Wu, J. 2026. A Hybrid Efficient Iterative ACA-PO and Chebyshev Approximation Technique for Fast Radiation Analysis Over a Broad Frequency Band. Applied Computational Electromagnetics Society Journal (ACES). 41, 02 (Feb. 2026), 137–143. DOI:https://doi.org/10.13052/2026.ACES.J.410204.