[IEEE 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe) - Madrid, Spain (2020.6.9-2020.6.12)] 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe) - Numerical and Experimental Study of the Shielding Effectiveness of Polyaniline-Silver (PANI-Ag) Nanocomposite using Coaxial Open-Ended Waveguide