This is for the context of radar detection. I am trying to figure out exactly why increasing the conductivity of a metallic object increases its radar cross section. I've been directed to looking at reflection coefficients which I understand is the ratio of the reflected wave to the incident wave. I've even read a paper on reducing the conductivity and whilst I don't understand all the theoretical explanations through Maxwell's equations, it was said that higher conductivity means more loss and thus increases reflection at the interface but I would like to understand why. Lower conductivity suggests that the incident energy would turn more into heat but again, I can't really visualize what is going on and how it all relates.
I've also heard that increasing the conductivity increases the power scattered back from the target.
I feel like I'm missing some vital principles I need to understand and would be grateful if anyone could help me.
PS: I can't use the tag "conductivity". If anyone would like to help and add that to this question then that would be amazing.