查询词典 fault analysis

The experimental results show that wavelet transform method may filter effectively the background noise, furthermore, may accurately locate the fault point in time and frequency domain. It is substantially different from the traditional FFT. This method is unfastidious to the physical model of machining process, has advantages over all kinds of time series analysis method.

实验表明，小波分析方法可有效屏蔽背景噪声的影响，进而可对故障点进行较准确的时频定位，这和传统的FFT分析方法有着本质的区别，同时对刀具破损的故障提取过程不过分依赖加工系统的物理模型，与各种时序分析方法相比，具有明显的优越性。

This paper applies this method to vibration signal analysis for localised gearbox fault diagnosis.

本文探讨了在振动信号分析中使用该方法进行齿轮箱局部故障诊断。

Based on symmetrical analysis theory, the stator current of motor is decompounded into positive-sequence current, negative sequence current and zero-sequence current to distinguish the running state and fault type of the motor according to their magnitude of current. The technology of INTEL80C196KB MCU is applied to design and fulfill a new kind of micro-processor protective device for asynchronous motor.

根据对称分量分析原理，将电动机定子电流分解成正序、负序和零序分量，依据各种序量的大小，判别电动机运行状态和各种故障类型；采用INTEL80C196KB单片机技术，实现了一种新型的异步电动机综合保护装置。

Based on the analysis on the oil sources and migration pathway of this area, the mineralization modes of the oil sand in the area are derived in this paper. Main conclusions are drawn as follows: a. multiphase tectonic activity resulted in multistage hydrocarbon generation of the source rock; b. threestage tectonic activity and threestage mineralization process formed a great deal of unconformity and fault pathway, thus the crude oil could migrate in a long distance; c. the tectonic activity in Yanshan and Himalayan stages uplifted the edge of the basin and the eroded reservoir outcropped to the surface, the light oil escaped and then the oil sand resource formed; d.

通过对该区油源和运移通道的分析研究，得出该区油砂的成矿模式：①多期的构造活动使烃源岩多期生烃；②三期构造活动、三个阶段的成矿过程，形成了大量的不整合面和断层通道，使原油远距离运移；③燕山期和喜马拉雅期构造活动使盆地边缘抬升，经受剥蚀，油层出露地表，轻质油逸散形成了现今的油砂资源。

A data precessing method is provided through constructing the power transformer fault information data warehouse, based on analyzing and reorganizing the various existing data sources, the transformer failure diagnosis and early failure predication can be benefit from OLAP (On-Line Analysis Processing) and data mining technology.

为了进行变压器状态和故障自动预测，以及便于维护人员对于变压器状态进行人工预测，提出了构建电力变压器数据仓库的数据处理思想，在对有关变压器信息的多种数据源进行分析和重新组织的基础上，利用联机分析处理和数据挖掘技术，可对变压器故障诊断和早期故障预测起到积极作用。

The results of dynamic simulation as well as filling and evolution analysis show that the filling and evolution processes of Huangxian fault basin were controlled by two rifting stages.

通过动力学模拟及充填演化分析，认为黄县盆地的充填演化过程受两期裂陷作用的控制。

This paper discusses two methods of analysis that have been utilized for fault detection.

本文讨论了两种用于故障探测的方法。

The analysis result shows that Kun 2# well and its vicinities is the beneficial oil-gas bearing province in Kunyite depression, and the sealing of Kun 1# fault zone is well, and the well wall in Kun 2# well region is relatively stable.

分析结果显示，昆2井及其附近地区为该凹陷的有利成藏地区，且昆1断裂带的封闭性较好，昆2井地区井壁较为稳定

The study on spectrum analysis of arc sound signal has showed that a signature band of 5-10kHz of sound wave would be generated before fault s arc take place, which is strong in intensity and variable in both width and center depending on arcing electrodes, space between electrodes, and discharge volt age.

早期弧声的功率谱分析表明，故障电弧发生之前，在可听波段产生5kHz~10kHz的电弧声，其带宽和中心频率与电极形状、放电距离、放电电压等试验条件有关。

In the process of making a knowledge base, Fault Tree Analysis is one of effective methods to analyze problems of complicated system, which can reduce the difficulty of obtaining system knowledge in failure diagnosis expert system for pressure vessels.

在知识库的建造过程中，故障树方法是分析复杂系统失效问题的有效方法之一。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。