软件失效预测中的一个普遍问题是数据中噪声的存在。
A common problem in software fault prediction is presence of the noise in the data.
软件失效预测中的一个普遍的问题是数据中存在噪声,而神经网络具有鲁棒性并对噪声有很强的抑制能力。
A common problem in software faults prediction is the presence of noise in the data. Neural Networks are robust and have a good noise tolerance.
该文介绍了一种基于人工神经网络的软件失效预测模型,给出了基于反向传播算法的多层前向网络的网络结构。
This paper presents a kind of software faults prediction model based on artificial neural network and the structure of the feed-forward multi-layer network with backpropagation learning algorithm.
讨论了静态型继电器应用于电力系统继电保护后,在可靠性方面出现的一些新问题,分析了产生这些问题的原因,并提出了继电器选型、产品失效预测方面的建议。
A discussion on the reliablilty of static relays is made in this thesis , because some new problems have arisen after static relays are applied on the relay protection of electric system .
其中的教训是,无法应对结构性突变的预测方法,会几乎无限次地失效。
The lesson is that a forecasting technique that cannot deal with structural breaks is a forecasting technique that can misfire almost indefinitely.
利用这种设计计算方法还可以预测曲柄销的失效概率。
This method can also be used to predict the failure probability of the crank pin.
对有关等离子喷涂陶瓷涂层的性能、失效机理和寿命预测模型进行了综述。
The paper gives a review on properties, failure mechanism and life prediction models of plasma sprayed ceramic coatings.
蠕变孔洞与蠕变失效的关系非常密切,以蠕变孔洞预测使用寿命是可靠的。
The relationship of creep void and creep failure is very close. Predicting service life by creep void is quite reliable.
为了预测跌落碰撞下球栅阵列(BGA)封装中无铅焊点的失效,采用ABAQUS软件来模拟跌落碰撞过程中焊点的应力分布。
In order to predict failure location of BGA lead-free solder joints under a drop impact, ABAQUS software is used to analysis stress distribution of the solder joints.
探讨了失效机理,介绍了有关寿命预测模型的研究成果。
The failure mechanism is approached and the life prediction models are introduced.
通过计算可以预测池火灾发生时任意点处的失效后果,以便采取必要的防范措施。
The consequence of failure in any place may be predicted by calculation when pool fire occurs, so that necessary preventive measures can be taken.
依混凝土保护层碳化失效概率,提出了既有混凝土桥梁耐久性预测的一种简便方法。
According to the failure probability on carbonization of the concrete cover, a simple method of durability prediction is proposed for the existing concrete Bridges.
对数累积损伤模型作为—个失效判据,已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
Used as a fatigue failure criterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.
从而能对因接触不良导致的接触失效作出合理预测。
Thereby, the failure from contact badness can be predicted reasonably.
通过机理理论的研究,建立涂层寿命模型及预测专家系统是涂层失效研究的最终结果。
It was concluded that an appropriate coating life model and an expert system for life prediction should be set up on the basis of further research of failure mechanism of coatings.
根据信号历史记录值,通过特定的预测算法可以获得链路失效时间的预测值。
The prediction is based on the signal history of a link and activated by a prediction algorithm.
该模型可以用来分析炉管失效的原因,预测炉管的损伤程度及剩余寿命,为炉管损伤分析和及时更换炉管提供科学依据。
This model can be used to analyze the failure and to predict the damage and the residual life of the tube. It is helpful for the tube exchanging in time.
在可靠性工程中,运用灰色控制系统的理论,本文提出了一种寿命分布服从威布尔分布的产品失效时间的预测方法。
In reliability, the theory of Grey Sistems Control is used. In this paper an estimated method of the failure time of the product with the Weibull distribution is presented.
本文提出了一种其寿命分布服从指数分布的产品失效时间的预测方法。
In this paper, an estimated method of the failure time of the product with the exponential distribution is presented.
该程序可以较大程度地提高最终失效载荷的预测精度,为复合材料层合板结构的设计和使用提供了有力的技术支持。
The predicted precision of ultimate strength may be improved by the program, which provides technical support for the design and use of laminated composites.
接着,分别对每台机器的这几个主要因素失效时间进行分析,找出每台机器的大概故障周期,预测失效将要发生的时间。
After that, separately analyze each machine with these primary factors, discover the general breakdown cycle on each machine, forecast the time which failure is going to occur.
该技术对检测和预测材料的疲劳性能和失效有重要意义。
The technique is important and useful to detect and predict the fatigue properties and failure of materials.
由于重复压裂气井原有裂缝的失效程度难以评价,导致重复压裂气井的产能预测常常有很大的误差。
It is difficult to evaluate the failure extent of previous fractures in refractured gas Wells, which results in a big error in productivity prediction.
推导了新建边坡在未来服役时间内的年失效概率的计算公式,并对现役边坡在未来服役时间内的年失效概率进行了预测。
The annual probability of failure for new slopes is deduced; and an approach is presented to predict the annual probability of failure for existing slopes within next service time.
在软件开发的早期预测有失效倾向的软件模块,能够极大的提高软件的质量。
Predicting the fault-prone software module early in the software development can improve the software quality significantly.
由于对重复压裂井原有裂缝失效程度的难以评价,重复压裂井的产能预测常常有很大的误差。
Prediction results of productivity of refracturing Wells often has large error because the effectiveness failure of the previous fractures in refracturing Wells is difficult to evaluate.
由于对重复压裂井原有裂缝失效程度的难以评价,重复压裂井的产能预测常常有很大的误差。
Prediction results of productivity of refracturing Wells often has large error because the effectiveness failure of the previous fractures in refracturing Wells is difficult to evaluate.
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