Geodesic
Fractional noises: diffusive model for CCD imager band-pass acquisition chain
Francis Lavernhe1 ; Johannes Solhusvik2
1 CIMI group, Electronic dept., ENSAE (Supaero), 31400 Toulouse Cedex, France
2 ABB corporate research, electronic systems dept., p.o. Box 90, N-1361 Billingstad, Norway
ESAIM. Proceedings, Tome 5 (1998), pp. 119-130.

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Charge-Coupled Devices often deliver non standard noises, with a power spectrum proportional to a real power of 1/f over several decades (depending on biasing and temperature). On the other hand, CCD signal acquisition systems are frequently non stationary in their structure: the Wiener-Kintchin theorem is not valid for evaluating noise power and signal to noise ratio. In this paper, the chain is seen as a continuous state-variable time-varying system with a fractional-noise input, modelled from a diffusive representation of fractional integrators.
DOI : 10.1051/proc:1998002

Francis Lavernhe 1 ; Johannes Solhusvik 2

1 CIMI group, Electronic dept., ENSAE (Supaero), 31400 Toulouse Cedex, France
2 ABB corporate research, electronic systems dept., p.o. Box 90, N-1361 Billingstad, Norway 
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Francis Lavernhe; Johannes Solhusvik. Fractional noises: diffusive model for CCD imager band-pass acquisition chain. ESAIM. Proceedings, Tome 5 (1998), pp. 119-130. doi : 10.1051/proc:1998002. http://geodesic.mathdoc.fr/articles/10.1051/proc:1998002/

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