故障信号

The uniform bounded stable condition of the residual and its to nonlinear perturbations are proved by using Lyapunov function and uniform bounded lemma.

并利用Lyapunov函数和一致有界引理证明了故障检测残差信号的一致有界稳定条件和对非线性扰动的鲁棒性。

Strong communication skill internally and externally; Strong in Problem solving and Decision making;Have good innovation consciousness and customer centricity; 4、Familiar with testing equipment and testing theory of signal testing;5、Acquainted with the hardware technology .

很强的沟通协调、问题解决能力，具有很好的创新意识和客户导向；4、熟练掌握先进的信号测试设备和评测方法；5、具有计算机软硬件问题的分析能力，能够快速定位和分析软硬件故障。

Iii From the point of view of fault diagnosis, the information model is given and the frequency domain, time domain and circular fluctuation characteristic of the cylinder cap vibration signal of diesel engine are analyzed.

分析了样本长度对窗谱校正精度的影响。3、从故障诊断角度出发，给出了柴油机缸盖振动信号的信息模型。

This paper illuminated that the signal non-isolated singularity of close-in faults cannot be characterized by using wavelet transform modulus maximum.

为此，人们相继提出了一系列新型超高速保护，如行波保护t'周、边界保护13，41等，利用线路上的高频暂态信号在sms内判别出故障的方向和区域。

It is defined that the two integrating ways' characteristics of the wavelet NN and theirs applying on the equipments' intelligence diagnose. Wavelet analysis technology has the ability of analyzing strongly the non-placidity signals' time-frequency, self-studying the NN, of dealing with data distributed and collaterally, of mapping non-linear ability, and it is fit for diagnosing failures.

利用小波分析对非平稳信号强的时频分析能力和神经网络的自学习、分布式并行处理数据及非线性映射能力，以及它们适合于故障诊断的特点，说明小波与神经网络的松散型和和紧致型结合途径下产生的两种小波神经网络的各自特点及其在设备智能诊断中的应用。

The validity of the method of cyclic spectrum density is proved by simulating signals and the method is applied to the diagnosis of rolling bearings.

通过仿真信号验证了该分析方法的有效性，并将之应用于泵类滚动轴承的故障诊断中。

The results indicate that the modulators can be discovered through second order cyclic statistics and the faults of the system can be identified.

应用结果表明通过二阶循环统计量能够发现振动信号中的激励源，从而判别系统的故障。

.It is necessary to predict the surging signal, when using transformer's surge analytical method to diagnosticate transformer faults in time and alarm in advance.

变压器振荡分析法中，为了能及时的进行变压器故障诊断及预警，需要预测变压器振荡信号，由于系统的复杂性，非线性，预测难以实现。

Fractal dimension is the simple and effective dimensionless index to reveal the complexity of object.

故障的出现增加了信号的复杂性，而分形维数是描述事物复杂性的简单而有效的无量纲指标。

Lately, in order to meet with the diagnosis requirements of the complex system, the monitor technology turn into the third phase of development (also called intelligent fault diagnosis phase), which is focus on knowledge disposure, combining with signal disposure, the disposure of model construction and the knowledge disposure, with the speedy development of computer technology and artificial intelligence.

近年来，为了满足复杂系统的诊断要求，随着计算机及人工智能的发展，诊断技术进入以知识处理为核心，信号处理、建模处理与知识处理相融合的第三发展阶段——智能故障诊断阶段。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。