Create rounded bowtie dipole antenna
bowtieRounded object is a planar bowtie antenna, with
rounded edges, on the Y–Z plane. The default rounded bowtie is center fed. The feed
point coincides with the origin. The origin is located on the Y-Z plane.
half-wavelength planar bowtie antenna with rounded edges.
br = bowtieRounded
creates a planar bowtie antenna with rounded edges, with additional
properties specified by one or more name-value pair arguments.
br = bowtieRounded(Name,Value)
Name is the property name and
Value is the corresponding value. You can specify
several name-value pair arguments in any order as
ValueN. Properties not
specified retain their default values.
Length— Rounded bowtie length
Rounded bowtie length, specified a scalar in meters. By default, the length is chosen for the operating frequency of 490 MHz.
FlareAngle— Rounded bowtie flare angle
Rounded bowtie flare angle, specified a scalar in degrees.
Flare angle should be less than
175 degrees and
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.
ant.Tilt = 90
'TiltAxis',[0 1 0;0 1 1]
tilts the antenna at 90 degrees about the two axes, defined by vectors.
wireStack antenna object
only accepts the dot method to change its properties.
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'
wireStack antenna object only accepts the dot method to change its
|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 center-fed rounded bowtie that has a flare angle of 60 degrees.
b = bowtieRounded('FlareAngle',60); show(b);
Calculate and plot the impedance of a rounded bowtie over a frequency range of 300 MHz-500 MHz.
b = bowtieRounded('FlareAngle',60); impedance(b,linspace(300e6,500e6,51))
 Balanis, C.A.Antenna Theory: Analysis and Design.3rd Ed. New York: Wiley, 2005.
 Brown, G.H., and O.M. Woodward Jr. “Experimentally Determined Radiation Characteristics of Conical and Triangular Antennas”. RCA Review. Vol.13, No.4, Dec.1952, pp. 425–452