Abstract
In Analog-to-digital (A/D) conversion, signal decimation has been proven to greatly improve the efficiency of data storage while maintaining high accuracy. When one couples signal decimation with the \(\Sigma \Delta \) quantization scheme, the reconstruction error decays exponentially with respect to the bit-rate. We build on our previous result, which extended signal decimation to finite frames, albeit only up to the second order. In this study, we introduce a new scheme called adapted decimation, which yields polynomial reconstruction error decay rate of arbitrary order with respect to the oversampling ratio, and exponential with respect to the bit-rate.
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Acknowledgements
The author would like to thank the support from ARO Grant W911NF-17-1-0014, NSF-DMS Grant 1814253, and J. Benedetto for all the thoughtful advice and insights. Further, the author appreciates the constructive analysis and suggestions of the referees.
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Communicated by Gitta Kutyniok.
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Lin, KC. Adapted Decimation on Finite Frames for Arbitrary Orders of Sigma-Delta Quantization. J Fourier Anal Appl 26, 20 (2020). https://doi.org/10.1007/s00041-020-09728-8
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DOI: https://doi.org/10.1007/s00041-020-09728-8