Noaman Naseer

11 Questions 18 Answers 0 Followers

Questions related from Noaman Naseer

What can be reason of difference between simulated and measured results ?

Dear All I have simulated two 4x14 patch antenna arrays in HFSS 3D layout for 24.2 GHz frequency. Coaxial feeding by using via is used for both designs. I have counter checked simulated...

24 January 2022 8,753 3 View

how to determine aperture, illumination and spillover efficiency of a reflectarray in HFSS ?

Hi everyone. I have calculated aperture, İllumination and spillover efficiency mathematically and now want to compare them with simulated one . I know how to extract Radiation efficiency...

23 December 2021 6,140 1 View

How to excite antenna with coaxial feed in HFSS 3d layout?

Dear all, I have question related to coaxial feeding in 3d layout how we do that and is there any manual explaining the steps

24 August 2021 8,037 3 View

Why return loss results of HFSS 3D module and layout is different?

Hi everyone I have design a 2x14 array by using HFSS 3D module and then exported the designed as dxf format and imported it in HFSS layout. When I compare both results they are very much...

17 August 2021 7,651 3 View

How to determine resonance frequency of multilayer microstrip antenna configuration ?

Greetings. I have a query related to analysis of multilayer microstrip patch antenna. The confıguration is shown in the figure attached. The antenna is on the bottom layer where as feed is on...

10 June 2021 8,279 7 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...

01 March 2021 4,947 2 View

How to excite TE10 mode in Floquet port ?

I am designing a reflectarray unit cell in HFSS, I am using Floquet port for excitation purposes. I have a couple of questions related to Floquet port modes 1. I want to use TE10 mode for...

14 February 2021 6,339 3 View

Resonance frequency of Patch antenna with a horizontal slot in center ?

Hi everyone I want to analyze the effect of slot on the resonance frequency of a microstrip patch antenna. do anyone know about articles where resonance frequency formula is updated to...

10 July 2020 477 3 View

What is the reason of spontaneous peaks dielectric constant measure through NRW algorithm?

I determining the dielectric constant of textile through waveguide method by using NRW algorithm. According to the theory there use to be some spontaneous peaks when the thickness of the...

14 March 2020 5,588 3 View

Reflectarray antenna excitation Through Horn antenn?

Dear All I am designing a reflectarray antenna by using HFSS. I have to excite this reflectarray by using a horn antenna. Do anyone have an HFSS manual or tutorial explaining this process....

06 March 2020 2,153 3 View

Difference between the S-Parameters of Active and Passive RF devices ?

Hi , I have the question regarding difference between scattering parameters of an active RF component and a passive Rf component. Do we need to follow same mathematical relation to calculate...

12 May 2018 2,331 12 View