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Parabolic Antenna pattern [hlp]

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elec350

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parabolic antenna pattern

hello
pls upld a sample graph for pattern of a parabolic antenna.
 

pattern of parabolic antenna

There are many types of parabolic antennas and their patterns differ significantly.
Assuming that you mean on classical parabolic reflector with front feed, pattern is called " pencil - beam ", and its 3D chart is illustrated on the following picture.

 

    elec350

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hello ND
what is the beamwidth of the pattern you upload? what is the usual beamwidth of parabolic antennas with front feed?
 

On this picture beamwidth is about 0.5°.

Usually beamwidth is about 1°.
 

    elec350

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hello ND
Does the pattern of an antenna depend on its feed?
 

Yes. Pattern depends of both, reflector and the feed.
 

    elec350

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hello ND
you wrote:
Yes. Pattern depends of both, reflector and the feed.
can you give me any reference?
 

OK, but i' m dealing with radars, so reference covers radar antennas. (also and some basic terms)

Merril I. Sklonik: Radar Handbook 2nd ed., McGraw - Hill. inc, 1990.

Chapter 6 covers antennas and chapter 7 covers phased antennas arrays.

It is little older book, but it is very good.
 

    elec350

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You might find a software package "SABOR" interesting. For serious analysis TICRA is often used.
 

    elec350

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hello Azulykit
you wrote:
You might find a software package "SABOR" interesting. For serious analysis TICRA is often used.
How we can access to these softwares?
 

Cash will gert you access to both. More in one case, less in the other. What have you done to try to locate any of these?

As a first step try the search feature above. If that does not get you started then try searching the web. If you still have trouble locating what you need then write back, explaining what you have tried and what you still need.
 

    elec350

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