Phased Array - Steered Antenna Radiation Pattern

Animation of the radiation pattern of a 15cm square array of elements in the xy plane, separated 2.4cm in the x direction and 1.7cm in the y direction. X-band.
Conical scan, and linear scan

Category:

Science & Technology

Tags:

• Antenna
• radiation
• pattern
• antenna
• array
• phased
• arrays
• phase
• shift

[TheKarthikganesan]

Hi.. nice video.. Do u knw by any chance.. the best country and coll to specialize in Antennas and Signal processing combinedly??

[Mauricio567]

@TheKarthikganesan Though question. US is definitely the leader in Antenna development and PA technology, however most of the developments in this field are funded by the government and access is limited to foreigners. It all depends on where are you from and what you specific interest are.

[jeffpontell]

Mauricio,

This video is great. I found it particularly helpful in a simulation project I am in the process of conducting. I was wondering if there is a specific formula you have used to calculate the radiated power of your phased array. Please let me know if there is. Thank you.

[Mauricio567]

@jeffpontell @jeffpontell Thanks Jeff. I used AF factor equation from Balanis. Here I am plotting dB, which is a relative measure (not power)

If you need to calculate power radiated by your antenna array I suggest:

-Use the current of one element to calculate the electric field E(theta,phi) at a distance r.

-Use the field of one element and the array factor to calculate the Electric field of the array.

-Use ExH to calculate power

-Integrate over a sphere if you need total radiated power

[Iraqi0Ammar]

hi, which software have u used and what was the array element that is used ? and what is the array size ? was it 4 X 5 or something else? which software was used to simulate? was it HFSS ?

Thanks

[Mauricio567]

@Iraqi0Ammar Array size 4 by 4. Spacing 2.4cm in X and 1.7cm in Y. Frequency 9.5GHz. This is purely array factor equation written on matlab. The antenna element pattern assumed was an isotropic radiator. No HFSS on this one.

Thanks,

[MrShahvaizpasha]

That was awesome, i myself working on beamforming may have the code please?

[jeffpontell]

Hi Mauricio,

This video is great, first off. I have a question: Is there a particular equation you use to find the radiated power of a two-dimensional phased array? I am trying to run a simulation and have the rest of the factors figured out.

Thanks

[Iraqi0Ammar]

hi, which software have u used and what was the array element that is used ? and what is the array size ? was it 4 X 5 or something else? which software was used to simulate? was it HFSS ?

Thanks

[nosidetrips]

ouch! decrease your lattice spacing dude!

[maxdelbruck]

This is very nice. Ouching horoshow!

[afxgrin]

Those are some fancy balloons you've got going there.

[Mauricio567]

I am using Matlab and the Array factor equation assuming isotropic elements.

[yuzhangoscar]

Sorry, which CAD package are you using?

[ygoldeng]

Good job, dude