查询词典 fault analysis

Key words: SMS4; differential analysis; differential fault attack; fault model; difference distri bution table

因为实际中故障发生的字节位置是不可能完全平均的，所以实际攻击所需错误密文数将略大于理论值；文中的实验结果也验证了这一事实，恢复SMS4的128bit种子密钥平均大约需要47个错误密文。

Remote state monitoring and fault diagnosis technology , is not only the integration of network technology, computer technology, signal analysis and fault diagnosis technology, but also the result of production requirement and development of science and technology.

远程监测及故障诊断技术是网络技术、计算机技术、信号分析以及故障诊断技术的结合，是生产发展的需要和科技发展的必然结果。

Use the data of circuit breaker on-line working conditon monitoring of ShaoXing Power Bureau, applicate wavelet analysis theory and all kinds of signal dispoing methods, focus on vibration signal and winding electric current wave, at last, provide the fault diagnose result of circuit breaker, and build circuit breakers standard finger library and fault finger library.

利用绍兴电力局提供的断路器在线监测数据，应用小波分析理论和各种信号处理方法，重点分析振动信号与线圈电流波形，给出断路器的故障诊断结果，并建立起断路器的正常指纹库和故障指纹库。

Based on the analysis of fault feature of teed circuit of parallel transmission line s, a new fault line selecting method is proposed.

针对T型线路中出现同杆双回线的线路结构，提出了判定故障分支的新方法。

It either can be started by fault diagnosis, which can assist to make decision after accident, or can be started by static security analysis of the power system, which can be used to make the accident prefiguration and compile the fault preview.

本文研究并实现了一种在线应用的地区电网故障恢复系统，该系统既可以由故障诊断程序启动，用于在线辅助事故后的调度决策，也可以由电网静态安全分析程序启动，用于做事故预想和辅助编制事故预案。

Based on large amount of fault data and the analysis of the rocket launcher's structure and design, this paper presents the fault models of electrical drive system and fire system.

本文在统计大量故障数据及对火箭炮结构和设计分析的基础上，建立了火箭炮电传动系统和发火系统的故障模型。

The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. Using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies.

对小波包分析应用于故障诊断进行了研究，利用仿真出来的故障数据，将快堆钠泵非平稳时变振动信号分解到不同层次和不同频带上，有效地提取出反映钠泵不同故障的特征向量，在识别中得到了满意的结果。

The fault diagnosis based on nonlinear spectral analysis is a new fault diagnosis theory.

基于非线性谱分析的故障诊断是一种新的故障诊断理论。

This paper makes an all-sided comparison between causality diagram and fault tree. With the comparison it is found in this paper that CD has an advantage over fault tree in modeling capability and enriching analysis information, etc.

论文还对因果图与故障树进行了全面的比较研究，发现了因果图方法在建模能力和丰富的分析信息等方面的优势。

To evaluate the severity of damage and identify the damaged winding s, this paper presents a method that uses the comprehensive information, including the value and waveform of the fault current, insulation resistance, oil-dissolved gas analysis, winding resistance, turns ratio, deformation detection, and it is of significance to the fault elimination.

介绍了综合利用短路电流值和波形、绝缘电阻、色谱、直流电阻、变压比、绕组变形等资料和手段判断大型变压器低压侧出口短路事故的严重程度、被损坏绕组的相别，为故障的处理提供参考。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。