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Author

Shikai Fang

4 papers indexed here

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Preprint Aug 2026

Mitigating Spectral Bias in Neural Operators for Underwater Transmission Loss Prediction

Predicting underwater acoustic transmission loss rapidly and accurately is crucial for real-time ocean acoustic applications. While Fourier Neural Operators (FNO) have emerged as powerful surrogate models due to their global receptive fields, they suffer from spectral bias. The frequency truncation mechanism in FNO fil...

Yi-Fan Sun, Shikai Fang, Chao Zhang et al. · 0 citations
Preprint Aug 2026

TRACE: Retrospective Streaming Generation of Physical Fields under Sparse Structured Sensing

TRACE performs approximate Bayesian inference in a learned continuous-coordinate latent space, converting sparse off-grid measurements into generative latent evidence, fusing it with a state-space temporal prior through Kalman-style filtering, and refining under-observed past frames via retrospective smoothing.

Xin-Yu Zhang, Li-Hao Chen, Panqi Chen et al. · 0 citations

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