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
- 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 attenuation peaks of saturated rocks vary with the viscosity of fluid.
饱和岩石具有衰减峰,其特征随饱和液体黏性而变化。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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; - 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。