查询词典 antenna

A folded dipole antenna is in the shape of the letter T.

被折叠的偶极天线是在信件T 的形状。

The hardware of this system consists of antenna array, Doppler direction finder, system controller and display. The software-work mode controller, data processing and angle display.

整套系统的硬件部分包括天线阵、多普勒无线电测向仪、控制电路板和显示电路板，软件部分包括工作模式控制部分、数据处理部分和角度显示部分。

There are three parts in this paper: developing of FM type signle channel Doppler duection finder; studying of FM/AM type single channel Doppler direction finder, applying moment method for antenna on direction finding system.

主要包括以下三方面的内容：（1）FM方式单信道多普勒定向仪的研制；（2）FM/AM多方式单信道多普勒定向仪的研究；（3）测向天线的矩量法研究。

A modern direction finder, as was then used for radio navigation in large passenger ships, used a steerable ring antenna to determine the airship's position from any two radio transmitters either land or ship-based.

一个现代化的方向搜索，因为当时使用的无线电导航大型客船，使用环形天线可操纵的飞艇，以确定的立场，任何两个无线电发射机或船舶或者土地为基础的。

Inspection installation for loop antenna of direction finder on berth.

测向仪环状天线船台安装检查。

Time-Frequency parameter estimation and direction finding for nonstationary signals impinging on an antenna array over a wide frequency band (2~18GHz) is under in-vestigation, and a new method for parameter and 2-D Angle-Of-Arrival estimation of spatio-temporal undersampled LFM sources is proposed in this paper.

摘要针对宽频段(2-18GHz)内非平稳来波信号的参数估计和测向问题，提出一种时空欠采样线性调频信号参数与二维到达角联合估计方法。

Simulation results show that this antenna can broaden the practical bandwidth for both higher directivity and impedance matching.

仿真结果显示这种改进增宽了此类天线兼顾高定向性和阻抗匹配的实用频带。

The results show that the gain and directivity performance have bothbeen improved when using an antenna array.

分析结果表明，这两种天线布成阵列后其增益都得到了明显的改善，方向性得到了增强。

To resist co-interference of MC-CDMA system, smart antenna are used in MC-CDMA. A blind adaptive array algorithm was developed for MC-CDMA system by using recursive least-squares dispread respread multitarget array.

MC-CDMA系统中同信道干扰仍然是影响系统性能的主要因素，这就需要使用智能天线来提高系统的性能。

The result of simulation can provide reference to antenna designing. A method is given to compensate the dissymmetry.

分析了天线幅度、相位不对称对测量角误差的影响性质，可为提出天线设计的对称精度要求提供参考，并提出了天线幅度、相位不对称的补偿方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。