屏蔽层

关于电缆半导电屏蔽层电阻率试验的研究

Investigation on the Measurement of Semiconductive Screen in XLPE Power Cables

XLPE电力电缆线芯屏蔽层的可靠性

Reliability of XLPE Power Cable Conductor Screen

通信电缆屏蔽层EMC接地设计分析

Analyse for EMC grounding of the shielding layer of cables

点源γ光子穿越特定形状屏蔽层的MonteCarlo计算与模拟

Monte Carlo calculation and simulation for point radioactive source γ photons traversing specific shape shielding layer

用FDTD法分析散热片屏蔽层对耦合电容的时频特性影响

Analysis of shielding effect on coupling capacitance between heatsink and power electronic device by FDTD method

基于此仿真模型，利用MATLAB进行了一系列的仿真运算，定量分析了电缆间距、电缆距地高度以及屏蔽层不同接地方式对串扰的影响。

A series of operations were simulated in MATLAB and the effect on crosstalk of spacing , height and different earthing patterns was obtained in quantitative analysis .

低温绝缘（CD）高温超导电缆屏蔽层电流对超导电缆导体和屏蔽电流分布的影响

The Influence of Shield Current on the Current Distribution in the Superconducting Conductor and Shield in of Cold Dielectric ( CD ) High-Temperature Superconducting ( HTSC ) Cables

USB可以在2种数据速率下工作：全速为12Mbit/s，要求使用带2条电导线和双绞信号线的具有屏蔽层的电缆；

USB can operate at two speeds . Full speed , 12 Mbit / s , needs shielded cable with two power conductors and twisted pair signal conductors .

所述用于显示设备的滤光器包括基膜层，电磁干扰（EMI）屏蔽层，和树脂层。

The filter for the display apparatus includes a base film layer , an electromagnetic interference ( EMI ) shielding layer , and a resin layer .

35kV单芯电缆金属屏蔽层截面选择应注意的问题

The selection of section of metal shield layer of single core cable

SPRR-300反应堆混凝土屏蔽层内中子注量率分布研究

Study on neutron flux distribution in concrete shielding of the SPRR-300 reactor

10kV单相电力电缆屏蔽层的感应电压和环流

The Induced Voltage and Circulating Current in the Metal Shield of 10 kV Single Phase electrical Cables

在源室和BGO探测器之间加一屏蔽层，使得信噪比提高；

A shield layer has been added between the fountain room and BGO detector in order to increase the signal-to-noise ratio .

在此模型基础上，进行了敏感场的仿真分析，并对实际EMT系统的屏蔽层进行了优化设计。

Base on the simulation model , the sensitive field of EMT is analyzed and the electromagnetic screening is optimum-designed for an EMT system .

介绍了一种针对高速屏蔽层下弱反射层地震勘探方法&广角反射（WAR），并且对广角反射地震波特征及其影响因素作了较为深入的讨论。

A seismic survey method called wide angle reflection ( WAR ) used for exploration of weak reflectors below shielded layer of high velocity was described in this paper . The author analyses rather thoroughly the characteristics and influencing factors of seismic waves of WAR .

K-600中子发生器屏蔽层外中子剂量分析

The neutron dose distribution outside the shielding of K-600 neutron generator

本文从基本的电磁波传播理论出发，考虑了电磁波在屏蔽层中的反射、衰减及多次反射，提出了多层复合材料屏蔽效能（ShieldingEfectivenes，简称SE）的理论模型和计算公式。

This paper given a method which can calculate the shielding effectiveness ( SE ) of multilayered composite material . Based on the basic propagation theory it deals with reflection , attenuation and re-reflection in the layers .

然后，结合二次电缆的结构和二次电缆屏蔽层的抗电磁干扰原理，建立电磁干扰原理的电路模型，并使用PSpice电路仿真软件进行仿真实验分析。

Secondly , based on the structure of the secondary cables and the theory of the electromagnetic anti-interference in shields , the circuit models ware built and simulated in PSpice .

分析了两起10kV单相电力电缆因金属屏蔽层中环流引起的故障。

In this paper , two cable faults , due to circulating current in metal shield of electrical cables , are introduced .

一个完整的2D玄武岩模型的模拟试验证明了利用低频信号可以提高高速玄武岩屏蔽层下深层成像的质量，实际资料的低通滤波处理也取得了预期的效果。

The simulation experiment of a complete 2D basalt model confirms that the low-frequency signals can be used to boost the quality of deep-layer imaging under the high-velocity basalt layer and achieve good results in low-pass filter processing of actual data .

老卡皇GSKY没有加装屏蔽层。

GSKY the old card did not install shield .

由于电缆的金属屏蔽层交叉互联，无法通过直接测量得到每根电缆的泄漏电流和tanδ，也就很难准确评判电缆的绝缘状况。

Because the metal shield layers of the cable is crossing , the leakage current and tan δ of a single cable cannot be obtained through direct measuring . So it is impossible to judge accurately the situation of the cable insulation .

最后对XLPE电缆中局部放电老化进行了理论研究。3、应用接地线电流法重点研究金属屏蔽层单端接地XLPE电缆绝缘在线检测方法。

Finally , partial discharge of XLPE cables to the theoretical study of aging has been studied . 3 、 It is Single-ended earthing of metal shield layer XLPE cable insulation on-line detection which is made focus research on with Grounding Current .

通过计算给出了60kW的电子束强流电子枪常用材料屏蔽层的线性厚度。

The linear thickness of shield layer used to 60 kW strong-current electron gun of electron beam has been calculated in the paper .

钢带屏蔽层能够有效地降低雷电电磁脉冲中较高频率分量的作用，从而使控制电缆雷电感应电压400kHz～1MHz的频率分量大幅度减少。

Steel shielding layer can effectively reduce the role of the higher frequency components in lightning electromagnetic pulse , So 400kHz ~ 1MHz frequency components of lightning induced voltage on buried control cable are significantly reduced .

介绍并分析了两起因35kV单芯交联聚乙烯绝缘电力电缆铜屏蔽层开断而引起的电缆烧坏事故，认为要重视铜屏蔽层直流电阻或铜屏蔽层感应电压和电流的检测。

Two burnt cable accidents caused by broken copper shield were analysed . The cable was 35 kV single core XLPE power cable . The result indicated the importance of the tests for DC resistance of and induced voltage and current in copper shield .

结果表明：在电缆屏蔽层上叠加50V的交流电压（频率为101Hz）时，可检测到微小的频率为1Hz的特征电流，且该特征电流随水树枝劣化而增大。

The results show that if 50V ac voltage ( frequency for 101Hz ) is plused on the cable shielding layer , 1 Hz tiny feature current can be detected , and the characteristic current increases with water tree deterioration getting futher .

屏蔽层还能使电压波动趋于平坦。

Moreover , the shielding layer can flat the voltage fluctuation .

高速屏蔽层下地震数据的采集

Seismic acquisition analysis in the area of high velocity shielding layers

具有屏蔽层的多芯电缆部分电容的数值分析

Numerical analysis of partition capacitance of long multicore h - cable