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Authors: Gabrielle Flood ; Anders Heyden and Kalle Åström

Affiliation: Lund University, Sweden

Keyword(s): Time-difference of Arrival, Sub-sample Methods, Doppler Effect, Uncertainty Measure.

Related Ontology Subjects/Areas/Topics: Applications ; Cardiovascular Imaging and Cardiography ; Cardiovascular Technologies ; Feature Selection and Extraction ; Health Engineering and Technology Applications ; Pattern Recognition ; Signal Processing ; Software Engineering ; Stochastic Methods ; Theory and Methods

Abstract: Sound and radio can be used to estimate the distance between a transmitter and a sender by correlating the emitted and received signal. Alternatively by correlating two received signals it is possible to estimate distance difference. Such methods can be divided into methods that are robust to noise and reverberation, but give limited precision and sub-sample refinements that are sensitive to noise, but give higher precision when initialized close to the real translation. In this paper we develop stochastic models that can explain the limits in the precision of such sub-sample time-difference estimates. Using such models we provide new methods for precise estimates of time-differences as well as Doppler effects. The method is verified on both synthetic and real data.

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Paper citation in several formats:
Flood, G. ; Heyden, A. and Åström, K. (2018). Estimating Uncertainty in Time-difference and Doppler Estimates. In Proceedings of the 7th International Conference on Pattern Recognition Applications and Methods - ICPRAM; ISBN 978-989-758-276-9; ISSN 2184-4313, SciTePress, pages 245-253. DOI: 10.5220/0006722002450253

@conference{icpram18,
author={Gabrielle Flood and Anders Heyden and Kalle Åström},
title={Estimating Uncertainty in Time-difference and Doppler Estimates},
booktitle={Proceedings of the 7th International Conference on Pattern Recognition Applications and Methods - ICPRAM},
year={2018},
pages={245-253},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006722002450253},
isbn={978-989-758-276-9},
issn={2184-4313},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Pattern Recognition Applications and Methods - ICPRAM
TI - Estimating Uncertainty in Time-difference and Doppler Estimates
SN - 978-989-758-276-9
IS - 2184-4313
AU - Flood, G.
AU - Heyden, A.
AU - Åström, K.
PY - 2018
SP - 245
EP - 253
DO - 10.5220/0006722002450253
PB - SciTePress

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