Sharath Maadam

MathWorks

Last seen: 1 jour il y a | Actif depuis 2021

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DISCLAIMER:Any advice or opinions here are my own , and in no way reflect that of MathWorks.

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Does MATLAB's pattern() function use full-wave MoM or superposition of elements for antenna array analysis?
Antenna toolbox uses full wave simulations for antennas and arrays. Different types of solvers can be found here:https://in.mat...

8 jours il y a | 0

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converting rectangular patch antenna into an implantable patch antenna
Conformal array using shapes can be used where different models can be imported and an antenna can be placed around it to check ...

8 jours il y a | 0

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array antenna output code
Below links can be used as reference based on the use case: https://in.mathworks.com/help/simrf/rf-receiver-modeling.html http...

8 jours il y a | 0

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Antenna Toolbox - Impedance v. Frequency sweeps produce different results between R2017a and R2017b. Which is correct?
Updated the code for latest version,which should give more reliable results. %%Investigating Rogers Corp. Antenna Dielectric Pr...

15 jours il y a | 0

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Query related to antenna design.
I modified the code with correct variables from the shared code,and the result looks correct. d = dielectric('FR4'); ant = spi...

15 jours il y a | 0

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Query related to antenna design.
I modified the code with correct variables from the shared code,and the result looks correct. d = dielectric('FR4'); ant = spi...

15 jours il y a | 0

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Query related to antenna design.
I modified the code with correct variables from the shared code,and the result looks correct. d = dielectric('FR4'); ant = spi...

15 jours il y a | 0

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How does the createFeed() by GUI (antenna toolbox and selecting a closed polygon) work as an excitation source?
For the given stl file mesh, feed can be selected interactively or by specifying the feed location. For the closed polygon case,...

22 jours il y a | 0

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Loop circular antenna rotation problem
Below code can be used. r = r0/2; c = loopCircular("Radius",r); [~] = mesh(c,'MaxEdgeLength',0.05); [p,t]=exportMesh(c); tr...

22 jours il y a | 0

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Simulation method of the influence of metal installed near the antenna
This use case can be achieved using conformal array with shapes workflow,where platform can be modelled using shapes and any ant...

24 jours il y a | 0

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design a parasatic antenna arrray
3d geometry workflows can be used to design the antenna using booleans. https://in.mathworks.com/help/antenna/3d-authoring.html...

environ un mois il y a | 0

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Antenna toolbox convergence problems
Meshing can be controlled manually using different Name-Value pairs available. For any specific issues,it would be helpful if an...

environ un mois il y a | 0

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How to create an antenna radiation pattern from a crossed Yagi-Uda Antenna
3D modelling can be used to generate different geometry structures using boolean operations from the available shapes. More in...

environ un mois il y a | 0

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Is it possible to design an array with N elements with each element resonating at a different frequency?
Conformal array need not be designed again using a frequency. Elements can be grouped together after they are designed at differ...

environ un mois il y a | 0

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Phased array in antenna designer not outputting directivity properly
Modified th spacing to achive better results. %% Yagi-Uda Conformal Array - Grating-Lobe-Free Version % Center frequency 11.8 ...

environ un mois il y a | 0

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Antenna Toolbox, how pattern function works?
Based on the largest dimension of the antenna or array setup,pattern will be calculated at a distance of 100 lambda by default,i...

environ 2 mois il y a | 0

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S parameters plot not making sense for antipodal Vivaldi antenna using antenna designer.
Dip for the antenna can be seen closer to 1.8 GHz,however specific antenna dimensions can be tuned like stripLIneWidth etc to im...

environ 2 mois il y a | 0

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Antenna Error [vert1,vert2] = em.internal.findEdgeVertices(ExciterVertices', ...
Feed Width seems to be small compared to patch boundary, code below can be used. clear; close all; clc; fclose all; freq = ...

environ 2 mois il y a | 0

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shape has NaN vertices when adding new shapes to the aggregate shape encloses a void; error assigning shape to antenna
For the above code,load appears in show(ant) for visualization. However load in mesh appears after running any analysis like imp...

environ 2 mois il y a | 0

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how to design a microstrip patch antenna using matlab ?
Hi, Design can be created using patchMicrostrip antenna element from Antenna Toolbox in matlab For more information,refere to ...

3 mois il y a | 0

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how to generate non-overlapping antenna array
Hi, conformal array will be able to position antennas at it required position using ElementPosition property. If there are any ...

3 mois il y a | 0

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Cassegrain Antenna Design Errors
Script seems to be running fine without any errors in 24b version.

4 mois il y a | 0

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Design a dipole antenna backed by a dielectric substrate and an infinite reflector of any dimension. Calculate the radiation pattern of the antenna.
Here are some links that helps to generate the use cases. 1.https://in.mathworks.com/help/antenna/ref/waveguide.html design(wa...

7 mois il y a | 0

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Parabolic Dish antenna!
Below code can be used to generate the structure. This solution is using full wave simulations. r=reflectorParabolic('Radius',0...

7 mois il y a | 0

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Bug in customAntenna (R2025/2026): isOnlyDielectric and horzcat errors with mixed PEC shapes
Based on the information provided, below approach can be used to create the antenna freq = 300e6; Height = 0.25; Radius = 0.0...

8 mois il y a | 0

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How to build an END-FED 1/4 wave dipole which is connected to a rectangular metal, not using dipole object in MATLAB?
Hi Jeena, I have provided a code below that lets you create the structure by using the 3d geometry building capabilties from An...

12 mois il y a | 0

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Using patternCustom to plot antenna Radiation Pattern in one figure
Updating the answer to work on latest matlab releases. %% --- Get data for Helix type antenna Radiation pattern---- h = h...

plus de 2 ans il y a | 0

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Using patternCustom to plot antenna Radiation Pattern in one figure
Code requires a bit of modifications that could serve as a work around for the issue. Modifications include using a property of ...

plus de 5 ans il y a | 0