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Questions related from Md. Imtiaz Kamrul
I am interested in visualizing the fringing field effects at the antenna ends. Are there any specific visualization options in HFSS that can highlight the fringing fields? Any tips would be much...
30 November 2024 4,726 1 View
I've attached a photo of two models. Model 1 does not have a slot, whereas model 2 does. If you look at both of these models' radiation patterns after adding a slot, the radiation pattern in the...
23 November 2024 5,107 3 View
How can I improve the S11 of a Vivaldi antenna to less than -20dB for 5-9 GHz bandwidth? The material is FR4, so what can I include here to improve the geometry?
01 December 2023 3,945 1 View
Why is the radiation pattern not oriented to the 0 degree? I got this raditaion pattern after simulation, but I wonder to know that why is the radiation pattern not oriented to the 0 degree...
06 September 2023 3,188 4 View
Is there a simple way to calculate the impedance of a coplanar Vivaldi antenna?
30 August 2023 2,824 3 View
Is there anyone who can help me in finding the appropriate template for this Elsevier journal?
21 January 2023 8,838 4 View
I'd like to address one of my concerns regarding multiline TRL calibration. After calibrating a frequency, I occasionally did not get the expected result. If you look at my attachment, you'll...
26 July 2022 7,006 5 View
If we connect the top and ground metal layers with a lot of Via, will the parasitic capacitance increase or decrease? As far as I know, it will reduce resistance.
17 June 2022 4,324 5 View
I'd like to add surface roughness to both the top and bottom layers. How am I going to do this?
17 March 2022 753 1 View
Good day everyone. Is the Normalized Standard Deviation only parameter for measuring the accuracy of the Multiline TRL? Is there any other way to show the effectiveness of Multiline TRL? Also,...
25 September 2021 7,193 2 View
𝐇𝐞𝐫𝐞'𝐬 𝐭𝐡𝐞 𝐡𝐚𝐫𝐬𝐡 𝐭𝐫𝐮𝐭𝐡 𝐚𝐛𝐨𝐮𝐭 𝐭𝐡𝐞 𝐑𝐨𝐥𝐞 𝐨𝐟 𝐒𝐢𝐦𝐮𝐥𝐚𝐭𝐢𝐨𝐧 𝐓𝐨𝐨𝐥𝐬 𝐢𝐧 𝐀𝐧𝐭𝐞𝐧𝐧𝐚 𝐃𝐞𝐬𝐢𝐠𝐧: they're the backbone of true innovation and efficiency! Simulation tools act like silent superheroes, allowing...
01 January 1970 1,352 2 View
I’m looking for recommendations on high-quality research papers that not only demonstrate interesting antenna designs but also provide solid fundamental analysis—such as equivalent circuit models,...
01 January 1970 2,348 1 View
