查询词典 presented

The electric-field and potential distribution along a post insulator under dry and clean conditions are calculated through the Finite Element Method.and three principles about model building are presented.In theprocess of solid modeling.the post insulator is simplified to a 1/2 area model because of its axial symmetryt and anannular area is innovatively presented to represent the field at infinity.W hen area meshing.the metallic fittings ofthe insulator are omitted.

为解变电站支柱绝缘子表面电场分布及RTV涂料、增爬裙的影响，用有限元法计算了洁净条件下支柱绝缘子的电场和电势分布规律，提出了模型建立的三原则--根据轴对称性简化模型；采用环形区域作为无限远求解区域；不剖分绝缘子的金属附件。

In this period, any customer who buys Polo hatchback "Jinqing" will be presented a "Shanghai Volkswagen version" Apple MP3; any customer who buys a POLO notchback "Jinqu" will be presented "Fuwa Golden Silver Medal".

劲取奥运促销行动：从9月1日至10月7日期间，凡购买POLO劲情，即可获赠&上海大众版&苹果(mp3)一台；购买POLO劲取，即可获赠&福娃金银纪念牌&一块。

And another construction methods for perfect and quasi-perfect binary array pairs are presented with the help of the relationships among the perfect, quasi-perfect and double quasi-perfect binary array pairs. On the other hand, a new kind of discrete signal is presented in this paper, which is the punctured binary sequence pair and the punctured binary array pair.

另一方面，本文提出了一种新的离散信号，即屏蔽二进序列偶和阵列偶，建立了完整的屏蔽二进序列偶和阵列偶的理论体系，它包括最佳屏蔽二进序列偶理论、最佳屏蔽二进阵列偶理论、准最佳和双准最佳屏蔽二进阵列偶理论，以及屏蔽二元互补序列偶理论。

The linear improved algorithm is presented, and it has been proven to be well-posed. When the prior geometry informations are known, the line and conic-based algorithms are presented.

针对问题的病态性我们给出了线性改良算法，同时在已知某些先验几何信息情况下，分别给出了基于直线和二次曲线等几何特征的鲁棒性算法。

Various automatic tuning principles for arc suppression coil are discussed and analyzed in this paper,the merit and shortcoming of various automatic tuning method are presented,and the problem which should be noticed is presented.

对消弧线圈的各种自动调谐原理进行了详细的分析和讨论，提出了各种调谐方法的优缺点和调谐时应注意的问题。

The first one is Vector Pursuit which is based on Screw Theory. The second one is Replicate Line Method presented by this thesis which is presented according to the skid-steering property of track-laying mobile robot and the constraint of its working environment. Thirdly, use the path tracking method proposed by Kanayama for reference to control the robot moving for the current position to the desired position with the desired velocity, so make the path tracking process more precise.

然后从运动学方面，根据机器人当前位置与目标点的位置偏差和角度偏差，采用基于螺旋理论的向量追击法，以及本文根据履带式移动机器人运动特点和工作环境特点提出了的轨迹跟踪方法，折线法，来确定机器人的期望运动；再借鉴Kanayama提出的轨迹跟踪控制方法，对机器人以期望运动速度从当前位置运动到目标点的过程进行控制，从而进一步精确了跟踪过程。

In order to be fit for three-phase four-wire system, the method of balancing control using chopper presented in literature [29] is mended. The new standpoint that ip-iq detecting method based on three-phase three-wire system can be directly used in three-phase four-wire system is presented and proved.

分析了零序和负序电流对新型UPFC直流侧电容电压的不同影响，对文献[29]提出的传统UPFC的直流侧各电容电压的均衡控制方法进行了仔细研究，提出了采用B型直流斩波器来控制新型UPFC的直流侧电容电压的新方法。

A flat high efficiency super-broadband source was presented. We achieved a C+L-band superfluorescent source, in the region from 1524. 0 to 1600.4nm, the power of the ASE are over -12. 0dBm and the ASE profile excursion is only ±1. 4dB in the region from 1539. 2 to 1600.4nm. The power of the ASE is 22. 1mW and the power conversion efficiency is 18. 8%. 9. The amplification characteristics of thulium-doped fiber amplifier had been studied using the basic theory for fiber amplifier. The connection between the Tm-doped fluoride fiber and silicon fiber was accomplished, and we studied the TDFA and the reason that the expecting results hadn't achieved had been analyzed. The assumption of the Er-Tm-co-doped silicon fiber had been presented, and we studied the Er-Tm-co-doped silicon in cooperation with the correlative corporation, some results had been got and the further studies are carried on.

实验结果得到了覆盖C+L-波段的超荧光光源，在1524.0-1600.4nm波长范围内，自发辐射谱的功率均高于-12.0dBm；在1539.2-1600.4nm波长范围内，自发辐射谱不平坦度为±1.4dB；荧光总功率为22.1mW，功率转换效率为18.8%； 9、应用光纤放大器的基本理论，理论分析和研究了掺铥光纤放大器的放大特性；解决了氟化物掺铥光纤与硅基光纤的连接问题，进行了TDFA的实验研究，分析了没有得到预期结果的原因；最后提出了铒-铥共掺硅基光纤的构想，并与有关单位合作，共同研制了铒-铥共掺硅基光纤，得到了一些前期结果，进一步的研究仍在进行当中。

An intelligent fault detection and diagnosis method based on space vector is presented, fault diagnosis knowledge self-acquisition and self-tuning and symptom optimum algorithm are infered. 4、An early fault detection and diagnosis method based on ANN for process industry is presented, which has perfect self-learning and self-tuning ability and can establish diagnosis model automatically with the process of fault diagnosis in the absence of sufficient prior knowledge.

提出一种基于特征空间向量的智能故障诊断方法，推导了其故障诊断知识的自动获取算法和故障诊断的自适应算法以及征兆信号优化选取算法； 4、提出一种基于人工神经网络的生产过程早期故障检测与诊断方法，该故障诊断方法知识获取容易，具有良好的自学习和自适应能力，能够在故障先验知识不完备的情况下，通过与用户的交互，逐步自动建立起完善的故障模型知识。

The hardware design project and principle are presented in detail, including the sensor and the single-chip microcomputer select, the signal processing circuit, the real-time clock circuit, the alarm circuit, the wireless receiving and transmitting circuit, the extension of FLASH memorizer, the key-board circuit and USB interface circuit, etc. As the counterpart, the software function modules are presented as well, including the main program of transmitter and receiver, the data acquisition and processing module, the display function module, the key function module, the three-level alarm on fault parameters module, the fault parameters memorizing and inquiring module and the wireless transmitting and receiving module, etc.

论文详细介绍了系统的硬件设计方案及其工作原理，包括传感器的选择、单片机的选择、信号调理电路、实时时钟电路、报警电路、FLASH存储器、无线发射与接收电路、键盘电路和USB接口电路等；同时详细介绍了软件设计方案及具体实现方法，包括发射机主程序、接收机主程序、数据采集与处理模块、键盘处理模块、故障数据存储与查询模块、显示功能模块、报警模块、无线发射与接收模块等。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。