查询词典 antenna resistanc

The method of moments is used to investigate the resonant characteristics of the antenna.

提出一种新型单极子天线，天线的辐射主体由双弯折线构成，通过矩量法研究天线的谐振特性。

And the design method of the circular monopole antenna is presented.

给出了圆盘单极超宽带天线的设计方法。

In the end,we get a conclusion that the feature of monopole antenna is affected by the size of conductor board to certain extent.

得出了导体板尺寸的大小在一定程度上影响单及天线特性的结论。

An ultra-wideband two-ring monopole antenna is presented in this paper.

本文提出了一种超宽带双环单极天线的设计思想及应用模型。

The tapered line theory in circuit can be applied to the design of the special-shaped monopole antenna in order to obtain better electrical characteristics.

电路中的渐变线理论可以引入到异型单极子天线的设计中，以获得更为良好的电特性。

On the basis of the characteristics of water, in this paper, the monopole and theconical monopole antenna loaded by water are researched by experiment.

在宽带天线技术中，采用宽带匹配网络来对天线进行优化匹配是一项很重要的措施。

Based on these analysis and using GA technique, a double-band monopole antenna for application of GSM/DCS is designed.

基于这种分析以及遗传优化技术，设计了一种可工作在GSM／DCS频段的双带单极子天线。

Then on the basis of former studies, the miniaturization and planar structure of the circular monopole antenna are respectively analyzed and two feasible schemes are presented.

然后在上述研究的基础之上，本课题进一步分析了圆盘单极天线的小型化以及平板化的实现方案。

In order to satisfy the future requirements of fixed broadband wireless Access systems for high data-rate and high frequency efficiency, technical renovation on the physical layer and control layer is demanded. The paper analyzes relevant technologies sUCh as the high spectrum utilization antenna, robust time-delay extension modulation, equalization and encoding, highly efficient multi-address access and adaptive linking.

为了满足未来固定宽带无线接入系统高数据速率传输及高频谱利用率的要求，就需要在物理层和媒体访问控制层进行技术上的革新，所涉及的关键技术包括：高频谱利用率的天线系统、具有时延扩展鲁棒性的调制方式、均衡与编码技术、高效的多址接入技术、自适应链路技术等。

The paper analyzes relevant technologies such as the high spectrum utilization antenna, robust time-delay extension modulation, equalization and encoding, highly efficient multi-address access and adaptive linking.

为了满足未来固定宽带无线接入系统高数据速率传输及高频谱利用率的要求，就需要在物理层和媒体访问控制层进行技术上的革新，所涉及的关键技术包括：高频谱利用率的天线系统、具有时延扩展鲁棒性的调制方式、均衡与编码技术、高效的多址接入技术、自适应链路技术等。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。