Comprehensive curve pattern, attenuation coefficient and the relationship of plane position and geological abnormity had been conducted.
研究了综合曲线的形态、衰减系数大小，平面位置与地质异常体的类型定性关系。
In this paper, the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.
本文介绍利用超声共振法测量声速和声衰减系数的原理及自来水和乙醇的测量结果。
After measuring the velocities of many fragments and the flying Angle, the coefficient of velocity attenuation can be calculated.
可以通过测量多个破片的飞行速度与飞行姿态角，推导出速度衰减系数。
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