attenuation
英 [əˌtenjʊˈeɪʃn]
美 [əˌtenjʊˈeɪʃn]
n. 衰减；变薄；稀释
复数：attenuations
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
- attenuation in the volume of the sound
双语例句
- 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。 - 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。 - It analyzes breakdown characteristic of the delay-line and estimates height attenuation rate of the pulse transmitted by the delay-line.
分析了该延时线的耐压特性，并对其传输脉冲幅度衰减率进行了估算。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。