maybe you can help me!

[cst-learner]

Hi!
I am a beginner in microwave!
My first job is about using an dielectric resonator to detection!
A dielectric resonator is loading on substrate , the metal patch on the dielectric resonator is vibrated and maked the dielectric resonator resonanting under an inciding wave
Any advise and articles is appreciate! I need papers about it!
regards.
cst-learner!

 

[BrunoK]

Have you tried to google it?

I tried and found a lot of material, specially a lot af articles in IEEEs explore site.

I would advice you to try it.

Br

Bruno

 

[cst-learner]

Hi
thanks!
I know that there are a lot of papers about dielectric resonaotr in IEEE.
But I don't find any use a single dielectirc resonator
for detection. ((A dielectric resonator is loading on substrate , the metal patch on the dielectric resonator is vibrated and maked the dielectric resonator resonanting under an inciding wave))
and I don't know how to simulate dielectric resonator in cst !

 

[cplia]

Hello cst-learner,

Mircowave studio is very user friendly, dont get panic!

If you want to simulate your dielectric resonator in isolation, the simplest
approach is to use the 'Eigenmode' solver. This will help you to investigate
and study the possible modes that it can support. Then you will be able to
understand how to couple the dielectric resonator with an external network,
such as a microstrip line. Use magnetic wall approximation in the boundary conditions (I assume that your er is relatively high, i.e. >20, otherwise
some possible deviations can incur. )

To my opinion, before you do anything else, it is very important to understand
what a mode is, how to classify them (TE, TM, HEM), and how to recognise
their field pattern. As a student i really struggled to get a clear idea of how to
approach these concepts, but without them you can't connect the physical
structure with a measurement. Check book from Kajfez 'Dielectric Resonators'.

When you feel more in control, then proceed with the transient solver.
The latter solver will simulate the effects both of the dielectric resonator and
the feeding structure.

Good luck, RF design is not easy but you can get good salary as an RF engineer

 

[cst-learner]

hi cplia thanks for your instructing!
before my post my topic,I have readed many papers about dielectric resonator's theory and design method.
But during my simulation with dielectric resonator with cst using eigenmode ,I don't know how to set the boundary condition (background metarial is pec ,the boundary condition is not know)
maybe you can help me!
I post a project.
Any advise will appreciation.
I really need help!
Regards!

 

[cplia]

Hi,

To set boundary conditions for any structure in microwave studio
is straightforward:

Click> 'Solve ->Boundary Conditions'

A new window appears. Define the boundary conditions by selecting
the appropriate expression within the X,Y,Z(min,max) boxes.

I think you really need to master the use of microwave studio further.

Have you studied the accompanied manuals of this software?
Spend a week working on the illustrated design 'Coaxial bend' within
the 'Getting Started' booklet. It is very helpful and it will answer almost all your
questions as a beginner. Trust me. Within a week or less you will have
your first results plotted in your mws screen! This example involves all the
main operations that any design in mws needs to have. The example
starts from zero and it takes you to the results. That's all you need!

Then start working on your project, using your knowledge from the previous
exercise. The procedure it more or less the same as in the example shown
within the mws booklet.

With patience you will soon build your confidence in working with cst.