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Questions related from Mohamed Lamine Tounsi
Since multiband antennas have multiple applications, particularly in MIMO and beamforming systems, what are the main techniques used to generate multiple resonant frequencies for 5G ? Thanks for...
24 January 2025 9,745 4 View
The necessary compromise between bandpass, gain and compactness in multiband or beamforming antenna design invites the designers to find and explore new techniques to minimize SLL while...
02 January 2025 8,314 4 View
In general, there are many criteria to enhance RG score such as number of reads, full text reads, citations and recommendations. Among these parameters, what are the most important to boost the RG...
30 December 2024 769 3 View
5G antennas (or antenna arrays) are designed to generate dedicated stream of data to every single user with more capacity, speed and low latency rate. Depending upon the direction of the user...
07 December 2020 1,842 4 View
It is known that electromagnetic performances of planar antenna structures can be impacted by the mechanical/manufacturing tolerances. What does this impact mean? And what are the antenna...
15 November 2020 445 3 View
When two superconducting materials are separated by an insulator of very few thickness and are connected by a wire, a dc current flows in the external circuit (dc.Josephson effect). However, if...
10 October 2020 6,542 2 View
We want to design planar antennas (in open or shielded configuration) by using HFSS software but we are facing a problem with boundaries conditions. How to select theses boundaries.? Thanks in...
19 September 2020 7,848 3 View
At THz frequencies, the microstrip-line width W becomes of the same order that its thickness t. In these conditions, are CST or HFSS tools able to take into account this restrictions (W very close...
12 September 2020 3,137 3 View
If it is possible, how can we proceed to create this material
12 September 2020 3,399 4 View
According your personal experience and knowledge about these two CAD tools (HFSS and CST), what are their strengths and weaknesses as well as their advantages and disadvantages in design of...
13 August 2020 2,816 10 View
It is known that when the spin correlation is strong enough, no pairing gap occurs but a pseudogap. In the other hand, when the spin correlation is sufficiently low, there is no pseudogap but a...
05 August 2020 3,681 2 View
Does the wavelength the unique criteria to choose the size of unit cells in metamaterial regime ? particularly for microwave applications.
28 July 2020 549 6 View
In despite that many metamaterial designs in the literature are often lossy, total losses are governed by design considerations and material choices rather than anything relative to the resonance....
23 July 2020 5,011 3 View
This is to know what EM simulating software can simulate a microwave circuit (microstrip line, filter, antenna..) based on suoerconductor. Thanks in advance.
23 July 2020 2,512 0 View
Due to the almost isotropic character of their electronic properties, heavy fermion materials are low temperature superconductors. Organic materials should not have a high Tc either. Furhermore,...
22 July 2020 1,500 9 View
To my knowledge, many electromagnetic simulators do not take into account the supeconductivity aspect when simulating any microwave circuit. Do you know, please, if it is possible to do that...
18 July 2020 6,150 0 View
As it has been understood, BCS theory is suitable for common metals that have almost isotropic physical properties. So, isotropic materials are probably the low temperature superconductors....
17 July 2020 3,692 4 View
