Accelerated S-NFC for Million-Chaff RCS Computation Using Low-Rank Compression of Concatenated Block Rows

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Researchers have developed an accelerated Sparsification via Neglecting Far-Field Coupling (S-NFC) method that achieves a nearly sevenfold speedup in radar-cross-section (RCS) simulations for clouds of up to one million elements. By utilizing joint low-rank factorization to compress local electromagnetic interactions, the technique significantly reduces memory overhead and computational costs while maintaining high accuracy. This advancement is critical for the aerospace and