Son Chu

7 Questions 15 Answers 0 Followers

Questions related from Son Chu

Transparent colour problem in CST - Surface Current?

Hi everyone, I used CST to simulate the current distribution of an antenna. The results are ok but I have a problem with the colour display. As you can see in the attached file, the colour is...

03 March 2018 1,528 6 View

Attenuation constant (alpha) from CST eigenmode solver? or another way?

Hi everyone, I am simulating a waveguide structure. I can obtain the Phase constant (beta) from the CST eigenmode but I don't know how to obtain the attenuation constant from CST. Could you please...

11 November 2017 2,783 2 View

How to get the full inductance matrix from CST M-static?

Hi everyone, I am using the CST M-static to calculate the inductance of coils. For one coil, I can successfully get the self-inductance of it. I used current path. However, for two coil...

11 November 2017 1,781 3 View

How can I calculate the channel coefficient in cooperative networks?

Hello, everybody In the cooperative networks, is the channel coefficient from source to a relay calculated by the equation: h= sqrt(1 / (D^alpha)) * (1 / sqrt(2)) * (randn + i * randn) where D is...

11 November 2014 8,559 4 View

What is the optimal bandwidth in the equation of OSNR with four-wave mixing?

I am simulating the effect of FWM and ASE noise. finally, at the receiver OSNR= Pout/ ( Pfwm + S * BW * m) where the S is the ase density, m is the number of amplifier. I have 10 channels with...

08 August 2014 8,002 6 View

What is the minimum required OSNR?

I heard that the minimum OSNR of an optical fibre system is 22.7 dB. Is that correct? What is the reference for that conclusion?

08 August 2014 2,029 5 View

Does anyone have experience with Four-wave mixing?

Hi, I am working on four-wave mixing. Just a substitution of values to equation but I am very concerned about the unit of each factor. Please help me by calculating the typical power of FWM which...

07 July 2014 6,705 10 View