Abstract

The accuracy performance that an be achieved by post-processing the samples provided by a dithered quantizer is analysed in this paper for both stochastic and deterministic dithering. In the former case the quantization error average and variance are considered and the number of effective bits of the system output is evaluated for uniformly and Gaussian distributed dither signals. Then the accuracy achieved by using a deterministic dithering is analysed and a new approach for optimizing the system performance is proposed. All the reported results have been validated by means of computer simulations.

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