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

• A brief review is given in this paper for sound attenuation in turbid water.
  对混浊水声衰减作了简要的综述。
• 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。
• It has a rather high transmission frequency and low attenuation.
  具有较高的传输频率和较低的衰减。
• 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。
• Two new medium parameters related to acoustic attenuation are introduced and an acoustic propagation coefficient is defined.
  本文引入两个与声衰减有关的介质参量，定义了声传播系数；
• The problems of atmospheric attenuation, light intensity fluctuation and beam alignment in laser transmission have become one of the bottlenecks restricting communication distance and performance.
  激光传输中的大气衰减和光强起伏问题及光束对准问题已经成为限制通信距离和性能的瓶颈之一。
• 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。
• Tracking control and disturbance attenuation is the basic control in actual project.
  跟踪控制和扰动抑制是广泛存在于工程实际中的一类基本控制问题。
• The spectra below indicate the attenuation of each optical fiber type used in our optical fiber assemblies.
  下面的光谱说明了我们的光纤附件中使用的各种光纤类型的衰减情况。
• A Study on the Relations of the Surface Attenuation with the Surface Velocity and Seismic Signal Frequency
  表层吸收衰减与表层速度及地震信号频率关系研究