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Questions related from Mohamed Aymen El Cafsi
Hi, A Fabry Perot Cavity allows to increase the directivity of a low gain antenna by putting in the top of cavity a superstrate with high permittivity such as a ceramic (er=10.2). However,...
10 February 2021 7,261 8 View
Hi, We find a specific distribution of electric fields in structure for different frequencies which can be seen using em solvers and known as modes. I would like to know how we can choose the...
05 February 2021 10,504 3 View
Hi all, I simulated an open ended probe (coaxial cable) monopole antenna in CST mws. It works (good return loss, Input impedance 50). However, in HFSS, I designed the same dimension of...
03 July 2017 2,309 12 View
I would like to know if the equation of taper space (edges) of reflector, which is defined by ratio f/D , is an estimation of Side lobe level of the aperture D of the reflector?
27 March 2017 3,863 9 View
The idea consist to create a switcher from a power divider using varactor diodes to adjust impedance adaptation. For a 6 ways power divider, four outputs works well but two output don't work...
15 September 2016 10,160 14 View
I ask if it is possible to keep azimuth beamwidth constant and change it in elevation plane. I know that the change of one is related to the other. for example, the increase beamwitdh in azimuth...
30 November 2015 7,494 5 View
