antennas

ABBA-code is a quasi-orthogonal space-time block code for 3 + Tx antennas.

ABBA码是一种可用于三个以上发送天线系统的准正交 空时分组编码.

Linearly polarized broadband dipoles serve as antennas for horizontal and vertical polarization.

线地为水平线极化了如天线的宽频双极子服务和垂直的偏极化.

Radio astronomy today is armed with the largest antennas in the world.

射电天文学拥有世界上最大的天线.

Marconi tied several antennas to kites.

马可尼在风筝上系了几根天线.

Characteristics of omni-directional dielectric leaky antennas with arbitrary profiles are investigated by an improved perturbation method.

用改进微扰法分析了任意曲线形状圆柱形介质栅全向天线的辐射特性.

This provides a theoretical basis for the engineering design of fuze dielectric rod antennas.

为引信介质天线的工程设计提供了依据.

Concerns exist because of the wire antennas on these phones.

手机机身大多自带天线,而对健康隐患的担忧正是源自于此.

Finally, the array antennas composed of parasitical cells are mainly researched.

最后, 本文重点研究了由加寄生天线的单元组成的天线阵列.

Participate in the design and test of the cassegrain antennas used in one subject.

参与了课题有关卡塞格伦光学天线的设计和测试工作.

The circular monopole antenna is a kind of miniaturized ultra wide-band antennas with simple feeding network.

圆盘单极天线是一种小型化、馈电简单的 超宽带 天线.

A subspace-based blind channel estimator has been developed for space time coding orthogonal frequency division multiplexing ( STC-OFDM) system with two transmit antennas and two receive antennas.

针对使用2个发射天线和2个接收天线并且采用循环前缀的空时编码正交频分复用系统（STC-OFDM），提出了一种信道盲估计算法，并给出信道可被辨识的条件。

The important parameters for rectangularpatch antennas are dielectric constant and area.

矩形贴片天线的重要参数是介电常数和面积.

The planar slot array antennas has been uesd to the second and third-generation fighter plane, the fourth-generation plane is used more advanced two-dimensional scan of the Phased Array Antennas.

如果作为机载雷达，已被应用于第二和第三代作战飞机上，第四代飞机则采用更为先进的二维扫描的有源相控阵天线。

A colony of parabolic satellite antennas installed at the IBC.

位于IBC范围内放置卫星天线机组的位置.

We also study the substrate self-bias jumped delay, double-steady delay and self-oscillation etc with the condition of copper belt discharge antennas, and compare with datum which are obtained with the condition of red copper tube discharge antennas.

研究了铜带放电天线下基片自偏压的跳变回滞、双稳回滞、自振荡等特性，并与多匝铜管放电天线下的结果进行了比较。

This paper discusses the displacement measurement of antennas by means of digital close range photogrammetry.

文章介绍了基于数字近景摄影测量原理的天线变形测量方法.

The gain of the single antennas are between 4.4 dBi and 7.1 dBi.

单元增益在4.4dBi~7.1dBi之间.

Fix the antennas on the outdoor walls or windows.

将天线固定在室外的墙壁上或窗口上.

The basic theoretical calculation formulae for radiation and scattering of array antennas are deduced by applying spherical wave function expansion and the scattering matrix to the analysis of array antennas.

将场的矢量球面波函数展开和散射矩阵推广到阵列天线的辐射和散射分析当中，推导出阵列天线辐射和散射的基础理论公式。

To eliminate the co-channel interference, multiple receive antennas are generally used to provide spatial multiplexing.

为了消除共道干扰, 在接收端利用多天线提供空间复用是一种有效手段.

Each ant has two antennas extending from its head.

每只蚂蚁头上都长着两个触角.

Analysis of Thick Cylindrical Wire Antennas and Wire Antennas Near An Interface by the Method of Moments

粗天线和半空间界面附近线天线的MOM分析

Theoretical analysis about microstrip antennas is summarized.

对微带天线的理论分析作了归纳.

Connect cables between antennas and protectors.

将电缆分别连接在天线和保护器上.

GPS + GSM combination antenna, car TV and car antennas, our company has passed ROHS certification.

GPS+GSM组合天线, 汽车电视及汽车天线, 我公司已通过ROHS认证.

The interference of the antenna and the position of the antenna relate to closely, when all electric appliances properties of the antenna certain, the interference between antennas be decided by the position relation of antennas only.

天线间的干扰与天线的位置的关系密切，当天线的所有电气性质一定时，天线间的干扰就仅取决于天线的位置关系。

The keypoint of mechano-electrical unification design for reflector antennas is brie-fly described.

并简要阐述了 反射面 天线机电一体化设计的思想.

First, the multiple antennas system is equivalent to a microwave network, then the admittance matrix Y of the network can be computed from the MOM solution. Using the admittance matrix, we can obtain the coupling between two antennas.

该方法先将天线系统等效为微波网络，然后采用矩量法求解该等效网络的导纳矩阵Y，利用该导纳矩阵就可求得天线间的耦合度。

Can ANTENNA CAD be used to calculate mutual coupling between microstrip antennas?

AntennaCAD能计算两个天线间的互耦合 吗 ?

The jet has 57 antennas for its huge array of electronic gear. Normal is 17.

机上装有五十七部天线,为一排排的电子设备服务, 而普通飞机上只有十七部天线.