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
- 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 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 - 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。 - 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。 - 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。 - 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。 - Then, the influences of some parameters on phase speed and attenuation are analyzed.
给出了圆柱管的一些参数对相速度和衰减的影响。 - The attenuation measurement error due to RF leakage in a single channel and a dual channel microwave attenuation measurement system is investigated.
研究了单通道和双通道微波衰减测量系统中的射频泄漏所导致的测量误差。 - Signal attenuation in the power line environment is often great, and unpredictable.
信号衰减在输电线环境经常是伟大和变化莫测的。 - 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。
