D. N. H. Nam

5 Questions 12 Answers 0 Followers

Questions related from D. N. H. Nam

How to calculate the eddy current loss in a nonmagnetic metallic sheet caused by high frequency electromagnetic radiation?

Suppose the radiation comes in the normal direction to the sheet

10 October 2013 8,187 1 View

Does anyone know the method(s) to calculate impedance from permittivity and permeability?

Impedance of a material can be calculated from electromagnetic radiation measurements via permittivity and permeability.

08 August 2013 2,580 7 View

What should the log.mag signal be in microwave free-space reflection measurements in the air (without any sample) using a vector network analyzer?

I align the receiver and transmitter at different angles (from near 0 to 90 deg), without any reflected sample, I thought the log.mag signal should be negative infinity or a large negative number....

05 May 2013 1,541 12 View

What are the methods to calculate permittivity and permeability of a material from electromagnetic wave transmission and reflection measurements?

We can get S11 and S21 signal from the transmission and reflection measurements. What methods could be used to calculate permittivity, permeability, and impedance?

03 March 2013 7,458 5 View

How to calculate the Reflection Loss (RL) of a Microwave Absorbing Materials from S11 and S21 signals?

If possible, please give some details.

12 December 2012 9,849 1 View