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blind optimization 1coherent digital combining 1gradient ascent 1multi-aperture reception 1phase alignment 1

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1 paper

physics.optics2026

Blind Gradient-Ascent Phase Alignment for Multi-Aperture Coherent Digital Combining Under Aperture-Dependent Phase Disturbance

Cheng Chen, Tong Luo, Jiayin Xue +5

The paper introduces a blind gradient‑ascent algorithm that iteratively adjusts per‑aperture phase corrections to maximize the combined output power in multi‑aperture free‑space op…