Broadband ultrasound attenuation measurement of long bone using peak frequency of the echoes

Zheng R.; Le L.H.; Sacchi M.D.; Lou E.

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Broadband ultrasound attenuation measurement of long bone using peak frequency of the echoes

机译：使用回波的峰值频率对长骨进行宽带超声衰减测量

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The traditional peak frequency formulation requires the knowledge of the signal wavelet. We improved and applied the method to estimate attenuation for homogeneous silicon rubber and bovine cortical bone without recourse to the wavelet assumption. The estimated values for rubber and bone samples are 6.59 Â± 0.28 dB/MHz/cm and 4.59 Â± 1.09 dB/MHz/cm, respectively, as compared with 6.33 Â± 0.19 dB/ MHz/cm and 5.00 Â± 1.10 dB/MHz/cm, respectively, by the spectral ratio method.

机译：传统的峰值频率公式需要了解信号小波。我们改进并应用了该方法来估计均匀硅橡胶和牛皮质骨的衰减，而无需求助于小波假设。橡胶和骨骼样品的估计值分别为6.59±0.28 dB / MHz / cm和4.59±1.09 dB / MHz / cm，分别为6.33±0.19 dB / MHz / cm和5.00±1.10 dB /频谱比法分别为MHz / cm。

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《Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on》 |2009年第2期|p.396-399|共4页
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Zheng R.; Le L.H.; Sacchi M.D.; Lou E.;
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Broadband ultrasound attenuation measurement of long bone using peak frequency of the echoes

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