• Furthermore, the attenuation of the guided wave can be scaled by the energy factors.

    衰减可以能量因子来衡量。

    dict.cnki.net

  • Lastly, some new techniques of numerical analysis and signal processing for guided wave n...

    论述检测技术领域数值分析方法信号处理方面一些技术。

    dict.cnki.net

  • Ultrasonic guided wave testing is widely used for the inspection of buried pipelines at present.

    介绍超声检测埋地管道特点和应用。

    www.dictall.com

  • The designing of hybrid integrated guided wave optical wavelength multiplexer and divider is presented.

    设计了一种混合集成波导波长合波-功率分路

    www.dictall.com

  • Third- order nonlinear phenomena and their potential applications in guided wave structures are reviewed.

    本文评述发生波导结构内的三次非线性光学现象及其潜在的应用

    dict.cnki.net

  • This paper describes the basic principles of the guided wave inspection and the application cases of guided waves in CSEI.

    文中介绍了管道导检测基本原理应用案例

    lib.cqvip.com

  • The finite element method is used to investigate the effect of a time reversal method on the guided wave inspection in pipes.

    为克服现有导检测技术对管道小缺陷检测的不足,给出了一种基于时间反转理论的管道缺陷超声导波无损检测方法

    www.dictall.com

  • Dispersion and attenuation characteristics of torsional modes of ultrasonic guided wave in pipe with viscoelastic coating are investigated.

    研究带有粘弹性包覆层管道超声扭转模态频散及其衰减特性

    www.dictall.com

  • The guided wave transducers are developed and used for NDT of the economizer in fossil plant, which have feature of quick inspection and low cost.

    实践证明采用超声技术检测小径管,定位准确,速度快,成本

    dict.cnki.net

  • Based on the ultrasonic guided wave technique and the dispersive waveform prediction method, a method about how to image defects in pipes is presented.

    传播理论波形预测理论基础,研究了超声导波在检测管道时,如何利用时域波形重构缺陷图像的问题。

    dict.cnki.net

  • Based on the theory of elastodynamics, the longitudinal guided wave and flexural guided wave group velocity dispersion curves for M22 stud were calculated.

    根据弹性动力学理论,采用纵向弯曲导波相结合的方法柱所受轴向应力进行无损检测。

    www.dictall.com

  • All that involved in the paper are analysis and summary of some operation situations of the said pipeline detection with the ultrasonic guided wave process.

    超声检测技术天然气集输站场管道检测中遇到的一些情况进行分析总结

    lib.cqvip.com

  • The analyses of the scattering characteristics of some 3-D dis-continuity problems in guided wave structures verify the effective and reliability of the present method.

    用这种方法结构三维不连续性散射问题分析证实了它的有效性可靠性

    dict.cnki.net

  • The extraction efficiency of organic light-emitting diode(OLED) is restrained by the high fraction of energy of the guided wave in the high-index materials(ITO/organic).

    有机发光二极管OLED)发光效率很大程度上受到器件中高折射率材料ITO/有机物)对导波光能量制约。

    dict.cnki.net

  • In view of dispersion, the application of guided wave NDT of pipe based on magnetostrictive effect was analyzed by the combination of numerical simulation and experimental research.

    利用数值模拟和实验研究两种手段,从频散角度分析基于磁致伸缩效应无损检测技术在圆检测中的应用

    www.dictall.com

  • Based on the wavelet transformation and the theory of modal acoustic emission, the dispersion of guided wave propagated in thin plate was investigated by acoustic emission experiment.

    基于变换发射理论通过模态声发射试验方法确定管道中导传播频散特性

    www.dictall.com

  • The compact 4-component 2-D finite-difference frequency-domain algorithm (2-D CFDFD) is one of the effective methods to calculate the propagation properties of ideal guided wave structures.

    四分量紧凑格式二维域有限差分(2-DCFDFD算法求解理想结构传输特性有效方法之一

    www.boshuo.net

  • The investigation about application of the two signal processing methods to guided wave inspection signals supplies new realization basis for the signal processing of guided wave inspection.

    两种信号处理方法超声应用研究以后导波信号的处理提供新的实现依据。

    dict.cnki.net

  • Based on previous study on the guided wave propagated in the pipeline, the main of this paper is to do experimental study on damage detection in pipes using ultrasonic guided waves technique.

    本文前人管道传播理论基础上,重点对管道进行损伤检测实验研究

    www.fabiao.net

  • The guided wave optical method can be applied to measurement of characteristic parameters of optical thin films, but usually can only be carried out under the conditions of single wavelength.

    波光学方法能够用来测量光学薄膜特征参数通常单一波长条件进行

    dict.cnki.net

  • The mechanism of zigzag dispersion curves in the Rayleigh wave exploration is theoretically analyzed. The propagation characteristics and interrelation of the guided waves are studied thoroughly.

    瑞利勘探“之”字形频散曲线形成物理机理进行理论分析,研究了诸波模的传播特性相互关系。

    http://chazidian.com

  • Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward.

    运用波动经典理论提出金属嵌入截面传播波速改变等效弹性模量”的概念

    118.145.16.223

  • The current domestic and abroad research status is discussed firstly, and the guided wave mode and exciting method used in pipeline crack detection is determined by disperse curve and wave structure.

    首先介绍管道检测技术国内外研究现状然后利用频散曲线结构确定了管道裂纹检测所用的导波模态激励方式

    www.boshuo.net

  • Thick wall pipes are the core component of so called "four pipe" system for thermal power. It is important to apply circumferential guided wave technique to nondestructive testing of thick wall pipes.

    管道火电机组四大管道系统核心部件将超声技术应用于厚壁管道的无损检测显得十分重要。

    sylx.ustc.edu.cn

  • The boundary between the two areas acts as a wall, capable of reflecting a guided EM wave on the graphene much like one would in a three dimensional space.

    两个区域边界像是反射被引导电磁波; 这和空间中的墙是类似的。

    article.yeeyan.org

  • As the heat feeds back to the fuel coating, a thermal wave is created that is guided along the nanotube.

    随着纳米管里热量反馈燃料涂层上一种沿着纳米管移动的热波产生了。

    article.yeeyan.org

  • The pressure drop of the combined wave guided valve trays were comprehensively studied based on the survey of the important valve trays nowadays.

    深入调研当前重要基础全面研究组合波纹导向浮阀塔板性能。

    www.dictall.com

  • Millimeter wave circuits for precise guided weapons and channelized receivers are discussed in this paper.

    讨论了毫米波武器信道化接收机中的集成电路

    dict.cnki.net

  • To use separation of goal signal and wave filter, the guided precision can be improved.

    采用目标信号分离滤波进一步提高制导精度

    dict.cnki.net

  • To use separation of goal signal and wave filter, the guided precision can be improved.

    采用目标信号分离滤波进一步提高制导精度

    dict.cnki.net

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定