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Fast Cascaded Recursive Filtering via a Block-Matrix Reformulation

Zhai, Haotian et al.
arXiv (All) · Papers
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signal-processing
Recursive (IIR) filters realized as cascaded second-order sections (biquads) offer both design generality and robustness against coefficient quantization. However, their inherent sample-to-sample feedback dependency poses a fundamental obstacle to parallel computation. This paper reformulates the bi
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