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On frequency estimation from oversampled quantized observations
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-2718-0262
1999 (English)In: Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on, 1999, Vol. 3, 1549-1552 p.Conference paper (Refereed)
Abstract [en]

The effect of sampling and quantization on frequency estimation for a single sinusoid is investigated. Asymptotic Cramer-Rao bounds (CRB) for 1-bit quantization and for non-ideal filters are derived, which are simpler to calculate than the exact CRB while still relatively accurate. It is further investigated how many bits should be used in quantization to avoid the problems of 1-bit quantization, and it turns out that 3-4 bits are enough. Finally, oversampled 1-bit quantization is investigated. It is determined how much the signal should be oversampled, and in addition Sigma; Delta; modulators are investigated

Place, publisher, year, edition, pages
1999. Vol. 3, 1549-1552 p.
Keyword [en]
Sigma; Delta; modulators;CRB;asymptotic Cramer-Rao bounds;frequency estimation;nonideal filters;oversampled quantized observations;quantization;sinusoid;Butterworth filters;Gaussian noise;frequency estimation;quantisation (signal);sigma-delta modulation;signal sampling;
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-43896DOI: 10.1109/ICASSP.1999.756281OAI: diva2:448910
Proceedings of the 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP-99). Phoenix, AZ, USA. 15 March 1999 through 19 March 1999
QC 20111107Available from: 2011-10-18 Created: 2011-10-18 Last updated: 2011-11-21Bibliographically approved

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