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## Plot Radiation Pattern In Matlab |

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36 Threads found on edaboard.com: **Plot Radiation Pattern In Matlab**

Hi all:
I want to know how to **plot** **radiation** **pattern** in dB (Logarithmic) in **matlab**?
Thanks.

Electromagnetic Design and Simulation :: 11.04.2009 04:13 :: si14 :: Replies: **17** :: Views: **45474**

hi
anybody has **matlab** code or any program to **plot** **radiation** **pattern** of different types of antennas (dipole,...)
both 3d and in the planes xy,yz,xz,... or any other plane
thanks

Electromagnetic Design and Simulation :: 08.03.2003 08:32 :: mmelek1 :: Replies: **2** :: Views: **4911**

Hi,
I want to find an equation which can describe the **radiation** **pattern** of an arbritary monopole. I want to use this equation to **plot** the 3-D **radiation** **pattern** in **matlab**.
I also want to investigate the difference in **radiation** **pattern** when the monopole (...)

RF, Microwave, Antennas and Optics :: 01.04.2004 07:45 :: supersun :: Replies: **1** :: Views: **1638**

You should check the **matlab** command you used for **plot**. The color usually is according to the Z value by default, rather the distance from the origin as you expect.

RF, Microwave, Antennas and Optics :: 10.06.2010 11:00 :: wandering heart :: Replies: **1** :: Views: **1001**

Hi, i am doing a project to simulate the **radiation** **pattern** of antenna in **matlab**. Can i get any code that can help me to **plot** the **radiation** **pattern** in E-plane and H-plane? thanks for help.:-D

Electromagnetic Design and Simulation :: 06.03.2011 03:39 :: wj123 :: Replies: **4** :: Views: **2470**

Hi there. I'm looking for help on the simulation of loop antenna's **radiation** **pattern** on polar **plot**. I am rather lost. I have read some things on the topic and even browsed through **matlab**'s HELP ... but I couldn't find anything that could teach me how to **plot** the **radiation** (...)

RF, Microwave, Antennas and Optics :: 26.07.2008 11:32 :: aredhel :: Replies: **6** :: Views: **2372**

Hello,
Yes, you can do it by using **matlab**,I've tried and I think that it works. If I understood well you want to **plot** your E-field or H-field or Gain (it is the same) as a function of phi and theta. you just have to **plot** A=f(theta,phi) what I suggest is to tranform your funtion in xyz coordinate system and then **plot** A as (...)

RF, Microwave, Antennas and Optics :: 07.08.2009 16:29 :: asturias :: Replies: **5** :: Views: **4281**

Hello,
I've made a 2x2 aperture coupled microstrip antenna array. I have the S-params of each antenna element, and also of the corporate feed.
I cascaded them in Sonnet with Netlist. The resulting **plot** is a S11 **plot**.
I'd also like to get the **radiation** **pattern**. Do you know how I can get this?
I've heard I can (...)

Electromagnetic Design and Simulation :: 10.12.2009 14:09 :: danielkicks17 :: Replies: **1** :: Views: **1110**

i would like to **plot** the simulated and measured **radiation** **pattern** in polar form. How can i achieve this?

RF, Microwave, Antennas and Optics :: 28.04.2011 00:34 :: shaen :: Replies: **1** :: Views: **586**

hi i have the same problem is it possible to shre your **matlab** code? i want to **plot** farfield result wich i get from cst (i have numbers in db for each theta ) i just use polar (theta,farfield) comment but my 0 position and 90 ,.. arent same as a farfield **plot** .what should i do?

Electromagnetic Design and Simulation :: 11.04.2014 05:01 :: amntt :: Replies: **2** :: Views: **853**

hi
@nsoft desinger draws the **radiation** **pattern** in polar **plot**. how I can convert into rectangular **plot** ????
Thank you .

Electromagnetic Design and Simulation :: 28.03.2004 16:19 :: max232 :: Replies: **9** :: Views: **2503**

Electromagnetic Design and Simulation :: 18.11.2004 11:15 :: mogwai :: Replies: **7** :: Views: **5582**

use the **plot**3 function but your inputs should be proper.

RF, Microwave, Antennas and Optics :: 06.04.2005 04:16 :: brmadhukar :: Replies: **3** :: Views: **7875**

Can anybody help me to make 3D **plot** of any type of Antennas' **radiation** **pattern**.
Help me please for **matlab** 7.0.
Waiting

RF, Microwave, Antennas and Optics :: 20.06.2005 09:48 :: ishtiaq :: Replies: **4** :: Views: **1967**

Try Originlab or Stanford Graphics. They have polar **plot**s...not sure if excel has a polar **plot** template.

Electromagnetic Design and Simulation :: 14.04.2006 20:06 :: savedadogs :: Replies: **5** :: Views: **2191**

Have u capture the 3D data from measuremetn? You can build a 3D matrics in **matlab** to **plot** the 3D graph

RF, Microwave, Antennas and Optics :: 15.05.2007 03:06 :: eecly :: Replies: **6** :: Views: **2451**

hi can any one plzz tell that how to **plot** the **radiation** **pattern** of a parabolic raflector array in **matlab**.??
does it depends on the no of elements if so then plzz tell how can i calculate the **radiation** **pattern**..!!!
thanx in advance..

Electromagnetic Design and Simulation :: 06.05.2008 13:37 :: hussain_kiet :: Replies: **0** :: Views: **1390**

in the book antenna and em modeling with **matlab** he used sphere for the **radiation** **pattern** **plot** of the antennas ,how to model that spher in **matlab**

RF, Microwave, Antennas and Optics :: 10.03.2010 03:22 :: hari_4613 :: Replies: **0** :: Views: **723**

Hi,
Is there a quick tool to generate the **radiation** **pattern** **plot** for wire antenna /array
Thanks

RF, Microwave, Antennas and Optics :: 10.05.2010 21:24 :: Shehata :: Replies: **1** :: Views: **1135**

dear acrislg
thanks for your reply
I try this code but unfortunately obtain this **plot**:
Phi=(0:1:180)*2*pi/180;
Theta=(0:1:180)*2*pi/180;
=meshgrid(Theta,Phi);
R=sqrt(1-(sin(THETA)^2.*sin(PHI)^2)).*(sin(pi.*cos(THETA)));
X=R.*sin(THETA).*cos(PHI);
Y=R.*sin(THETA).*sin(PHI);
Z=R.*cos(THETA);
figure();
me

Electromagnetic Design and Simulation :: 04.06.2010 14:30 :: project.email :: Replies: **2** :: Views: **2095**

I want a **matlab** code for **plot**ting **radiation** **pattern** of broadside array antenna and also for endfire array antenna

Electromagnetic Design and Simulation :: 05.08.2010 08:02 :: madhuri62 :: Replies: **4** :: Views: **5818**

Who said you cannot with dB values. you have to do a scaling of the dB scale in order to **plot**.like this i dont have **matlab** installed on my new puppy ,old one crashed otherwise i would've shown you how.but for time being consider this
polar(theta,40-10*log10(x)
and fit yours into the above .you do a 40 Db adjustment because log of negative value

Electromagnetic Design and Simulation :: 12.01.2011 10:44 :: rotmanlens :: Replies: **10** :: Views: **1908**

Hi
**radiation** **pattern** give you an idea about the coverage of an antenna gain and maximum detection area (3dB point ) the easiest way to draw the **radiation** **pattern** is to draw it manually by direction and magnitude you take the antenna and feed it by power and use an isotropic detector (omnidirectional ) to receive the signal (...)

Electronic Elementary Questions :: 12.02.2011 08:30 :: hitman1988 :: Replies: **3** :: Views: **5752**

cn we able 2 find out the directivity in 2d **plot** of half wave dipole,....i got 8 shaped **radiation** **pattern** hw 2 obseve its directivity?? i hve given theta range from 0:pi*0.01:2*pi,.and electric field formula e=(cos((pi/2)*cos(theta)))/sin(theta) ,.i am doing in **matlab**

Electromagnetic Design and Simulation :: 06.03.2012 12:25 :: rosey :: Replies: **1** :: Views: **1050**

hello to a looking for any **matlab** codes that **plot** out the **radiation** **pattern** of a circular patch antenna...does anyone know anything in regards to this matter?

RF, Microwave, Antennas and Optics :: 16.04.2005 17:34 :: sonic_maelstrom :: Replies: **1** :: Views: **988**

hi guys !!
how can i integrate this function in **matlab** ? E=(cos(2×pi×cos(θ)) - 1) /sin(θ)
also , how can i **plot** the (RP) **radiation** **pattern** of an antenna in 3D ...
where ; RP = =((cos(2×pi×cos(θ)) - 1) /sin(θ))^2
thank u !!!

Software Problems, Hints and Reviews :: 12.10.2005 17:56 :: nice^guy :: Replies: **1** :: Views: **1261**

hi friends
can u tell me how i can get gain in dB,beamwidth and directivity of a **radiation** **pattern**. I am using HFSS,it gives very large values because it does not consider reflected powers.
I want to **plot** it on **matlab**. i get **radiation** **pattern**s of azimuth and vertical planes by (...)

Electromagnetic Design and Simulation :: 06.06.2007 03:46 :: Rf engineer :: Replies: **0** :: Views: **2110**

Hi to all,
Can anyone provide some input how one can **plot**/generate in **matlab** and/or C# (or C++) a 3D antenna **pattern** from the E and H plane **pattern**s?
Any input will be highly appreciated.
Many Thanks, Cross

RF, Microwave, Antennas and Optics :: 22.08.2007 09:17 :: cross :: Replies: **1** :: Views: **1778**

Hi, I need to calculate **pattern** **radiation**.
Could someone send me a **matlab** code to **plot** the **pattern** **radiation** of helicoidal antennas?
Thanks!

RF, Microwave, Antennas and Optics :: 12.11.2007 19:56 :: scheila :: Replies: **7** :: Views: **3907**

Hi everyone, I have to **plot** a 3D **plot** of a microphone array beam**pattern** using **matlab**.
For example, I have to **plot** the 3D **pattern** **radiation** of a microphone array with M=7 microphones, with d=0.05m element spacing and uniform shading.
I think I have to use the function surf. (...)

Digital Signal Processing :: 05.05.2008 18:39 :: nature.boy :: Replies: **0** :: Views: **1218**

hi, am doing my final project at the university of zambia africa. somebody help me with how to simulate or write a **matlab** code for a 3D **plot** of a gsm base station antenna electric field strength that is its variation as u move away from the station, that is keeping in mind the type of antennas used. also the code for **radiation** (...)

Electromagnetic Design and Simulation :: 25.12.2009 11:09 :: mulenga84 :: Replies: **1** :: Views: **3338**

Hello
Is there a method to **plot** the **radiation** efficeincy vs frequency
using the transient solver of CST microwave studio ?
it exists in the **radiation** **pattern** but only vs theta or phi for a single frequency
thanks

Electromagnetic Design and Simulation :: 12.01.2011 04:05 :: flashking :: Replies: **2** :: Views: **2029**

Why would you want to simulate an antenna when you already have the **pattern**?
Knowing the close formula, i would use **matlab** to **plot** the **pattern**.

RF, Microwave, Antennas and Optics :: 26.04.2011 10:33 :: Kohi_boy :: Replies: **6** :: Views: **1025**

hello everyone :
i have two questions to ask ,may be very simple to most of you
1 i am simulating patch antenna,i can obtain the s parameter of the antenna with different dielectric constant separately , but how to contain the s parameter with different dielectric constant just in a **plot** for the use of comparation?ia there any effect

Electromagnetic Design and Simulation :: 08.06.2006 09:42 :: sanders :: Replies: **9** :: Views: **787**

Could someone send me a **matlab** code to **plot** the **pattern** **radiation** of helicoidal antennas?

Electromagnetic Design and Simulation :: 26.11.2009 13:22 :: helixman :: Replies: **8** :: Views: **2366**

i am a btech student working on random fractal antenna arrays for my final year project. i am presently doing the comparison of **radiation** **pattern** of sierpinski carpet gasket, cantor set...i look for some suggestions on wat more i can do in this area which will make a good thesis. being and undergraduate, i don't have in depth knowledge of antennas

RF, Microwave, Antennas and Optics :: 01.03.2010 13:36 :: suriyag :: Replies: **0** :: Views: **812**

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