查询词典 location principle

The origin of travelling wave and its propagation characteristics of modal components in time-domain and frequency domain are analyzed. The characteristics of configuration of railway Automatic Blocking/Power Continuous Lines and principle of various methods of travelling wave fault location are studied. Using transient surges extracted by transform voltage on the lines, a new method of double-ended principle of fault location is proposed.

本文分析了故障暂态行波的产生机理和模分量在时域、频域的传播特性，研究了铁路自闭/贯通线路的结构特点以及目前各种故障测距原理，提出了利用线路侧电压互感器提取暂态行波双端故障测距的新方法，该方法能够精确地测量各种类型的故障距离。

In order to check and control trajectory of the curve of punch, the author studies the location principle of the punch, and determines the parameters that need to be measured during the punch works.

为对穿孔机曲线轨迹进行检测与控制，文章分析了穿孔机的定位原则，确定了穿孔机施工时需要测量的参数。

In the paper,fault location principle based on wireless detector is introduced,issues such as power supply, signal collection,communication frequency,etc,are addressed,and the design of hardware and software system discussed.

介绍了基于故障探测器节点的定位实现原理，并针对配点线路特点，提出了探测器的供电方式﹑信号采集﹑通信频率等关键问题的解决办法，并实现了探测器节点的硬软件设计。

This dissertation we studies some critical questions of Single Observer Passive Location And Tracking based on look-acceleration information, including the location principle, the theor.

本文就基于视在加速度信息的单站无源定位与跟踪中的一些关键问题进行了研究。

Main aspects of the paper include principle of SAR imaging, SAR imaging how to influence location of spaceborne SAR, model of location, principle of InSAR, implement chart of InSAR data processing, key principle and the fulfilling of each links of the procedure.

本文研究的主要内容有：成像的原理、成像算法对位置的影响、定位模型、InSAR的原理、InSAR完整的数据处理流程、流程中关键环节的理论和具体实现方法。

Its core principle is the resource dynamic location principle and XML based ontology, on which the event and pipe as the communication layer of the whole framework are constructed.

在Internet时代，如何构造更好的遥操作软件平台以适应遥操作系统主客体日益发展变化的性能对于遥操作系统体系结构的研究至关重要。

And then studies on the relevant theories of distribution centers to let everyone know comprehensively, including the concept of logistics and distribution, the concept and development process of distribution center, the classification and function of distribution center, as well as its role. Lately it gives detailed description on the relevant theories of location selection, including the principle and influencing factors of location selection, as well as the steps and general methods of location selection. Finally the paper sums up several methods commonly used at present.

更多配送的概念、配送中心的概念及发展过程、配送中心的分类、功能及其作用；然后研究了配送中心选址的相关理论，包括配送中心的选址原则、影响因素、选址步骤以及配送中心选址的一般方法等部分；最后总结了目前几种常用的选址方法，并在这些理论的基础上，建立了非线性混合0-1规划类型的多配送中心选址模型。

The acoustic emission inspection and location principle of large vertical normal pressure storage tank bottom on-line inspection was studied.

基于大型常压立式金属储罐底板在线声发射检测及定位的原理，针对声发射检测过程中因声源性质不明确导致的罐底完整性评价结果不准确的问题，采用小波分析方法对罐底声发射信号进行了分解。

According to the basic principle of location- fixing management and the actual situations in the railway enterprises in China, this article states the objective and significance of location-fixing management, and recalls the process in implementing location-fixing management in China.

0导言 当前，在中央关于加快改革开放步伐的精神指导下，铁路大中型工业企业，正在突破传统制度的束缚，力争尽快地进行以转变经营机制为突破口的深化改革。

In order to make the Type A single ended modern travelling wave based fault location principle for transmission lines using fault induced transient travelling waves to be better ...

为了将利用故障暂态行波的A型单端现代行波故障测距原理更好地用于实测波形分析，将其划分为3种独立的运行模式，即标准模式、扩展模式和综合模式，并给出了各自用于实测电流暂态波形分析的典型实例。

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。