Broadband Ultrasound Attenuation Measurement of Long Bone Using Peak Frequency of the Echoes

被引：7
|
作者：
Zheug, Rui [1 ]
Le, Lawrence H. [1 ,2 ]
Sacchi, Mauricio D. [1 ]
Lou, Edmond [3 ]
机构：
[1] Univ Alberta, Dept Phys, Edmonton, AB T6G 2G8, Canada
[2] Univ Alberta, Dept Radiol & Diagnost Imaging, Edmonton, AB T6G 2B7, Canada
[3] Glenrose Rehabil Hosp, Edmonton, AB T5G 0B7, Canada
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2009年 / 56卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
CANCELLOUS BONE; SHIFT; TOMOGRAPHY; DEPENDENCE; DENSITY;
D O I：
10.1109/TUFFC.2009.1049
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
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 +/- 0.28 dB/MHz/cm and 4.59 +/- 1.09 dB/MHz/cm, respectively, as compared with 6.33 +/- 0.19 dB/MHz/cm and 5.00 +/- 1.10 dB/MHz/cm, respectively, by the spectral ratio method.
引用
收藏
页码：396 / 399
页数：4
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