Based on optic fiber testing principle and combined with the experiences in OPGW construction and maintenance,the author summarizes the features of different kinds of optic fiber faults by analyzing the attenuation curves.
基于光纤测量原理并结合施工及运行维护经验,文章从光纤的衰耗曲线出发,分析总结了各种光纤故障反映在测量曲线上的特征,从而为判断光纤熔接的质量和故障定位提供了实用判据,这些方法在施工、验收和维护3个环节上保障了OPGW的安全运行。
The design of reliable high speed communication systems for power line communication (PLC) requires an accurate knowledge of such channel specific characteristics as attenuation, impedance and noise.
为了设计基于电力线通信 ( PLC)的高速可靠通信系统 ,必须了解衰耗、阻抗、噪声等电力线信道特性。
Aiming at oversize attenuation problem of 110 kV Xinsai line high-frequency channel,the work capability of wiring in high-frequency channel is checked,and interference factors of ground backward-wave are analyzed.
针对常州电网110 kV新赛线高频通道衰耗过大的问题进行分析,测试了高频通道上的电器设备工作性能,并分析了地返波干扰因素。
With the consideration of the statistic distribution characters of the rain attenuation in Ka-band satellite channel, a channel model was established based on discrete rain attenuation states, in which the rain attenuation states formed a discrete Markov link denoted by the transition probability.
针对Ka频段卫星信道中降雨衰耗的统计分布特点,建立了基于离散降雨衰耗状态的卫星信道模型,模型中各状态组成离散的Markov链并由其转移概率矩阵来表示,分析此模型下的信道误比特性能和数据包丢失性能。
The effects of rain attenuation and depolarization on 26GHz LMDS are studied and their relationships are formulated.
分析了降雨对26 GHz LMDS产生的降雨衰耗和去极化,并给出了有关的公式。
The research result and the rain attenuation coefficient thus obtained provide valuable reference not only in WLAN and immobile wireless accessibility but also in mobile co.
把晴朗天气的接收功率表达式与降雨时的接收功率表达式进行比较,可以得到降雨衰耗的表达式,进而求得降雨衰减系数。
attenuation box
衰减器箱，衰耗器箱
undamped oscillation [ waves ]
无阻尼[衰耗]振荡
minimum attenuation between output and input
输出与输入间最低衰耗
overall transmission equivalent
全程传输衰耗等效值
The vibration will decay or damp as a result of the dissipation of energy.
振动因能量耗尽而衰减或阻滞。
The frictional dissipation will introduce an exponential decay.
摩擦耗散可导致指数式的衰减。
A disease that gradually weakens or wastes the body.
消耗病使身体逐渐衰弱或消瘦的疾病
The cost of the war had beaten the dingdom to its knees.
战争的巨耗使该王国国力衰竭，一蹶不振。
The fall of Rome may have partially resulted from exhaustion of cropland.
古罗马衰落的部分原因可能是农田的地力耗
STUDY ON GPR WAVE PROPAGATION ATTENUATION BEHAVIORS IN HETEROGENEOUS MEDIUM
有耗介质探地雷达波传播衰减特性的研究
Modeling and simulation of fading and loss for wireless networks
无线网络衰落和损耗的建模与仿真研究
Measurement of Ultra-Low Loss Mirrors by Cavity Ring-Down Technique with Laser Frequency Sweeping
用扫描激光频率腔衰荡对超低损耗镜片的测量
By that is meant the time which elapses before half of the existing atoms have disintegrated or exploded.
这里所指的半衰期是现存原子的一半发生衰变或爆炸所消耗的时间。
This movie demonstrates the phase difference and the amplitude decay of the E and H field in a very lossy medium.
本片演示高损耗介质中电和磁场的相位差及振幅衰减情形。
Analysis of Influence of Decay-Cooling Time on on-Line Burnup Measurement of HTR-PM
冷却衰变时间对球床模块式高温气冷堆在线燃耗测量的影响分析
The Decay of Energy for semi-linear Damping Wave Equation with Strongly Dissipative Terms
一类具强耗散项半线性波动方程解的能量衰减估计
Treatments that regenerate muscle, increase its strength, and protect it from degradation will soon be entering human clinical trials for muscle-wasting disorders.
这种疗法能让肌肉组织再生、加肌肉力量、肌肉免于衰退，将很快在临床试验上医治肌肉耗损症。
This paper determines the propagation constant and the increase of attenuation, due to curvature of the axis of Bragg fibers.
本文从传输损耗的角度出发,导出了Bragg光纤的相位常数及衰减常数的公式。