14 Questions 9 Answers 0 Followers
Questions related from Sebastian Tamayo
Hi everyone, What should it be the boundary conditions in CST studio to simulate the measurements inside an Anechoic Chamber? Regards Sebastian
19 May 2022 7,867 1 View
Hi, I have measured the Scattering parameters of two Patch Antennas with a VNA using an Anechoic Chamber as shown in the image (all the surroundings are covered). Now I want to simulate the...
09 May 2022 3,316 0 View
Can I calculate Permittivity and Permeability from S parameters which were measured with a VNA in a log Magnitude format?
04 May 2022 2,553 4 View
Why the Radiation Pattern of a Microstrip antenna that resonates at 5Ghz has the following radiation pattern? It seems to have an inclination angle. The image comes from CST and I did the same in...
09 March 2022 8,522 2 View
Hi, I would like to know how to design a patch antenna with central Frequency 5GHz with a narrower BEAMWIDTH? What are the parameters that influence this variable? Regards.
08 March 2022 550 4 View
Hi, I am designing a patch antenna with an Ansys HFSS toolkit. I put the parameters but when the software creates the antenna the feed length does not go to the edged and the port 1 is inside...
06 December 2021 1,740 4 View
Hi, My research involves the characterization of composite materials. For this, I have performed some measurements using a Vector Analyzer PNA5230A. The method was the free space using Horn...
02 December 2021 2,655 4 View
I would like to ask a question. I have performed many measurements on my samples with the free space method using the vector analyzer: N5230A PNA-L Network Analyzer, 2-ports Now I would like to...
01 December 2021 7,213 13 View
Hi, Could anyone help with the question: What are the operating frequencies of Chipless RFID TAGS? Regards Sebastian
22 November 2021 5,683 1 View
Hi community, My project involves the measurement of the Scattering parameters of composites with nanofillers (different percentages of CNT). In my lab we have the Network Analyzer which I am...
15 November 2021 898 1 View
Hi, I am currently working with a spectrum analyser with the frequency range of 300 KHz and 13GHz. I need to connect and antenna that works in those ranges. What are the equation that I need for...
12 November 2021 6,519 3 View
HI I've been trying to obtain the Prony series through various approaches i.e. Matlab, Digimat, Mcalibration. However, I have not found a solution. As you can see in the picture, the prony...
20 September 2021 4,886 0 View
Hi, I am trying to numerically model the viscoelastic properties of nanocomposites through the software DIGIMAT. For this, the software ask me for the Prony series as input. I performed DMA in...
17 September 2021 4,284 3 View
Hi, So, I have experimental data from DMA equipment of some samples containing CNT. I have plotted the storage modulus and loss modulus against temperature. But now I would like to compare these...
24 March 2021 4,536 3 View