TY - RPRT TI - Circular-Arc Modal Migration for Ultrasound Imaging--Part I: Finite-Arc Spectral Theory and Stolt-Pullback Factorization AU - Huang, Z. AU - Chen, C. AU - Wu, D. AU - Shi, F. PY - 2026 DO - 10.64898/2026.11.11.765911 UR - https://www.biorxiv.org/content/10.64898/2026.11.11.765911v1 ID - 10.64898/2026.11.11.765911 ER -