Prediction method for radiative electromagnetic EMI based on circuit parameter model

Fast reconstruction method for radiated targets based on current-driven common mode radiation model is proposed to analyze that current is uniformly distributed in the radiation cable. A novel method is proposed to analyze the radiated source characteristic according to printed circuit board (PCB) circuit and EM field analysis, and the full-wave model of common mode(CM) current is proposed in the radiation cable. The theory and experiment results show that the radiation electromagnetic interference noise could be improved 20.12 dB V/m compared with current-driven common mode radiation model by using the suggest method. Therefore, the suggest method can provides new theoretical reference for radiation electromagnetic interference noise forecast.