Analog-to-digital conversion using suprathreshold stochastic resonance

Mark D. McDonnell; Nigel G. Stocks; Charles E. M. Pearce; Derek Abbott

doi:10.1117/12.582493

28 February 2005 Analog-to-digital conversion using suprathreshold stochastic resonance

Mark D. McDonnell, Nigel G. Stocks, Charles E. M. Pearce, Derek Abbott

Proceedings Volume 5649, Smart Structures, Devices, and Systems II; (2005) https://doi.org/10.1117/12.582493
Event: Smart Materials, Nano-, and Micro-Smart Systems, 2004, Sydney, Australia

Abstract

We present an analysis of the use of suprathreshold stochastic resonance for analog to digital conversion. Suprathreshold stochastic resonance is a phenomenon where the presence of internal or input noise provides the optimal response from a system of identical parallel threshold devices such as comparators or neurons. Under the conditions where this occurs, such a system is effectively a non-deterministic analog to digital converter. In this paper we compare the suprathreshold stochastic resonance effect to conventional analog to digital conversion by analysing the rate-distortion trade-off of each.

Citation Download Citation

Mark D. McDonnell, Nigel G. Stocks, Charles E. M. Pearce, and Derek Abbott "Analog-to-digital conversion using suprathreshold stochastic resonance", Proc. SPIE 5649, Smart Structures, Devices, and Systems II, (28 February 2005); https://doi.org/10.1117/12.582493

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