Isolation enhancement of two Vivaldi antennas?

I design a 2x2 Vivaldi MIMO antenna for 5G application the S11 and other properties are good but the isolation is at -11dB i tried to use metamaterials in order to increase the isolation but it...

31 December 2018 8,706 3 View

Farfield radiation pattern measurement?

Please am looking for an information incase someone knows where i can take my antenna for radiation pattern measurement within china because alot of high impact factor journals are demanding the...

08 September 2018 1,506 7 View

How to export radiation pattern of E and H plane from CST to origin?

Hello please am looking for how to plot a radiation pattern exported from CST to origin software or excel?

02 March 2018 5,513 3 View

How to feed dielectric resonator antenna using aperture coupling method and microstrip line method using hfss?

My design is rectangular dielectric resonator antenna please can someone help me with how to feed my antenna using aperture or microstrip line method because the result am getting so far are poor...

31 December 2016 523 13 View

My question is on how to feed dielectric resonator antenna using aperture couple feeding method and microstrip line method?

I am designing a rectangular dielectric resonator antenna in which i used a microstrip line method of feeding and a stub at the centre of the dra as aperture but is given me some information...

01 January 1970 3,761 6 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

No title

Does anyone have the experience of using Taq Man probes in the QIAGEN Rotar- Gene qPCR machine?

01 March 2021 5,311 1 View

Is there a method of determining feed digestibility without the need to re-pellet the feed?

I am aiming to determine the ADC values of a commercial fish feed, but I do not have a steam pelleter or extruder available to me. Ideally, the pellets could be coated with some inert marker....

28 February 2021 7,967 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View