Henry Ojukwu

5 Questions 9 Answers 0 Followers

Questions related from Henry Ojukwu

How can I obtain the input power (Pin) of a metasurface using the Poynting vector?

Hello everyone. I want to determine the simulated RF energy harvesting efficiency of a 5x5 unit cell metasurface, using this equation; ----------- Efficiency (n) = Pd/Pin The metasurface RF...

13 March 2022 6,139 2 View

How to create an infinite periodic unit-cell array (complete metasurface structure) in HFSS?

I just started work on intelligent reflecting surfaces to design metasurface structure antennas using HFSS. At this stage, I have successfully designed and simulated a unit cell element in HFSS...

14 August 2021 8,970 8 View

How can I change the input values of the circuit elements in CST schematic design studio?

Hello everyone, I am designing an equivalent circuit for a reconfigurable antenna that is intended to operate in millimeter wave GHz frequency bands, i.e., between 20GHz and 60GHz, using CST....

27 March 2020 8,057 3 View

Why is my antenna showing an impedance of 106.6 Ohms on the smith chart instead of 50 Ohms?

Hello everyone, I'm having difficulty with the line input impedance of a patch antenna signal. It's showing s1,1 impedance of 117 ohms on the smith chart but the correct impedance should be 50...

17 March 2020 6,700 3 View

What could have been the reason why the Boolean Add operation could not combine two shapes in CST MWS?

I am designing a patch antenna using the CST software application and everything is going well. However, more often than not, I will run into a situation whereby an attempt to perform a Boolean...

27 February 2020 5,564 6 View