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Tue Sep 4 14:55:56 CEST 2012

## Approximaton as low-denominator rationals

I wonder if it makes sense to represent signals as low-denominator
rational values to avoid making low-frequency correlations?
Probably not, since necessary time-variance probably introduces such
correlations. Might make nice pictures though..
EDIT: Maybe it is useful simply because there is a closed form
expression of the bit sequence for piecewize approximation of
low-denominator rational numbers.

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