很少项目能达到所有的成本、进度、质量和需求的目标，在这种意义上，大多数软件被认为至少是局部故障的。
Most software projects can be considered at least partial failures, in the sense that few projects meet all their cost, schedule, quality, and requirements objectives.
声发射探测技术是监测由局部放电引起的液—固复合绝缘电力设备的突发性故障的有效方法。
Acoustic emission detection technology is an effective way to monitor sudden failure caused by partial discharge (PD) in liquid-solid composite insulation of electrical equipment.
传统的神经网络算法应用于故障诊断时，具有易陷入局部极小值，收敛速度较慢等缺点。
Traditional neural network algorithms are easy to fall into the local minimum, slow convergence when in fault diagnosis.
它可以确定设备整体或局部是正常还是异常，能早期发现故障及其原因，并能预报故障发展趋势。
It can determine equipment whole or local is in normal or abnormal, found early fault and the reasons, and can forecast fault development trend.
由于电力设备工作环境复杂，局部放电信号的检测一直是局部放电研究重要组成部分，影响着进一步的故障诊断。
Because power equipment work in a complex environment, detecting partial discharge signal has been the important part of partial discharge study. Then it affects fault diagnosis of power equipment.
对由故障引起的链路流量的变化，提出了一种启发式算法，该算法对网络进行了局部的改进。
To the change of the flow due to failure, it presents a heuristic algorithm to make local improvement for network.
分形网格维数诊断方法能有效地诊断齿轮局部故障，具有广泛的应用前景。
The testing results indicate that this method can accurately diagnose the local fault of gear and has extensive application foreground.
分析了因变压器套管穿芯引线设计及安装不合理导致的导电回路局部过热性故障，提出了防范措施。
The conductive loop partial overheat fault caused by improper design and installation of the through lead wire in transformer bushing is analyzed. The preventive measures are presented.
小波变换具有良好的时频局部性，具有变焦距的特点，对故障信号中的奇异点能够准确识别，是论文中应用的主要分析方法。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
信息分配系数确定的新方法由于实现了联邦滤波器局部滤波的最优性，从而提高了软故障检测灵敏度。
The new method to determine the optimal information sharing coefficients gives the optimal local filter design, so it improves soft-fault detection sensitivity.
局部放电模式识别是一种高电压设备绝缘故障诊断的有效方法。
Partial discharge pattern recognition is considered as an effective tool for insulation fault diagnosis on high voltage electric equipment.
湍流-切割管道时留下的毛刺使流体产生旋转作用，导致局部侵蚀，从而最终造成故障。
Turbulence - burrs left on the cut tubing causes a tumbling effect causing localized erosion and eventual failure.
XLPE电缆附件局部放电检测技术是诊断XLPE电缆附件故障的有效方法。
Partial discharge on-line detection of XLPE cable accessories is an effective kind of methods of diagnosing faults of XLPE cable accessories.
矿井局部通风设备故障是导致掘进工作面较易发生瓦斯爆炸事故的主要理由之一。
Mine local ventilation facilities failure is one of the main reason which leads to the accident of gas explosions in heading face.
局部放电在线监测是诊断高压电机定子绕组绝缘故障的有效方法之一。
The on line monitoring of partial discharge is an effective approach for diagnosing the faults of stator winding insulations in HV rotating electrical machines.
可重复使用运载器的防热瓦故障会使航天器的局部结构产生热源，并在结构中形成温度场。
The malfunction of thermal protection system on reusable launch vehicle will generate a heat source on the part of vehicle.
在故障工况仿真中摒弃了以往只进行模块局部仿真或小系统仿真的作法，将故障置入正常运行的整个电厂仿真系统中，查看并分析相关参数变化趋势及影响。
Instead of traditionally local or small system simulation, the fault is set into the simulation system for the whole power plant in normal operation so as to analyze the trend of relevant parameters.
矿井局部通风设备系统包含多个组成部分，产生故障的理由和种类较多。
The mine local ventilation facilities incorporates a number of components, involving many types and reasons of the failure.
小波分析(或称小波变换)是一种新的时频分析方法，它具有良好的时频局部化特性，适用于电力系统故障分析。
Wavelet analysis, also called wavelet transform, is a new analysis method with good time frequency localization characteristic, so it is suitable for fault analysis of power system.
大型电力变压器局部放电信号的特征提取是电气设备绝缘在线监测及故障诊断技术领域的前沿研究课题。
The feature extraction of partial discharge signal of transformer is the front research project in online monitoring and diagnosing high voltage insulation failure.
而相邻原机件叶片弦宽尺寸超差，锯齿形工作接触面积小，以及非工作面局部碰磨，是引发故障的次要因素。
Other causes include the out - of - tolerance of blade chord width between adjacent blades, the undersize contact area of serrated working side and the local wearing of non - working side.
对于网络拓扑变化所引起链路故障，采用反向链路故障通告和局部路由恢复相结合的策略进行修复。
The link failure due to dynamic topology can be restored by reverse error report and partial reroute scheme.
接下来提出采用脉冲电流法完成定子放电故障信号的采集，应用基于最小距离法对定子局部放电样本进行故障识别。
And then a method of partial discharge monitoring based on pulse current and a technique of fault diagnosis based on the minimum distance method to stator winding are presented.
局部放电在线检测可以及时反映电力设备绝缘老化情况，是状态监测和故障诊断的重要手段。
Partial discharge (PD) on-line detection can timely reflect the degradation degree of power apparatus, thus becoming a useful technique for condition monitoring and failure diagnosis.
为解除故障，对火焰筒进行了局部冷却结构的改进设计。文中并给出了测试数据。
To cope with such problems, the author recommends an improved design for the combustor local cooling with measuring and test data being given in the paper.
为此，我们面向高频度故障，提出了一个基于原测试流程的局部优化方法，并且还提出了一个以减少诊断所需探针操作次数为目标的启发式故障诊断算法。
In this paper, a local-optimization method oriented to frequently occurring faults is presented. A heuristic fault diagnosis algorithm with fewer probing operations is also discussed.
维修中对设备零部件的更换，使其经常处于局部更新状态，按单元的故障率模型无法计算具有这种特点设备的剩余寿命。
The replacement of some equipment's components makes it in partial update state. The equipment's residual life with such characteristic cannot be calculated by using unit failure rate model.
通过这种集中于故障链路或节点的局部恢复，组播树的快速恢复得以实现。
The fast restoration of optical multicast trees is realized through this part restoration, which focuses on failed node or link.
这些研究结果对于分析和诊断高压变压器内部局部放电的故障性质具有实际意义。
The results are useful to diagnose and analyze properties of partial discharge in transformers.
这些研究结果对于分析和诊断高压变压器内部局部放电的故障性质具有实际意义。
The results are useful to diagnose and analyze properties of partial discharge in transformers.
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