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

• This paper studies the relations between "time-domain attenuation" and sea state or wave height, center frequency or transmitting range.
  研究了浅海声信道“时域衰落”与海况、波高、中心频率和作用距离的关系。
• 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。
• 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。
• 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；
• Intensity error from the fluctuation of the light source and fiber attenuation are eliminated by intensity compensation.
  实验时采取的参考光强度补偿的措施，消除了光源、光纤衰减等波动对测试结果的影响。
• Pulsed echo ultrasonoscope Express the factors resulting in the attenuation of acoustic waves.
  回波反射式超声诊断仪请陈述导致超音波衰减的各项因素。
• 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。
• 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 attenuation spectrum of ultrasonic waves through the slurry may provide the information about particle size distribution.
  利用超声衰减谱的测量，可以获得泥沙中颗粒粒度分布信息。
• Ultrasonic transmission attenuation characteristic in muscular tissue is discussed in this paper.
  探讨超声对肌肉组织超声传输特性。