查询词典 pattern identification

On the other hand, analyzed the mechanism of generating transformer inrush current and the characteristics and identification methods. Pointed out the existing problems that baseding on the principle of the dead angle of excitation inrush current identification method in transformer microcomputer protection.

另一方面分析了变压器励磁涌流产生机理及波形特点与识别方法，指出了在变压器微机保护中，基于中断角原理的励磁涌流识别方法及存在的题目。

The concept of synchronization and several kinds of classical synchronization method are given, then the parameter identification process of chaotic system based on adaptive synchronization is given. Parameter identification problem can be converted into optimization with a given index function. Finally the paper explains the whole process with discrete Henon system and continuous Lorenz system.

首先，介绍了同步的定义和几种经典的同步的方法，说明了基于自适应控制方法的混沌系统参数辨识过程，并把参数辨识问题转化为对性能指标的优化问题。

Firstly, we introduce the technology of seismic geometric attribute for fault identification detailedly at home and abroad. Secondly we study the coherence, texture,curvature attribute and tricolor display technology of RGB to identify fault; In the part of coherence,we compare the traditional algorithms with model and actual data,mainly study the geometric structural tensor and wavelet multi-scale sub-frequency coherent algorithm; In the part of texture attribute, we introduce texture energy, texture contrast, texture entropy and texture homogeneity attribute.By merging texture attributes of different directions,the effect are more clear; In the part of curvature attribute,we study and analyze fractional-order curvature attribute's extraction and its application in fault identification; The RGB display technology mainly introduces how to merge multi-attributes in order to getting more richer and more clearer information.

首先具体先容了地震几何属性识别断层技术的国内外研究现状；然后分别研究了相干属性、纹理属性、曲率属性和RGB三原色显示技术来识别断层；其中相干属性通过模型和实际资料对传统相干体算法进行了对比，重点研究了几何结构张量相干体算法和小波多标准分频相干体算法；纹理属性主要先容了纹理能量、纹理对比、纹理熵和纹理一致性属性，通过对不同方向的纹理属性进行融合，效果更清楚；曲率属性重点分析了分波数曲率属性提取及其在断层识别中的应用；RGB三原色显示技术则主要先容了如何进行多属性融合来或得更丰富、清楚的信息，在此基础上开发了基于。

The main results that have been accomplished in the paper are listed below: 1. Accumulated lots of experimental data of life-parameter signals with the equipment of detecting the wounded. 2. Provided a method of frequency domain signal integration based on FFT to detect non-contact life-parameter signals. 3. Built up an algorithm of lifeform identification which was based on the time and the frequency domain analysis of life-parameter signals. 4. Developed an application software of life identification for the wounded detecting equipment system S2000?

取得的主要研究结果有：1、用现有的伤员探测实验平台采集了大量生命参数信号，积累了实验数据，为信号处理及信号特征提取研究打下良好的基础；2、提出了基于FFT频域积累的方法进行非接触生命参数信号分析与检测；3、综合时域、频域中生命参数信号特征分析的实验结果，形成生命体识别算法；4、为52000—l型伤员探测装备样第2页第四军医大学硕士学位论文机研制了伤员探测生命体识别软件系统。

It is used to the process of fault identification and classification for fault diagnosis of a chemical reactor, the results show that the algorithm has the advantage of high parallel, high effective of computing, rapid convergence, robust and credibility of the identification result.

该算法作为一种高效的算法，可以对于不同领域的问题，通过方便的引入不同的判断准则，从而使本算法能够适应不同的问题要求。特别地，该算法可以广泛的应用于模式识别与聚类分析中。

Parameter identification and load identification on basis of frequency-domain are all researched very well, while the error of truncation, which is brought by data conversion, can"t be avoided. So, how to avoid these errors and identify the structure"s modal-parameter and exterior-load accurately will be the key technique of this field in the future, and some research work shall be done in time-domain.

针对模态参数辨识、动态载荷识别的频域方法较为成熟，但频域法中数据变换带来的截断误差却无法避免的现状，着重对模态参数辨识，尤其是动态载荷识别的时域方法作了一定的探讨。

The parameters Euler's number and region area are chosen as characteristic values to built the fault module identification tree for the sake of auto-identification of several ordinary faults.

PCB光板缺陷检测中，根据PCB光板图像和缺陷的特点，选用了最大熵阈值分割算法对图像进行二值化处理，并以欧拉数和区域面积为特征值，建立缺陷模式识别树，实现常见几种缺陷的自动识别。

Based on a series of signal process and noise source identification techniques, especially the major noise source identification methods, such as expurgation method, sound intensity analysis, spectrum analysis vibro-acoustic correlation analysis and so on, the pass-by noise control of SC7080A and SC6360B are studied in detail. By the roadway and dais experiments, the major noise and radiating parts are identified and some economical controlling methods are made. For the SC7080A, to control the emissing noise from the intake and shell vibration of air cleaner, a intake muffler is installed between the air cleaner and intake valve. Based on the theory of Helmholtz resonator, One three-parallel-connected resonant silencer is designed and trial-manufactured. For the SC6360B, the attenuation performance of exhaust muffler in high frequency region is improved. To reduce the vibration noise of shell part, the structure of oil sump tank, exhaust manifold shield and exhaust manifold shield are analyzed and improved. At the same time, some measures, such as sound absorption, sound insulation, are taken to reduce the noise of engine surface emissivity and a sound shield is designed.

本文首先综述了目前国内外汽车加速噪声控制的现状、主要方法和技术措施，在此基础上，结合SC7080A和SC6350B汽车的车外加速噪声水平及现状，综合运用分别运行法、声强法、频谱分析法、声振相干函数法等现代噪声源识别方法，对SC7080A和SC6360B汽车进行了准确详细的车外加速噪声源识别并提出了经济可行的控制方案，针对SC7080A，主要在空气滤清器和进气阀门之间的进气管道上加装进气消声器，抑制空气滤清器壳体表面和进气口两处的噪声辐射，根据Helmholtz共振腔原理设计了三腔并联旁支型共振消声器，并进行了工程化设计和试制；针对SC6360B，主要改善了排气消声器在高频段的消声性能，对罩壳类零件进行了结构改进，降低了其表面噪声的辐射，并对发动机舱进行了吸声、隔声处理，设计了发动机隔声罩。

Wheat gliadins composition can be regarded as finger-print for varietal identification. The method of isolation and identification for wheat gliadin are SPAGE, RP-HPLC and CE techniques, three of them are complementary, CE is the most powerful tool.

小麦醇溶蛋白组成可以作为小麦品种鉴定的指纹图谱，其分离方法有酸性电泳、反相高压液相色谱和毛细管电泳等手段，3种方法相互补充，而CE分辨率最高。

In the part I, the concept, development and current lawmaking status of E-mail are introduced. In this part, the writer states the source, development and basic technical principals of E-mail and analyses its current application status and the importance of effectiveness identification of being evidence. Besides, related international laws on E-mail and lawmaking status in many countries are introduced. Present situation of our country's lawmaking and related model laws since the utilization of E-business and E-mail are also stated and discussed. Part II emphasizes on the differences between E-mail and traditional evidences and generalizes the characteristics of E-mail, i.e.: forgeability, changeability, dependence, uncertainty, duplicatability and transmission. Through the detailed analysis, the writer concludes that it is the above-mentioned characteristics to hinder E-mail becoming the effective evidence. Part III is the key one of this article and mainly discusses the effectiveness identification of E-mail as evidence. In this part, the writer states how the 5 characteristics of E-mail mentioned in Part II to affect the validity and authenticity of E-mail as evidence.

第一部分介绍了电子邮件的概念、发展及立法现状，在该部分中笔者详细阐述了电子邮件的产生、发展以及电子邮件运作的基本技术原理，论述了电子邮件目前的应用状况以及解决其作为证据被认定问题的重要性，同时还介绍了世界上与电子邮件有关的相关国际规范以及各国立法的情况，并讨论了我国自电子商务及电子邮件使用以来的立法现状以及相关的典型立法；第二部分重点阐述了电子邮件与传统证据的区别，并将这些区别归纳为电子邮件作为数据电文的一种类型所具有的特殊属性，即：易伪造性，易修改性，依附性，原件不确定性，易复制和传播性，通过对这些特性的详细阐述，得出了这些属性是导致电子邮件无法成为有效证据的主要障碍的这一结论；第三部分是本文的重点，着重讨论了电子邮件证据效力的认定问题，该部分主要阐述了第二部分提及的电子邮件的五个特性造成了电子邮件证据在合法性和真实性这二方面的障碍。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。