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Deep Learning-Based Meteorological Data Downscaling: A Comparative Study with Physics-Informed CNN and a Component-Level Ablation Analysis

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TL;DR

The proposed Physics-Informed CNN (PICNN), which integrates multi-scale feature extraction, spatial attention mechanisms, and a composite physics-informed loss function incorporating mean squared error, Laplacian spatial smoothness regularization, and spatial energy conservation constraints, achieves the best performance among all models.

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