The crack propagation path follows some regularity on the whole.
裂纹扩展路径总体上遵循一定的规律。
In this paper, the fractal effect of crack propagation path on the fatigue behaviors is studied.
研究了分形裂纹扩展对材料疲劳行为的影响。
Propagation path. Point the jam to spreads from the jam source closed path or mediums of the sensitive device.
传播路径。指干扰从干扰源传播到敏感器件的通路或媒介。
This simulation system can visualize the ultrasonic test process, simulate the ultrasonic propagation path and A-Scan.
该系统实现了超声检测过程的三维可视化并对超声波传播路径和A型显示进行了较为准确的模拟。
The martial spirit is the guide of health thought "cure", but easy to understand spirit of wushu propagation path is not much.
我国的武术精神是健康思想的引导“良方”,但简单易懂的武术精神传播路径并不多。
The method is especially useful when line-of-sight clearance cannot be obtained above the surface of the earth for the propagation path.
这种方法在传播路上对不能在地表面上获得视线余隙时特别有用。
The Paper analyzes the conducting EMI propagation path of converter, and presents the working principle of EMI power filter and the design of EMI power filter.
分析了开关变换电路中的传导EM I的传播路径,介绍了EM I电源滤波器的工作原理以及EM I电源滤波器的设计。
The models and computation procedures for determining fracture propagation path were provided, and the software for simulation of fracture propagation was developed.
提出了定向射孔水力压裂裂缝的延伸轨迹计算模型和步骤,编制了裂缝延伸的模拟软件。
The Fourier amplitude spectrum used in a seismological model can be expressed as a product of source spectrum, propagation path factor and site effect in frequency domain.
在频域内,场地的地震动傅立叶幅值谱,可以表示为震源谱、传播路径影响因子和场地效应的乘积。
A whole trace-process framework of requirement change is drawn based on three tiers which are propagation & modeling, propagation path, and trace approach of requirement change.
基于需求信息传播与建模、需求变化信息传播路径和需求变化信息跟踪方法三个层面,阐述了软件变化跟踪的整体过程框架;
We have deduced the upward forward iteration relation for a layered geoelectricsystem by analysing the propagation path of the electromagnetic waves in layeredgeoelectric model.
通过对分层地电模型中电磁波传播的路径分析,我们导出了一种逐层向上的地电系统正演迭代关系。
The fatigue crack initiation life for pipeline connection assemblies is also predicted. The fatigue crack propagation path is analyzed and the fatigue crack propagation life is predicted.
进一步,预估了管路连接件裂纹萌生寿命,预测了裂纹扩展路径并预估了疲劳裂纹扩展寿命。
A typical model to simulate the multi path effects up to three different propagation paths was introduced, more paths 'simulation can be implemented by increasing the number of same units.
介绍了一个模拟最多三个不同传播路径的典型多径效应模型,通过增加相同的单元数目可以实现更多路径的模拟。
An effective evaluation function is constructed, which use the signal line on the propagation path among the fault point and primary outputs. That makes the algorithm has the minimal search space.
该算法基于遗传算法,使用故障信号传播路径上的信号线来构造算法的评价函数,使得算法具有最小的搜索空间。
The structure acoustic radiation caused by longitudinal vibration of shafting is reduced by changing excitation force propagation path and adopting vibration isolator or dynamic vibration absorber.
改变轴系纵振激励传递途径,在轴系上安装纵振减振器或动力吸振器以降低结构水下辐射噪声。
This is the natural path of industrialization: invention, propagation, adoption, control.
这是工业化的自然路径:发明,传播,应用,控制。
The law of least resistance or shortest path of spread of stress wave as well as general propagation model of stress wave are given.
提出了前兆应力波扩展与传播的最小阻力或最短波径定律以及地应力波传播的概略模型。
The total refractivity content along the ray path is an important propagation parameter in space times.
在空间时代,沿射线路径的总折射率是研究电波传播的重要参数。
The basic principle of the path integral formulation for scalar wave propagation in random media is described.
本文叙述了随机介质中标量波传播的路积分解的基本依据。
The influence of the reinforcing steel bar on the path, time and amplitude of the wave propagation are strong.
钢筋对波的传播路径、传播时间以及波幅均会产生较大的影响。
The delay element is in a signal path between the scan input and the input of the flip-flop, and provides a signal propagation delay between the scan input and the input of the flip-flop.
该延时元件在位于该扫描输入端与该触发器输入端之间的信号路径上,并于该扫描输入端与该触发器输入端间提供信号传播延迟。
The influence of different altitudes, different sizes of the inner and outer scale of the turbulence on the scintillation index with Gaussian beam propagation in the slant path is discussed in detail.
讨论了不同传播高度、不同湍流内、外尺度对高斯波束斜程传输闪烁指数的影响。
According to the light propagation theory in turbulent atmosphere, the relation of coupling light power with optical path and turbulence parameters is derived.
根据湍流大气光传播原理,推导出了耦合光功率与光路参数和湍流参数关系式。
Micro characteristic of cracks propagation research: the path of crack propagation in the heat-affected zone and weld metal is the mix of transgranular and intergranular.
裂纹扩展的微观特征研究:在热影响区与焊缝区的裂纹扩展均为沿晶与穿晶混合型。
The wireless propagation environment is described first: analyzing the small-scaled fading, including amplitude fading, multi-path time delay and Doppler spectrum spread.
在本论文中,首先对移动传播环境作了描述,特别是对小尺度多径传播造成的幅度衰落,多径时延和多普勒频移进行了分析;
OFDM is a high transmission technology in the wireless propagation environment. It is fitted to transmit high-speed data in the wireless channel which has multi-path delay and Doppler frequency shift.
OFDM是一种无线传播环境下的高速传输技术,适合在多径传播和多普勒频移的无线信道中传输高速数据。
The wireless channel is usually unreliable, and it mainly suffers from time-varying fading due to multi-path propagation.
它具有由于时变多径传输产生的衰落、时间延迟扩展等有害影响。
Using STSC, propagation delays of the multi-path signal can be estimated and the weights for beam-forming can be determined simultaneously.
STSC可以有效估计多径信号的传输时延,同时捕获自适应波束形成的权值。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落,以及大的多径时延而引起的符号间干扰。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落,以及大的多径时延而引起的符号间干扰。
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