This paper describes the measurement procedure of ultrasonic attenuation coefficients and ultrasonic velocity tomography.
本文对超声衰减系数和超声声速断层成像的测量过程进行了描述。
2
In this paper the tomography algorithm of concrete by ultrasonic CT is studied.
本文主要研究了应用超声ct对混凝土内部进行层析的算法。
3
The misdiagnosis rate in clinic was higher. It is helpful in the diagnosis of this disease to take B-Ultrasonic examination (B-US), Computerized Tomography (CT) and especially pathologic examination.