Why the radiation pattern have that directivity?

More Sebastian Tamayo's questions See All

What should be the boundary conditions in CST?

Hi everyone, What should it be the boundary conditions in CST studio to simulate the measurements inside an Anechoic Chamber? Regards Sebastian

18 May 2022 7,892 1 View

How to Simulate in CST Studio Anechoic chamber set up?

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...

08 May 2022 3,334 0 View

Can I calculate Permittivity and Permeability from S parameters?

Can I calculate Permittivity and Permeability from S parameters which were measured with a VNA in a log Magnitude format?

03 May 2022 2,680 4 View

How to design a Patch Antenna with narrower BEAMWIDTH?

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.

07 March 2022 574 4 View

Why the Feed length does not go to the edge in HFSS Antenna Toolkit? Ansys?

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...

05 December 2021 1,753 4 View

How to simulate free space measurements CST Microwave or Ansys HFSS?

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...

01 December 2021 2,695 4 View

What is the source signal of Network Analyzer?

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...

30 November 2021 7,244 13 View

What are the operating frequencies of Chipless RFID TAGS?

Hi, Could anyone help with the question: What are the operating frequencies of Chipless RFID TAGS? Regards Sebastian

21 November 2021 5,708 1 View

Why only horn antenna is used for VNA experiments ( Scatering Parameters) ?

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...

14 November 2021 1,014 1 View

Design and Antenna with Specific Frequency Range?

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...

11 November 2021 6,557 3 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

U you think We need a website software of Blackbody radiation law expert software?

A website software of Blackbody radiation law expert software can used through the following web site. http://39.105.188.151:3000/index

07 August 2024 1,706 0 View

Can a Conventional 50W visible LED Lamp Emit UV Light?

I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....

31 July 2024 3,843 7 View

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program?

How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...

28 July 2024 9,165 2 View

How to find ECC from radiation pattern on cst ?

i need to find ECC for 4-MIMO antenna using radiation pattern on CST

16 July 2024 7,291 1 View

What should I upgrade in my computer to speed up simulation in CST?

I want to reduce simulation time in CST for frequency domain solver by upgrading my computer. I already have discrete GPU but it doesn't seem to make any difference at all compared to integreted...

10 July 2024 2,789 4 View

What is Differential-Fed in microstrip patch ant? How it is design in CST studio? What is process and procedure to do Differential-Fed in CST studio?

What is Differential-Fed in microstrip patch antenna ? How it is design in CST studio? What is simulation process and procedure to do Differential-Fed in CST studio ?

08 July 2024 7,464 1 View

How to know the TM/TE modes in antenna design in CST studio?

How to know the TM/TE modes in antenna design in CST studio? Example: TM01 ,TM02 ,TM10, TM12, TM30 like this... how can identify the antenna is operate the above said mode? can any one explain...

08 July 2024 6,609 2 View

What is co-polarization and cross polarization? How can plot it from CST studio?

what is co-polarization and cross polarization? How can plot it from CST studio? what are steps and process for find out co-polarization and cross polarization from CST studio?

08 July 2024 7,869 1 View

How to give excitation to Crossed Dipole Antenna in HFSS?

I'm attempting to simulate a crossed dipole antenna. For excitation, I've placed a lumped port along each dipole. However, the resulting radiation pattern is similar to that of a single dipole....

08 July 2024 1,876 3 View

Malcolm White

I can't tell, but it also depends on the shape of the ground, and how big it is, and perhaps what your bottom boundary is (positive y direction).

A.C. Marvin

So what pattern does HFSS give you? Are you modelling exactly the same structure in each? Is the excitation the same in each model?