Create rectangular slot antenna on ground plane
slot object is a rectangular slot antenna on a ground
plane. The default slot has its first resonance at 130 MHz.
creates a rectangular
slot antenna on a ground plane.
s = slot
rectangular slot antenna, with additional properties specified by one, or
more name-value pair arguments.
s = slot(Name,Value)
Name is the property name
Value is the corresponding value. You can specify
several name-value pair arguments in any order as
ValueN. Properties not
specified retain default values.
Length— Slot length
Slot length, specified as a scalar in meters.
Width— Slot width
Slot width, specified a scalar in meters.
SlotCenter— Slot antenna center
[0 0 0](default) | three-element vector in Cartesian coordinates
Slot antenna center, specified as a three-element vector in Cartesian coordinates.
'SlotCenter',[8 0 0]
GroundPlaneLength— Ground plane length
Ground plane length, specified as a scalar in meters. By default, the length is measured along the x-axis.
GroundPlaneWidth— Ground plane width
Ground plane width, specified as a scalar in meters. By default, the width is measured along the y-axis.
FeedOffset— Distance from center along x-axis
Distance from center along x-axis, specified as a scalar in meters. Offset from slot center is measured along the length.
Load— Lumped elements
Lumped elements added to the antenna feed, specified as a lumped element
object handle. For more information, see
lumpedelement is the object handle for the load
Tilt— Tilt angle of antenna
0(default) | scalar | vector
Tilt angle of the antenna, specified as a scalar or vector with each element unit in degrees. For more information, see Rotate Antennas and Arrays.
'TiltAxis',[0 1 0;0 1 1]
tilts the antenna at 90 degree about two axes, defined by vectors.
TiltAxis— Tilt axis of antenna
[1 0 0](default) | three-element vector of Cartesian coordinates | two three-element vectors of Cartesian coordinates |
Tilt axis of the antenna, specified as:
Three-element vectors of Cartesian coordinates in meters. In this case, each 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'.
For more information, see Rotate Antennas and Arrays.
'TiltAxis',[0 1 0]
'TiltAxis',[0 0 0;0 1 0]
ant.TiltAxis = 'Z'
|Display antenna or array structure; Display shape as filled patch|
|Display information about antenna or array|
|Axial ratio of antenna|
|Beamwidth of antenna|
|Charge distribution on metal or dielectric antenna or array surface|
|Current distribution on metal or dielectric antenna or array surface|
|Design prototype antenna or arrays for resonance at specified frequency|
|Electric and magnetic fields of antennas; Embedded electric and magnetic fields of antenna element in arrays|
|Input impedance of antenna; scan impedance of array|
|Mesh properties of metal or dielectric antenna or array structure|
|Change mesh mode of antenna structure|
|Radiation pattern and phase of antenna or array; Embedded pattern of antenna element in array|
|Azimuth pattern of antenna or array|
|Elevation pattern of antenna or array|
|Return loss of antenna; scan return loss of array|
|Voltage standing wave ratio of antenna|
Create and view a slot antenna that has 1m length and 100mm width.
s = slot('Length',1,'Width',0.1); show(s)
Calculate and plot the impedance of a slot antenna over a frequency range of 100-150 MHz.
s = slot('Length',1,'Width',0.1); impedance(s,linspace(100e6,150e6,51));
 Balanis, C.A. Antenna Theory. Analysis and Design, 3rd Ed. New York: Wiley, 2005.