@article{aphysicsinformedhierarchicalneuralnetwor, title = {A Physics-Informed Hierarchical Neural Network for Microwave Scattering Analysis of 3D PEC Targets}, author = {Rui Zhu and Yuexing Peng and George C. Alexandropoulos and Wenbo Wang}, year = {2025}, eprint = {2508.03774}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2508.03774}, }