3. Analyze and reflect on the features of any three different types of Reflector antennas with...

3. Analyze and reflect on the features of any three different types of Reflector antennas with
necessary diagrams.

Expert Solution

Three different types of reflector antennas are:

1.Parabolic Reflector Antenna

2.Plane Reflector Antenna

3.Corner Reflector Antenna

1.Parabolic Reflector Antenna

This antenna uses a curved surface with cross-section of a parabola to direct the radio waves.
the overall radiation charaxteristics like antenna pattern,antenna efficiency,polarization etc of a reflector can be improved if the structural configuration of its surface is upgraded
parabolic antennas are used as high gain antennas for point to point communications
These are widely used in microwave relay links,wireless WAN or LAN and in aeroplanes and guided missiles

2.Plane Reflector Antenna

It is a simplest type of antenna.
It consist of primary antenna and reflecting surface introduced to direct energy in a desired direction.
Position of radiating source and its relative to thereflective surface can be used to control the radiating properties like pattern,impudence and activity.

3.Corner Reflector Antenna

It is a type of directional antenna used at VHF and UHF frequencies.
Feed elements for it is always a dipole or an array of collinear dipoles placed parallel to the vertex .
Greater bandwidth is obtained when the feed elements are cylindrical or biconical dipoles instead of thin wires.
These are especially used when the wavelength is large compared to tolerable physical dimensions.

Manojponduru answered 4 months ago

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