Hengyu Zhang

4 Questions 2 Answers 0 Followers

Questions related from Hengyu Zhang

Does interface polarization occur at GHz?

Generally, interface polarization disappears at MHz, but why do many literature test frequencies in GHz but interface polarization occurs?

12 October 2023 8,523 1 View

Why is A not SEA in judging electromagnetic shielding mechanism?

？Why is SEA greater than SER not necessarily indicating that the shielding mechanism is mainly absorption, but rather depends on whether A is greater than R?

22 August 2023 6,269 5 View

Why does the dielectric constant decrease with the increase of conductive material content?

Both the real and imaginary parts of the dielectric constant of conductive material A increase with the increase of the content of A, but after the composite conductive filler B, why do the real...

09 April 2023 5,632 1 View

How do the reflectance coefficients of exponentials and triangular impedance transformations convert to reflectivity?

I want to compare the reflectivity(dB) of the different impedance forms. The formula for reflection coefficient is generally given in the literature, but how to convert it to reflectivity to...

11 February 2023 6,070 2 View