attenuation

英 [əˌtenjʊˈeɪʃn]

美 [əˌtenjʊˈeɪʃn]

n.  衰减；变薄；稀释

复数：attenuations　

计算机

BNC.26830 / COCA.25321

英英释义

noun

• the property of something that has been weakened or reduced in thickness or density
• weakening in force or intensity
  1. attenuation in the volume of the sound
  Synonym:fading

双语例句

• The Dispersion and Attenuation Measurement System for Single Mode Optical Fiber
  单模光纤的色散和损耗特性测量系统
• It is showed by theoretical study and tests that existing fluid in porous medium and its movements are main reasons of dispersion and attenuation of elastic waves.
  理论研究和实验表明，多孔隙介质中流体的存在及其运动是弹性波频散和衰减的主要原因。
• Preliminary investigations are made together with site attenuation coefficient, transformation of explosive ene.
  同时结合场地衰减系数、炸药能量转换和减震效应等作了初步探讨。
• In an infrared guidance system, the atmosphere attenuation has an significant influence on infrared detection.
  在红外制导系统中，大气衰减作用对红外探测有重要影响。
• Meanwhile, the existence of the acoustic attenuation coefficient benefits the axial resolution.
  同时，声衰减系数的存在有利于轴向分辨率的提高。
• We also investigate the relationship between the total attenuation coefficient and the energy density, pulse duration, and pulse repetition.
  我们研究了衰减系数和能量密度、脉冲宽度及脉冲频率之间的关系。
• Therefore, there is a perfect compromise between attenuation in stopband and group delay or loss variation in passband.
  因此，它在带外衰减与带内幅度特性和带内群时延特性之间有了一个较好的折中。
• Finally, the L2-disturbance attenuation control of port-controlled time-delay Hamiltonian systems are discussed.
  最后讨论了受控时滞哈密顿系统的L2干扰抑制控制问题。
• When electrical parameter is changd by wet tunnel wall, electromagnetic wave propagation attenuation will vary.
  摘要矿井隧道壁湿润会引起电参数改变，从而使电磁波传播衰减率发生变化。
• The observational ability and attenuation characteristics of a millimeter-wavelength radar are introduced in this article.
  文中简要介绍了毫米波雷达的探测特点及衰减特性；