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Sponsored AI Networking Cookbook: Practical recipes for AI-assisted network automation and development AI Networking Cookbook: Practical recipes for AI-assisted network automation and development

Author

Mohan Agrawal

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Preprint Aug 2026

Inverting and Up-channelizing Critically-Sampled Polyphase Filter Banks

Polyphase filter banks (PFBs) are widely used to channelize digitized time-domain data in real time. However, applications such as radio astronomy often require higher spectral resolution than real-time systems can provide. We introduce a circulant inverse-PFB formalism and present a new, scalable, fast Fourier transfo...

S. Fay, M. Agrawal, H. Chiang et al. · 0 citations

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