How orthogonal modes are generated in antenna?

What is the physics behind the generation of orthogonal modes in antenna to ensure circular polarisation? Please suggest your answers. Thank you.

31 December 2017 3,779 3 View

What happens when normal EM-wave incidents on a metal plate (perfect conductor)?

What happens when electromagnetic wave (EM) incidents on a metal plate? Does it reflect back? If yes then how to calculate how much (percentage) is reflected back. Kindly suggest any mathematical...

02 March 2017 4,506 3 View

How we can apply FDTD or FEM method for modelling of an antenna ?

Can any one please suggest me the procedure for applying FDTD or FEM (or any other) method on modelling of a rectangular/cylindrical shape (3-dimensional) antenna as well as to get other...

06 July 2016 4,005 5 View

What is Co-Polarization and Cross-Polarization in terms of both E-Plane and H-Plane in HFSS ?

Hi, I have little confusion about E-Plane Co-Pol and Croos-Pol, H-Plane Co-Pol and Cross-Pol. How we can find those in HFSS ? If any one have solution kindly suggest me. Thanking You. Sounik Kiran

02 March 2016 7,244 17 View

Can we import a random image (JPEG or any format) in to HFSS ?

I want to insert a random shape. Can I import that image to HFSS ? Apart from this kindly suggest me, how to create 3D elliptical shape in HFSS ? Thanking You. Sounik Kiran

01 February 2016 8,472 0 View

How can I measure Axial Ratio of a Dielectric Resonator Antenna ?

I want to measure the axial ratio (Not in simulation software but with the fabricated model). Kindly suggest me the steps.

31 December 2015 1,294 6 View

Can we get constant gain for an antenna operating over an Ultra Wideband range?

31 December 2015 1,578 9 View

Can I use the solution frequency beyond the bandwidth range ?

I have designed an antenna which is operating in certain range but the solution frequency is beyond that range...If I am changing the solution frequency in to that bandwidth range then the...

09 October 2015 3,918 6 View

What is the difference between Returnloss(dB) and S11(dB) ?

Actually some research papers have written Returnloss(dB) and some others have written S11(dB). Couple months back I had seen there was an article in IEEE which has given the clarification. If any...

07 August 2015 2,291 13 View

If research is published in conference proceedings, can it still be published in journals?

Also if further improvements have done as compared to conference paper and the detail analysis is mentioned.

04 May 2015 1,575 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

What is your preference for journals for publishing in the field of Hyperspectral Imaging or Remote sensing?

I believe that we need to share our experience in publishing in the field of Hyperspectral Imaging or remote sensing? What is the best journal that you publish with? What is the worst experience...

23 February 2021 3,411 4 View

2D or 3D phased array antennas??

Dear All, I will start my PhD maybe this year regarding phased array antennas. I'm interested in to find more detailed information about 3D phased array antennas and 2D phased array antennas. Then...

21 February 2021 368 3 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View