查询词典 antenna array

For example, karst topography is very approach this mode. We not only discuss the effect relation of dipole field in the mediator, but also in the property of antenna. Imaginaries Bessel function is involved in the process of discussion. because it is very important to the result.

钻孔雷达一般使用偶极天线，所以对偶极天线辐射场正反演问题的研究是目前的当务之急，它直接影响着对钻孔雷达资料的正确解释，对进一步研究钻孔雷达天线的有关特性及钻孔雷达的研制起着非常关键的作用。

We will mend the structure of the biconical antenna to weaken the reflection current on its surface.

本文介绍了无限长的双圆锥天线的工作原理，分析了不同锥角的有限长度单圆锥天线的宽带特性，总结了前人为改善圆锥天线的宽带特性所做的一些工作。

Design and experiment of high power ultra-wideband coaxial biconical antenna.

高功率超宽带同轴双锥喇叭天线的设计和实验。

Simulations based on finite integration method are carried out in a wide frequency range for a balanced feeding finite wide-angle biconical antenna and many results including input impedance and far fields are obtained.

利用基于有限积分法的电磁场仿真技术对平衡馈电的有限长宽角双锥天线作了计算，得到了天线在很宽频带内输入阻抗、远区辐射场与频率的关系曲线。

Finite wide-angle biconical antenna ; modal analysis ; finite integration ; input impedance

有限长宽角双锥天线；模式匹配；有限积分法；输入阻抗

The antenna has a composite structure of a cage and an asymmetric biconical structure. The impedance bandwidth and radiation pattern bandwidth are enhanced, and the tilting and ripping of radiation patterns are eliminated.

将笼型与不对称双锥结构相结合，展宽了天线的阻抗和方向图带宽，抑制了天线辐射方向图在宽频带内上翘或裂瓣。

By using symmetry and boundary conditions the field and input impedance of finite wide-angle biconical antenna can be derived by modal analysis, which generally results in solving infinite linear equations.

模式匹配法利用有限长双锥天线的轴对称性求解天线电磁场边值问题，通常导致求解无限多个线性方程而得不到严格解。

The next steps will be to route the receiver antenna outside the WTC, cut off the battery terminal poles and also figure out what to do with the bilge pump light.

接下来的步骤将是路线，接收天线以外的世台会，切断电池终端两极并计算出该怎么办与舱底泵轻。

We use the thermal sensing circuit to replace the special material in antenna coupled bolometer in other process which the CMOS process does not provide.

会使用温测电路的原因为CMOS制程并没有其他制程的天线耦合辐射热计所需要的特殊材料。

Used in the CCTV system, the antenna television system branch line, subscriber line and other electronic devices.

本产品适用于闭路电视、共用天线电视系统作分支线和用户线及其它电子装置。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。