨率,信号噪声比 (SNR) 和硬件要求的影响.

    主要方法:

    • 利用编码的激发脉冲和在超声波相位阵列系统中单位数据捕获.
    • 采用脉冲压缩来从低分辨率数据中恢复图像分辨率.
    • 执行相连贯成像 (PCI) 和总聚焦方法 (TFM) 在带有尖端衍射的碳钢样本上.

    主要成果:

    • 尽管使用单位数据,但获得了与传统方法相比较高的SNR图像.
    • 通过编码激发脉冲压缩来证明有效的分辨率恢复.
    • 显示了最小的成像性能下降,数据大小和分辨率显著减少.

    结论:

    • 将编码激发与单位数据捕获相结合,可以提高超声波成像系统的效率和可靠性.

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  • 这种方法允许在低传输电压下从低分辨率数据进行高分辨率成像.
  • 影响包括改进数据压缩,获取,操作员安全以及超声波成像的硬件简化.