Pure metallic Antenna ?

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Dose the metals oxides like (Fe3O4, ZnO TiO2) can coordinate with organic linker in the purpose of MOFs synthesis?

09 December 2020 4,896 2 View

I am trying to calculate L-Asparaginase activity and i am looking for a modified assay to detect aspartate not ammonia any suggestions?

I am trying to calculate L-Asparaginase activity and i am looking for a modified assay to detect aspartate not ammonia, actually trying to avoid working with Nessler reagent to be quite sure about...

19 November 2018 7,505 4 View

Is there a database for the mass attenuation coefficient (u/p) for aluminium for energies less than 1k eV?

I am trying to plot the transmission curve for aluminium with thickness of 15um for photon energies in the range of 10-10k eV the database provided by NIST X-ray Attenuation Databases:...

14 April 2018 4,689 3 View

Numerical modelling of structural controls on gold-bearing quartz veins. Does this seem attractive for a collaborator?

Numerical analysis Geo-sciences computational methods Mathematical methods in Geology

25 May 2015 6,962 6 View

What are the best techniques to increase the gain antenna more than 12dBi?

Antenna design in CST.

16 May 2014 1,412 25 View

I want an excellent freeware for detecting probable active sites in a protein sequence, suggestions please?

I have some deduced sequences for a specific protein from diseased as well as apparently healthy animals, I just want to detect active sites and see differences and their effect if any.

25 April 2014 1,798 5 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

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

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

Which polarizers are usually used to measure the birefringence of zebrafish muscles?

I already found several publications on that topic, however, the specifications for the used filters are often missing. Some more specific information than "fish is placed between to polarizing...

23 February 2021 1,934 1 View

2D or 3D phased array antennas??

Dear All, I will start my PhD maybe this year regarding phased array antennas. I'm interested in to find more detailed information about 3D phased array antennas and 2D phased array antennas. Then...

21 February 2021 368 3 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View