These changes are called attenuation.
这些变化称为衰减。
When covered by your hand, this antenna suffers from attenuation.
当你用手覆盖了这个点，天线信号就会衰减。
A new method of precise measurement of optical fiber attenuation.
一种新的精确测试光纤衰减方法的探讨。
Expresss the factors resulting in the attenuation of acoustic waves.
请陈述导致超音波衰减的各项因素。
Attenuation is the result of two processes: scattering and absorption.
衰减是两个过程的结果：散射和吸收。
The attenuation weak spot is the black strip in the lower left corner of the band.
天线的衰减弱点就是钢圈左下角的黑色覆盖物。
The filter selectivity and stopband attenuation can be easily specified or controlled.
所设计滤波器的选择性和阻带衰减可预先给定并易于控制。
The attenuation of neutrons from a nuclear explosion involves several different phenomena .
核爆炸中子的减弱包括几种不同的现象。
In any case, always short wavelength signal attenuation by this process, enhanced long-wavelength signal.
在任何情况下，短波长的信号总是被这种过程所衰减，同时长波长信号得到增强。
However, it is not trivially easy to use this property for the attenuation of the detected surface-waves.
然而，利用这种性质来衰减观测的面波并非十分容易。
Two kinds of program control signal attenuation circuits, which are used in circuit design, are introduced.
本文介绍线路设计中所应用的两种程控信号衰减电路。
Wave attenuation properties of rectangular pontoon breakwater were analyzed with eigen - function expansion.
利用特征函数法对矩形浮箱式防浪堤的消浪性能进行分析。
Some (Apple included) have pointed out that all phones suffer some signal attenuation when held near the antenna.
一些人(包括苹果公司)指出，只要握在天线附近，所有的手机都会出现信号衰弱的问题。
It adopts enveloping technology of fluorescent powder to reduce attenuation of tri - phosphor fluorescent powder.
采用荧光粉包膜技术，减少三基色荧光粉的衰减。
And the attenuation studies of seismic wave in the laboratory have provided studying base for the mechanism studies.
而实验室中对地震波衰减的研究为衰减机理提供了研究基础。
The panels are lightweight and environmentally sound (they are totally recyclable) and provide some noise attenuation.
这些板材具有轻质、环境友好(可完全重复利用)和隔声吸音的性能特点。
Combined with the problems during the experiment, design a improved testing circuit of Direct Current Attenuation Method.
结合试验过程中遇到的问题，给出了改进的直流衰减法测试电路。
A displacement optical fiber sensor was used for dynamic measuring the relationship between attenuation and displacement.
测量中使用了光纤位移传感器，对衰减与位移的关系进行了动态测量。
The seating was steeply sloped in these structures, typically 2:1, which afforded good sight lines and reduced grazing attenuation.
剧场的座位是急剧倾斜的，通常为2：1的坡度，给予观众们良好的视线并且减少了掠射衰减。
According to the designing demands, such as bandwidth, stop-band attenuation, the optimization software can optimize the diplexers.
此软件能根据一定的技术指标要求(如带宽、带外衰减等)，优化出双工器最佳参数。
"Gripping any phone will result in some attenuation of its antenna performance, depending on the placement of the antennas," he said.
“任何手机拿在手里，信号都会受到影响，取决于天线的位置，”他说。
Comprehensive curve pattern, attenuation coefficient and the relationship of plane position and geological abnormity had been conducted.
研究了综合曲线的形态、衰减系数大小，平面位置与地质异常体的类型定性关系。
How to control the attenuation of the beer reasonably and accurately is studied from fermentation control with the quantitative concept.
本文从发酵控制的角度，用“量”的概念阐述了如何合理、准确地控制发酵度的问题。
Optical fiber has several advantages over copper wiring, including less susceptibility to interference, less attenuation, and greater bandwidth.
与铜缆相比，光缆具有多种优势，包括抗干扰性、低衰减和更高的带宽。
Theoretical analysis shows that the progressive failure of the surrounding rock of opening is mainly caused by strength attenuation and creep mass.
理论分析说明，巷道围岩的渐进破坏主要是岩体强度衰减和蠕变性质影响的结果。
The existence of various lacunas in bolt bonding system will cause the acoustic wave energy attenuation, phase aberration and frequency dispersion.
由于锚固体系中有不同大小和程度的缺陷，声波在传播过程中将产生能量衰减、相位突变及频散现象。
The existence of various lacunas in bolt bonding system will cause the acoustic wave energy attenuation, phase aberration and frequency dispersion.
由于锚固体系中有不同大小和程度的缺陷，声波在传播过程中将产生能量衰减、相位突变及频散现象。
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