An efficient and realistic simulation platform suitable for the analysis and design of time-modulated arrays

The paper shows a nonlinear/electromagnetic co-simulation tool for the rigorous analysis of time-modulated arrays in realistic application scenarios, e.g. in presence of digitally modulated carriers. The Harmonic Balance (HB) technique is used for the accurate description of the nonlinearities, and is combined to the full-wave description of the radiating array. The developed tool overcomes simplifying assumptions of previous approaches and its effectiveness is verified with numerical examples in both modulated and unmodulated carrier cases. The method is also applied to different switch modulation patterns, thus showing a high versatility suitable to cover a large plethora of applications.