attenuation coefficient

The attenuation coefficient of vibrating acceleration is related with the distribution of vibrating acceleration field in slip form paving concrete.

振动密实加速度衰减系数的大小关系到滑模摊铺混凝土中振动加速度场的分布。

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The attenuation correction coefficient influences correction quantity and correctable thickness.

衰减订正系数影响订正量的大小和可订正厚度。

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Study on coefficient k-value of characteristic of coda wave attenuation in shock tendency estimation

震后趋势判断中尾波振幅衰减特征k值的研究

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This method overcomes the difficult and unrealizable experiment conditions that are used to measure the absolute attenuation coefficient and impels the technique of ultrasonic characterization to be more closed to the engineering requirements and more practical.

该方法克服了绝对衰减系数测定法对实验条件要求极为苛刻、难以实现的不足，使得超声表征技术更接近工程条件、更具实用价值。

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Inputting high-frequency and single pulse signal into coaxial line, the time delay and distortion caused by dispersion can be recorded and measured by digital oscilloscope. The line length and attenuation coefficient are achieved.

将高频单脉冲信号输入同轴电缆，借助数字存储示波器记录输入、输出端的波形和相对延时，可以测量传输线的电缆长度和衰减系数，同时观察脉冲波形因色散引起的畸变。

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Natural Desorption Rate and Attenuation Coefficient of Coal Seam Gas and its Significance

煤层瓦斯初始自然解吸速率和衰减系数及其意义

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Optical Time Domain Reflectometer ( OTDR) is an important test equipment used widely in optical fiber communication system for measuring the physical properties of optical fiber including the length, the attenuation coefficient, the connection loss.

光时域反射仪（OTDR）是光纤通信系统中常用的测试仪器，它能够测量光纤的长度、衰减系数、接头损耗等物理特性，而且能够对光纤中接头、断点等事件进行精确定位。

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Both bowknot angle and dissipative angle enhance as the area of hysteresis loop increases, and attenuation enhances as viscosity coefficient of pore fluid increases.

蝴蝶结张角和耗散角的值均随饱和流体黏滞系数的增大而增大，滞后增强，滞回圈面积增大，衰减增大；

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The X-ray attenuation property of solid rocket motor chamber material was described and the testing method for X-ray attenuation coefficient was given. The type, material and location of image quality indicator ( IQI) for radiographic examination of solid rocket motor chamber were proposed.

阐明固体火箭发动机燃烧室材料的X射线吸收特性，给出材料线吸收系数的切向与径向测试方法，提出固体火箭发动机燃烧室X射线探伤像质计类型、材料和放置的建议。

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Analysis of Underwater Target Signal and Its Effective Attenuation Coefficient

水下目标信号特性及其有效衰减系数分析

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