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Acta Physica Sinica, Volume. 68, Issue 18, 184301-1(2019)

Measurement and compensation of frequency-dependent attenuation in ultrasonic backscatter signal from cancellous bone

Rui Dong1, Cheng-Cheng Liu1、*, Xun-Bin Cai1, Liu-Lei Shao1, Bo-Yi Li2, and De-An Ta2、*
Author Affiliations
  • 1Institute of Acoustics, School of Physical Science and Engineering, Tongji University, Shanghai 200092, China
  • 2Department of Electronic Engineering, Fudan University, Shanghai 200433, China
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    AbstractGet PDF(in Chinese)
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    References (30)
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    Figures & Tables(5)
    Experimental setup for ultrasonic measurements.超声测量实验装置图

    Fig. 1. Experimental setup for ultrasonic measurements.超声测量实验装置图

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    Backscatter signal of cancellous bone sample (ROI, region of interest).松质骨样本的超声背散射信号(ROI, 感兴趣区域)

    Fig. 2. Backscatter signal of cancellous bone sample (ROI, region of interest).松质骨样本的超声背散射信号(ROI, 感兴趣区域)

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    Relationship between the measured frequency-dependent attenuation and the standard frequency-dependent attenuation: (a) the spectral shift method; (b) the spectral difference method; (c) the spectral log difference method; (d) the hybrid method.频散衰减系数测量值与透射法频散衰减标准值的关系 (a)谱移法; (b)谱差法; (c)谱对数差法; (d)混合法

    Fig. 3. Relationship between the measured frequency-dependent attenuation and the standard frequency-dependent attenuation: (a) the spectral shift method; (b) the spectral difference method; (c) the spectral log difference method; (d) the hybrid method.频散衰减系数测量值与透射法频散衰减标准值的关系　(a)谱移法; (b)谱差法; (c)谱对数差法; (d)混合法

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    Frequency-dependent attenuation compensated signal from cancellous bone.频散衰减补偿后的松质骨超声背散射信号

    Fig. 4. Frequency-dependent attenuation compensated signal from cancellous bone.频散衰减补偿后的松质骨超声背散射信号

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    • Table 1. Frequency-dependent attenuation coefficient measurement results.

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      Table 1. Frequency-dependent attenuation coefficient measurement results.

      样本编号透射标准值/dB·mm–1·MHz–1背散射法测量值(相对误差)/dB·mm–1·MHz–1 (%)
      谱移法谱差法谱对数差法混合法
      12.302.74 (19.1)2.82 (22.4)2.77 (20.3)2.67 (16.2)
      22.632.49 (–5.3)2.85(8.3)3.13 (19.3)2.97 (13.1)
      32.822.39 (–15.3)2.97 (5.2)2.78 (–1.4)3.29 (16.6)
      43.063.04 (–0.6)2.77 (–9.4)3.02 (–1.4)3.02 (–1.3)
      53.102.95 (–4.6)2.84 (–8.3)3.39 (9.5)3.12 (0.8)
      63.302.96 (–10.3)3.38 (2.3)2.99 (-9.4)3.35 (1.7)
      74.142.93 (–29.2)3.94 (–4.9)4.21 (1.5)4.32 (4.3)
      84.303.06 (–28.9)4.75 (10.5)3.58 (–16.7)3.61 (–16.0)
      94.374.80 (9.8)3.89 (–11.0)3.66 (–16.2)4.75 (8.7)
      104.375.10 (–16.9)4.19 (–4.2)3.36 (–23.1)4.25 (–2.7)
      114.523.89 (–13.9)4.35 (–3.7)3.87 (–14.3)4.79 (6.0)
      124.835.35 (10.9)4.19 (–13.2)4.53 (–6.1)4.69 (–2.7)
      135.294.42 (–16.5)5.68 (7.3)6.08 (14.9)5.18 (–2.0)
      145.505.18 (–5.8)4.38 (–20.0)4.19 (–23.8)5.00 (–9.0)
      155.644.73 (–16.2)5.75 (1.9)3.96 (–29.9)5.08 (–9.9)
      166.196.02 (–2.8)5.25 (–15.3)4.79 (–22.6)4.76 (–23.1)
      平均值 (标准差)4.14 (1.14)3.88 (1.15)4.00 (0.98)3.77 (0.84)4.05 (0.85)
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    Rui Dong, Cheng-Cheng Liu, Xun-Bin Cai, Liu-Lei Shao, Bo-Yi Li, De-An Ta. Measurement and compensation of frequency-dependent attenuation in ultrasonic backscatter signal from cancellous bone[J]. Acta Physica Sinica, 2019, 68(18): 184301-1

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    Paper Information

    Received: Apr. 23, 2019

    Accepted: --

    Published Online: Jun. 28, 2020

    The Author Email: Ta De-An (tda@fudan.edu.cn)

    DOI:10.7498/aps.68.20190599

    Topics

    Nuclear physics
    Particles and fields
    Particle and nuclear astrophysics and cosmology