Fazel Ghiasvand

5 Questions 6 Answers 0 Followers

Questions related from Fazel Ghiasvand

Dimension limitation of the electromagnetic unit cell simulation?

Hi, Is it necessary to simulate the unit-cell using FEM (HFSS, CST), its dimensions should be less than a wavelength? In other words, there is no dimensional limitation of the structure in the...

22 November 2022 9,598 3 View

Comsol Multhiphysics pre or post processing. perform of logical operation on two distinguished local variable?

How can I add or subtract (logical operator) the values obtained from two points in Comsol software? the values are valid on specified location, so i cant add or subtract results automatically....

28 July 2022 221 0 View

Absorber layer to decrease side lobe level?

What absorber material is suitable for the reflector antenna to reduce back lobe level? I would appreciate any suggestion and comments.

26 December 2021 4,654 10 View

Define of an absorber layer in high frequency electromagnetic software (HFSS,CST,Comsol)?

Hi every one. I want to put an absorber layer in the solution domain of an antenna (to absorb waves in unwanted directions) in HFSS software. How can i define such an absorber? Absorber boundary...

29 March 2021 5,842 3 View

Is it possibe to measure radiation pattern of antenna without anechoic chamber with gating in time domain of VNA ?

antenna radiation pattern

22 March 2018 6,979 5 View