天线是一种可解读电信号或无线电波并将其转化为其中另一形式的装置（将信号转化为电波，或将电波转化为信号）。之前有介绍过天线的性能参数，指标及种类等，今天我们就一起来看看天线相关术语的中英文对照。

Antenna

天线

A device which interprets electrical signals/radio waves and transforms it to the other form (signal to waves, waves to signal)

一种可解读电信号或无线电波并将其转化为其中另一形式的装置（将信号转化为电波，或将电波转化为信号）。

Omnidirectional Antenna

全向天线

Ideally, it is an antenna that is capable of radiating in all directions on the horizontal plane.

理想地，该天线可在水平面内的所有方向上均可辐射。

Antenna, Horn

喇叭天线

A horn shaped directional antenna, designed by William T. Slayton in 1954.

一种由William T. Slayton在1954年设计的喇叭形定向天线。

Antenna, Microstrip Patch

微带贴片天线

A flat antenna which sits atop a microstrip, with a wide beam and a narrow bandwidth.

设置于微带顶部的平面天线，其波束较宽且带宽较窄。

Antenna, Monopulse

单脉冲天线

An antenna capable of gathering angle data with only a single pulse

一种能够仅用单个脉冲收集角度数据的天线。

Antenna, Vivaldi

维瓦尔第（Vivaldi）天线

Vivaldi antennas, also known as "tapered slot antennas," are used for their surprisingly large bandwidth and ease of fabrication.

维瓦尔第天线也称为“锥形槽天线”，其具有带宽极宽且易于制造的优点。

DAS (Distributed Antenna System)

DAS（分布式天线系统）

A network of separated antennas connected to a common source that provides wireless service within a geographic area or structure such as an office building or school campus.

由连接至公共源的分立天线组成的网络，用于在办公楼或学校校园等地理区域或结构内提供无线服务。

Yagi

八木天线

A directional, shortwave antenna containing a group of dipoles that are equally insulated and are parallel with a horizontal conductor. Yagi's contain one or two dipoles that are connected with the receiver.

一种定向短波天线，包含由一根或两根以相同方式绝缘且与水平导体平行的偶极天线组成的天线组。八木天线内的偶极天线与接收器相连接。

Rubber Duck Antenna

胶棒天线

An electrically short monopole antenna that is protected by a plastic or rubber jacket. Its function is similar to a base-loaded whip antenna.

由塑料或橡胶护套保护的电短单极天线，其功能类似于鞭状底部加载天线。

Distributed Antenna System (DAS)

分布式天线系统（DAS）

A network of separated antennas connected to a common source that provides wireless service within a geographic area or structure such as an office building or school campus.

由连接至公共源的分立天线组成的网络，用于在办公楼或学校校园等地理区域或结构内提供无线服务。

IEC Antenna Connectors DIN 45325

IEC/DIN45325天线连接器

A snap-in coaxial connector for IEC antenna's which is capable of transmitting frequencies at max of 1 GHz

一种卡入式同轴连接器，用于最大可传输1GHz频率的IEC天线。

Transceiver

收发器

A component capable of both transmitting and receiving signals. In the RF sphere, it's implementation is used to tighten the gap between digital signals and antennas.

既可发送信号也可接收信号的器件。在射频领域，其用于更加紧密地实现数字信号和天线之间的对接。

Radiator

辐射器

The basic element in an antenna that actually emits a signal.

天线中实际发射信号的的基本元件。

UCA

UCA

An acronym for Uniform Circular Array, which is an arrangement of antennas in a circular formation, equally spaced apart.

Uniform Circular Array（均匀圆形阵列）的英文首字母缩写，该阵列为天线的一种圆形等距布置形式。

UGA

UGA

An arrangement of antennas in a grid pattern, where they are spaced equally apart in both dimensions

Uniform Grid Array（均匀网格阵列）的英文首字母缩写，该阵列为天线的一种网格式布置形式，其中，天线在两个方向上均等间距分布。

Electronically Steered Array

电子扫描阵列

A smart antenna system that utilizes beam forming rather than physically moving the azimuth to direct the signal.

一种通过形成波束而非以物理方式移动信号引导方位角的智能天线系统。

dB – (Decibel)

dB（分贝）

The logarithmic unit measuring the ratio of input to output. It is generally used as the unit for gain and loss.

度量输入/输出比的对数单位。dB通常用作增益和损耗的单位。

dBc

dBc

Power ratio for a signal carrier. Typically, this unit is used for measuring passive intermodulation distortion.

信号载波的功率比，通常用作无源互调失真的度量单位。

dBm

dBm

Decibels that are related to 1 mW. The microwave industry uses 1 mW as the standard unit to measure power level. Examples: 0 dBm = 1 mW, +10 dBm = 10 mW, +20 dBm = 100 mW, etc.

1 mW对应的分贝数。微波行业将1 mW作为功率水平的标准单位。例如：0dBm=1mW，+10dBm=10mW，+20dBm=100mW等。

dBW

dBW

A decibel watt describes the power of a signal relative to a watt in decibels.

Decibel Watt（瓦分贝）的缩写，其为以分贝数表示的信号功率与瓦特的比值。

Directivity

方向性

Directivity, a term generally associated with antennas, refers to the ratio of the measured power density at its peak point, versus the ideal power density.

方向性一词通常用于天线领域，其表示峰值点处测量的功率密度与理想功率密度的比值。

Efficiency, Antenna

天线效率

A measure of resistive loss in an antenna, calculated by dividing the actual emitted power from an antenna by its theoretical value.

天线内电阻性损耗的一种度量，其计算为天线实际发射功率与其理论值的比值。

Gain

增益

Ratio between output and input power of an amplifier, antenna, or other device measured in decibels.

放大器、天线或其他设备的输出和输入功率之比，单位为分贝。

Passive Intermodulation (PIM)

无源互调（PIM）

Occurs in passive devices such as cables or antennas that are subjected to two or more high power tones. PIM is the result of multiple tones mixing. The higher the signal amplitudes, the more pronounced the effect of PIM.

无源互调发生于处在两种或更多高功率幅度作用下的电缆或天线等无源设备中，即无源互调是多功率幅度混合后产生的结果。 信号幅度越高，无源互调的影响越明显。

Peak Sidelobe Ratio

峰旁瓣比

Ratio between the highest side lobe intensity to the intensity of the beam parallel the azimuth of an antenna.

最高旁瓣强度与平行于天线方位角的波束强度之比。

Sidelobes

旁瓣

Undesirable gain response of an antenna in a direction not with the main beam.

与天线主波束方向不一致的增益响应，应该避免其发生。

Reciprocity

互易性

An antenna works in exactly the same manner in receiving the signal as it does when sending a signal.

一种以完全相同的方式接收和发送信号的天线。