11-01-2012, 04:05 PM
Fractions in the Canonical-Signed-Digit Number System
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1 INTRODUCTION
In hardware DSP a signal can be scaled by a coefficient using
hardwired shifts and adds, but arithmetic operations are
fewer when subtractions are permitted also [1, 2]. The standard
approach uses coefficients in CSD, a radix-two number
system with ternary coefficient set f
