查询词典 antenna

The present invention provides a method (400) and antenna (100) for providing an omnidirectional pattern.

本发明提供一种用于提供全向场型图的方法（400）和天线（100）。

The antenna (100) is smaller than prior art omnidirectional antennas with the same bandwidth.

天线（100）的尺寸比具有相同带宽的现有技术全向天线小些。

The research on reconfigurable antennas is a hot point in the antenna field.

可重构天线是当前天线领域的研究热点。

The pattern of an antenna in missile is calculated by using GTD method.

本文应用几何绕射理论计算了弹载天线的辐射方向图。

The key idea is to obtain benefits of multi-antenna systems by cooperative retransmissions among relay stations and users when considering protocol layers.

提出时分多址方式下由固定中继节点支持的透明模式下的随机接入协议，通过中继节点与用户间的合作重传来解决多个用户同时接入发生碰撞的问题。

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

一个折合偶极天线象个字母T 的形状。

The simplest indoor antenna is the folded dipole.

最简单的室内天线是被折叠的偶极。

The RFID tag is explained by using a conventional folded dipole antenna.

作者译文：下面用一个常规的折叠偶极天线来介绍一种RFID标签。

The principle of railroad trackbed inspection with GPR mounted on track vehicle is introduced. In line with requirements of exploring depth, accuracy and speed in the process of field survey, the layout of GPR survey line is put forward, the center frequency of antenna, the maximum time window, the temporal sampling interval and the space between traces are calculated according to the theoretical formulas.

介绍了使用路检车装载探地雷达对铁路路基检测的原理，结合野外探测过程中对测量深度、精度和行车速度的要求，给出了GPR现场工作测线布置的原则，理论上给出天线中心频率、时窗、采样率、测量点距的计算公式。

Full-wave analysis of this antenna is implemented based on the new method that combines the conformal FDTD method and the dyadic Green's functions for cyl...

设计和仿真结果表明，在不增加剖面厚度的情况下，工作于L和C波段的天线带宽(VSWR≤ 2 。0 )可达近 30 %甚至更宽。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？