主要内容

反射器

Create corner reflector-backed antenna

描述

Use the反射器object to create a corner reflector-backed antenna. By default, the exciter antenna is a dipole. The feedpoint of the dipole is at the origin. The default dimensions are for an operating frequency of 1 GHz.

Creation

描述

example

CornerRefector = ReflectorCornercreates a corner reflector backed dipole antenna for an operating frequency of 1 GHz using default values.

CornerRefector = ReflectorCorner(Name,Value)使用一个或多个名称值对设置属性。例如,CornerRefector = ReflectorCorner('CornerAngle',45)creates a corner reflector-backed antenna with a corner angle of 45 degrees. Enclose each property name in quotes.

Properties

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天线类型用作激发剂,指定为任何单元素天线对象。除反射器和空腔天线元件外,您可以将天线工具箱中的任何天线元件或阵列元素用作激发剂。

例子:“激励者”,horn

例子:ant.Exciter = horn

例子:ant.exciter = linararray('PatchMicrostrip')

激励器和反射器之间的距离,指定为标量为米。

例子:“间距”,0.0624

例子:CornerRefector.Spacing = 0.0624

Data Types:双倍的

由角反射器制成的角度,指定为标量。

例子:'CornerAngle',60

例子:CornerReflector.cornerangle = 60

Data Types:双倍的

反射器长度沿着thex- 轴,指定为标量米。默认情况下,沿着地面平面长度测量x-轴. You can also set the'GroundPlaneLength'零。

例子:“地面平面长度”,0.4000

例子:CornerRefector.groundplaneLength = 0.4000

Data Types:双倍的

反射器宽度沿y- 轴,指定为标量米。By default, ground plane width is measured along they-轴. You can also set the“地面平面”零。

例子:“地面平面”,0.6000

例子:cornerreflector.GroundPlaneWidth = 0.6000

Data Types:双倍的

类型of the metal used as a conductor, specified as a metal material object. You can choose any metal from theMetalCatalogor specify a metal of your choice. For more information, see金属. For more information on metal conductor meshing, seeMeshing.

例子:m =金属('铜');“指挥”,

例子:m =金属('铜');ant.conductor = m

添加到天线馈电的载荷,指定为集团元件对象。您可以在天线表面的任何地方添加负载。默认情况下,负载在原点。有关更多信息,请参阅块状.

例子:“负载”,块状, where,lumpedelement是使用使用的对象块状.

例子:cornerreflector.load = lumpedelement('阻抗',75)

Tilt angle of the antenna, specified as a scalar or vector with each element unit in degrees. For more information, seeRotate Antennas and Arrays.

例子:“倾斜”,90

例子:ant.Tilt = 90

例子:'Tilt',[90 90],'TiltAxis',[0 1 0;0 1 1]tilts the antenna at 90 degrees about the two axes defined by the vectors.

Note

TheWIRESTACKantenna object only accepts the dot method to change its properties.

Data Types:双倍的

Tilt axis of the antenna, specified as:

  • Three-element vector of Cartesian coordinates in meters. In this case, each coordinate in the vector starts at the origin and lies along the specified points on the X-, Y-, and Z-axes.

  • Two points in space, each specified as three-element vectors of Cartesian coordinates. In this case, the antenna rotates around the line joining the two points in space.

  • A string input describing simple rotations around one of the principal axes, 'X', 'Y', or 'Z'.

有关更多信息,请参阅Rotate Antennas and Arrays.

例子:'tiltaxis',[0 1 0]

例子:'tiltaxis',[0 0 0; 0 1 0]

例子:ant.tiltaxis ='z'

Note

TheWIRESTACKantenna object only accepts the dot method to change its properties.

Data Types:双倍的

Object Functions

show Display antenna or array structure; display shape as filled patch
axialRatio 天线的轴向比
梁宽 天线的光束宽度
charge 金属或介电天线或阵列表面的电荷分布
current Current distribution on metal or dielectric antenna or array surface
设计 设计原型天线或阵列,以共振围绕指定频率
效率 Radiation efficiency of antenna
埃菲尔德 Electric and magnetic fields of antennas; Embedded electric and magnetic fields of antenna element in arrays
impedance Input impedance of antenna; scan impedance of array
金属或介电天线或阵列结构的网格性能
网config Change mesh mode of antenna structure
优化 使用SADEA优化器优化天线或阵列
图案 辐射模式和天线或阵列的相;阵列中天线元件的嵌入式图案
图案Azimuth 天线或阵列的方位角图案
模式增长 Elevation pattern of antenna or array
rcs 平台,天线或阵列的计算和图雷达横截面(RCS)
returnloss Return loss of antenna; scan return loss of array
sparameters 计算天线和天线阵列对象的S参数
vswr 天线的电压站立波比

例子

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Create and view a corner reflector-backed dipole.

CornerRefector = ReflectorCorner
CornerReflector =具有性能的反射尺寸:激发剂:[1x1偶极子]地面平面长度:0.2000地下平面环:0.4000拐角处:90间距:0.0750导体:[1x1 Metal] tilt:0
show(cornerreflector)

图包含一个轴对象。带有标题ReflectorCorner天线元件的轴对象包含5个类型贴片的对象。这些对象代表pec,feed。

将辐射模式绘制为1 GHz。

图案(CornerFlector,1E9)

图包含一个轴对象和类型Uicontrol的其他对象。轴对象包含5个类型补丁的对象。

创建一个倒-F天线的线性阵列。

la = linearArray('Element',invertedf,“ elementspacing',0.1);

创建一个反射镜支持的线性阵列的倒出天线。

ant =反射角(“激励者”,洛杉矶)
ant =具有性质的反射尺寸:激发仪:[1x1线性array]地面平面长度:0.2000地面平面层:0.4000拐角处:90间距:0.0750导体:[1x1金属]倾斜:0 tiltaxis:0 tiltaxis:0 tiltaxis:[1 0 0]负载:[1x1 lumpedelement]:[1x1 lumpedelement]
显示(ANT)

图包含一个轴对象。带有标题ReflectorCorner天线元件的轴对象包含14个类型贴片的对象。这些对象代表pec,feed。

Create corner reflector-backed log-periodic antenna.

e = lpda; ant = reflectorCorner(“激励者”,e)
ant = reflectorCorner with properties: Exciter: [1x1 lpda] GroundPlaneLength: 0.2000 GroundPlaneWidth: 0.4000 CornerAngle: 90 Spacing: 0.0750 Conductor: [1x1 metal] Tilt: 0 TiltAxis: [1 0 0] Load: [1x1 lumpedElement]
显示(ANT)

图包含一个轴对象。The axes object with title reflectorCorner antenna element contains 7 objects of type patch, surface. These objects represent PEC, feed, FR4.

Version History

Introduced in R2018a