Jean Lambert Kubwimana

6 Questions 9 Answers 0 Followers

Questions related from Jean Lambert Kubwimana

What are today's antenna design challenges?

I have a great understanding of today's need for most wireless communication technologies, and we are indeed in very challenging era in antenna design. A huge Demand for high capacity, high gain,...

06 June 2018 8,299 9 View

How to calculate and simulate the impedance of a mesh grid?

Hi everyone, Can you share with me some thoughts on how I can accurately calculate the impedance of mesh grid?I have attached the picture of ideal structure I am interested in. Basically, if you...

11 December 2017 6,663 2 View

Is planar or conical spiral antenna also log periodic?

I know this my sound a little bit basic but I know spiral antennas either planar or conical were developed by Rumsey,J Dayson,and et al;at the same time Raymond DuHamel and Dwight Isbell were...

03 June 2017 8,495 3 View

How to add and display dimensions on structure in HFSS?

Hi everyone, I know with other autocad software you can add and display dimensions of a structure but how do we do this in HFSS? In HFSS you can view dimension through modeler->measure>then...

01 August 2016 3,396 3 View

How big a substrate has to be?

Anyone save me please I know patch antenna dimensions can be calculated easily but how big(width and length) of a substrate have to be?And what about its exciting ports(in case of waveport and...

29 April 2016 1,441 6 View

Can anyone share insight into the current size of mobile device?

Today's mobile devices are getting bigger and bigger in size which looks like we are getting back 40 years ago when the first cellular phone was invented by Martin Cooper of Motorola.The size of...

03 December 2015 5,454 5 View