查询词典 antenna resistanc

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。

It is deduced that CAE software will play more important role in antenna structure design.

阐述了CAE软件将在天线结构设计中发挥的重要作用。

A novel center-fed cage antenna using the composite structure is proposed.

提出一种新型复合结构的笼型中馈天线。

A simpler scheme of interference canceler is proposed based on beam space analyzing. It is shown by the numerical results that such scheme can overcome the shortcoming of smart antennas. The time to demodulate desired user is reduced. It also reduce the complexity to realize such an AA/IC system with hardware. In the chapter 5, a multi-beam antenna system with three and six fixed beams are analyzed.

第四章综合考虑了智能天线的空间滤波和级联干扰删除器的作用，提出利用智能天线的空间滤波特性进一步简化干扰删除器的设计方案，数值分析结果表明该方案不但可以克服天线空间滤波的不足，同时缩短了用户信息解调的时间，降低了硬件实现的复杂度。

The approach uses the parasitic inductance of the antenna to implement ASK modulation by adjusting the capacitive reactance of the matching network, which changes with the backscatter circuit.

该阻抗匹配方法利用天线的寄生电感，通过调整反向散射电路的电容来改变匹配网络的容抗，从而实现ASK调制。

The results of experimental investigations of dimensions, high electrical strength, cardioid pattern with linear polarization of the pulse radiated are ideally adapted to be used as a steering antenna array element.

研制此天线利用了能量应用这种概念，其有小的尺寸，高的电场强度，线极化辐射脉冲的心形曲线图，并且完全适合作为扫描天线阵扫描单元。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48