# Shashank Kulkarni

Last seen: 1 year ago Active since 2015

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Can I design a reflective array antenna of patch antennas(elements) in matlab?
Antenna Toolbox has a pcbStack object which lets you design custom pcb antennas. This object should let you design the structure...

1 year ago | 0

Is the antenna coupling and polarization included in the antenna/phased array toolbox?
linearArray and rectangularArray include the effect of mutual coupling. ula and ura do not.

1 year ago | 0

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3-d Antenna Radiation Pattern in Spherical Coordinates
Antenna toolbox has a function called patternCustom which will help you plot the 3D radiation pattern from this data.

1 year ago | 0

How to use lumpedElement with a non-constant impedance (loading with capacitor)
lumpedElement has a property called Impedance and frequency. Both of these values can be vectors to describe a frequency depende...

1 year ago | 0

How to extract the impedance matrix (Z-matrix) of the Method of Moments Solution for an antenna?
You cannot currently access the MoM interaction matrix in Antenna Toolbox.

1 year ago | 0

Import custom antenna element to antenna toolbox
If you need to use EHfields , you need to use the linearArray object. EHfields can calcuate both near and far-field and you need...

1 year ago | 0

How do I create a spiral Archimedean antenna with custom strip thickness and spacing?
The Antenna Toolbox catalog supports a spiralArchimedean catalog element. Will that help? Below is a shipping example https://...

2 years ago | 0

plotting dipole radiation pattern
You can use Antenna Toolbox to solve this using two lines of code ant = design(dipole, 100e6); pattern(ant, 100e6);

2 years ago | 0

How can i write a general MATLAB code to calculate the antenna gains in dBi, when Diameter and Frequency is given?
Antenna Toolbox has a catalog of Antennas specified by geometry. One class is a parabbolicRefletor. In this object you can chnag...

2 years ago | 0

How to add dielectric substrate and ground with custom geometry antenna
You can add the customAntennaGemetry as an exciter to a backing stucture. The backing structure (reflecter or cavity) has a subs...

2 years ago | 0

How can I add a pure dielectric object near a installed antenna?
Currenty dielectric obejcts are not supported in the installedAntenna workflow. To create a dielectric object, you can make th...

2 years ago | 0

PCB BASED ANTENNA DESIGN AND SIMULATION
Yes you can read Gerber files in Antenna Toolbox using the gerberRead function. The doumentataion can be found here. https://ww...

2 years ago | 0

antenna arrays designer max frequency
Currenty we limit the frequency of operation to 200 GHz. We will look into extending this frequency limit in the future. Thanks...

4 years ago | 0

Using Antenna Toolbox to Model Custom 3D Antenna... Best method? Can pcbStack work for this?
Hello JC, In 20a version, we have aaded a customAntennaStl. In this case you can import an STL file (arbitrary 3D geometry) in ...

4 years ago | 0

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How to export the values of the radiation pattern from antenna designer to workspace
Export your design into a MATLAB script. Then you can pass a LHS to the pattern function to get the maginitude of the directivit...

4 years ago | 0

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Drive multiple antenna elements in array
Hi Chris, The code I wrote down was justa general idea. You would have to calculate the correct phaseshifts to make the beam fo...

5 years ago | 0

Model a dipole antenna in salt water
Hi Adam, You can start with the default reflector antenna object. The exciter in this case is a dipole. The refletcor object...

5 years ago | 0

Dual offset feeds on microstrip patch
Hello Jon, We have added a pcbStack abject in 17b. This object will allow you to model custom printed antennas. This antenna ca...

5 years ago | 0

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About a metallic cavity with slot antenna at one surface of the cavity
Hello Lu, Unfortunaley, we currently do not offer this functionality. Are you looking for a slotted waveguide structure? or is ...

5 years ago | 0

Drive multiple antenna elements in array
Hi Chris, You can pass in avector to the AmplitudeTaper and PhaseShift proeprties. For e.g. arr.PhaseShift = [10 20 30 40 50...

5 years ago | 0

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Can I design a Microstrip Patch Antenna ARRAY in Antenna Designer through the App Interface ?
The Antenna Designer app is only used to design antennas. You can export the antenna designed in the app to MATLAB workspace or ...

6 years ago | 0

How to model a J-Pole antenna with the antenna toolbox
Hello Christopher, Unfortunately, as of now you cannot model a J-pole antenna using Antenna Toolbox. We will try to support ...

7 years ago | 0

How can i design a custom double band PIFA in antenna toolbox. I have created a custom patch using PDE toolbox but i have problem in introducing a ground plane.
Hello Michael, In the 17a version of Antenna Toolbox, we have introduced a new object called pcbStack. We have also introduce...

7 years ago | 0

how do I create a log periodic antenna using the antenna toolbox
Below is the sample code to specify multiple elements of the same type (e.g. dipole) for the linear array. You can then access t...

7 years ago | 0

How to design a fractal antenna?
Antenna Toolbox is a new product in the MathWorks suite. In the 15b version of Antenna Toolbox, we have an object called customA...

8 years ago | 0

Is there an (upper) operational frequency limit in the Antenna Toolbox or Phased Array System Toolbox?
The upper frequency limit in Antenna Toolbox is currently set to 200 GHz. If you need to go above this frequency limit, plea...

9 years ago | 1

Can antenna toolbox be used for Co-site interference analysis?
No, Antenna Toolbox on its own currently cannot be used for interference analysis. However it would be nice to know more about y...

9 years ago | 0

Spiral Antenna Related from Antenna Tool box
This can be done but requires a little bit of work. In 15b Antenna Toolbox (ver 1.1), there is a method called exportMesh whi...

9 years ago | 0