Punyatoya Routray

11 Questions 7 Answers 0 Followers

Questions related from Punyatoya Routray

Does the relative permittivity of a substrate remain constant with frequency or it varies?

Hello sir/ma'am I have designed a metamaterial using FR4 substrate of relative permittivity of 4 for C, X, Ku band applications. Now I want to fabricate it for measurement. When I am sending it...

09 January 2023 4,177 3 View

How to calculate capacitance between two circular ring structure?

There are two concentric ring structures. I want to calculate the mutual capacitance between them. Can I use the formula for the calculation of the capacitance per unit length between two cylinders?

06 August 2022 4,168 0 View

How to find out L, C value from equivalent circuit and S-parameters value in ADS circuit simulation software?

I have designed the equivalent circuit of a metamaterial absorber which consists of L, C. S parameter, I got from CST software. Now I want to find out the lumped parameter values. So kindly help...

17 July 2022 8,080 4 View

What is mesh adaption termination because of maximum passes is reached?

Dear Sir/ ma'am When I am doing a simulation of a unit cell of metamaterial in CST, I am getting a warning "mesh adaption termination because of maximum passes is reached". What is it and how...

29 May 2021 485 2 View

Whether AEU journal is a good journal or not ?

Dear sir/ma'am I am thinking to submit a research paper in AEU-International Journal of Electronics and Communications - Elsevier. From the internet I got its impact factor is 2.9. Can you...

16 April 2021 1,926 4 View

Where to get basic concept to design an equivalent circuit of an metamaterial?

Dear sir/ ma'am I am designing a metamaterial absorber based on a split ring resonator. Now I want to design its equivalent circuit in terms of R, L, C and want to calculate its R, L, C value....

15 April 2021 9,208 8 View

How to create a Gerber file for board outline of an antenna for PCB fabrication?

Sir, I am able to generate the Gerber files of an antenna from CST software for fabrication. But I am not able to generate or create a Gerber file for the board outline for PCB fabrication....

05 April 2021 3,270 3 View

How to write reflection coefficient in terms of its co and cross polarization reflection coefficient?

For the design of a metamaterial absorber, both co and cross-polarized reflection coefficients are required to calculate absorptivity. So I want to know the mathematical relation between the...

05 January 2021 6,053 0 View

Like reflection co-efficient plot, can we get the impedance plot of a metamaterial absorber directly in CST?

I know, the impedance of a metamaterial can be calculated from S-parameters. But is it possible to measure impedance directly in CST like the plot of reflection co-efficient and transmission...

04 January 2021 3,405 4 View

How to measure the transmission co-efficient of Matamaterial absorber in CST software?

I know the transmission co-efficient of a Metamaterial absorber is zero as there is a complete ground plane at the backside of a substrate. But to retrieve the permittivity and permeability value...

28 December 2020 5,684 4 View

What is the relation between reflection and refraction? How negative refractive index materials help to improve the gain of an antenna?

When negative refractive index material used as superstate, it helps to increase the gain of antenna. What is the concept behind it?

15 October 2019 2,967 7 View