Mehdi Alipour Masoumabad

4 Questions 12 Answers 0 Followers

Questions related from Mehdi Alipour Masoumabad

How to improve bandwidth in a special frequency band for an SIW structure?

Hi everyone, I have to need to improve the bandwidth in a special frequency band for an SIW structure. My SIW works in X-band but I don't get appropriate bandwidth from 8.2 GHz to 9.1 GHz. I've...

13 February 2019 8,087 7 View

How to decrease the magnitude of S11 parameter in SIW Leaky Wave Antenna in order to get wideband results?

Hi everyone, I need to achieve a wideband result from an SIW Leaky Wave Antenna. I've tried tapering the microstrip feedline but results for S11 are not appropriate yet. Also, I put patches into...

27 November 2018 542 9 View

How many passes is needed in CST or HFSS in order to reliability?

Hi, I've got a little misunderstanding about the convergence tables in CST and HFSS! One of my designs get converged after 5 passes, after pass number 5 it goes out of convergence to pass number...

06 December 2017 946 5 View

What is High Input Reflection Warning in CST???

I always face with this warning in CST for unitcell structures: "The input reflection of the S-parameters seems to be large at ... GHz, Theta: 0, Phi: 0. The mesh adaptation sample will not be...

29 November 2017 8,013 6 View