17
Laboratory work # 3
Theme: Design and analyze horn antennas using the Antenna Designer
app
Purpose of work: Learn to work with the Matlab Simulink environment.
Study the design principle and parameters of dipole antennas.
Horn Antenna Catalog
horn
hornConical
hornConicalCorrugat
ed
hornCorrugat
ed
Fig.3.1. Types of Horn Antenna.
Horn antennas come under the classification of aperture antennas. And are
most commonly used at microwave frequencies. Such antennas are used in space
applications. Horn antennas are used as feeding elements for large radio
astronomy,
satellite tracking, and communication dishes. These antennas are
also used in phase array applications.
Table 3.1.Objects
horn
Create
horn antenna
hornConical
Create conical horn antenna
hornConicalCorrugated
Create conical
corrugated-horn antenna
hornCorrugated
Create rectangular corrugated-horn antenna
hornRidge
Create double-ridged rectangular horn
Table 3.2. Functions
show
Display antenna or array structure; display shape as
filled patch
info
Display information about antenna
or array
18
hornangle2size
Equivalent flare width and flare height from flare
angles
numCorrugationsToPitch
Calculate pitch for specified corrugations
Command horn
Create horn antenna.
Description
The horn object is a pyramidal horn antenna with a standard-gain, 15 dBi.
The default horn antenna operates in the X-Ku band, which ranges from 10 GHz
to 15 GHz. By default, the horn antenna feed is a WR-75 rectangular waveguide
with an operating frequency at 7.87 GHz.
For a given flare angles of the horn and dimensions of the waveguide, use
the hornangle2size utility function to calculate the
equivalent flare width and
flare height of the horn.
Fig.3.2. Horn antenna parameters.
Creation
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