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Multisource time delay estimation subject to receiver frequency errors
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-2718-0262
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0002-6855-5868
2003 (English)In: CONFERENCE RECORD OF THE THIRTY-SEVENTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1 AND 2 / [ed] Matthews, MB, 2003, 1156-1160 p.Conference paper, Published paper (Refereed)
Abstract [en]

An electronic warfare (EW) system with two spatially separated intercept receivers, targeting military communication systems is considered. The EW system estimates the direct ion-of-arrival via a correlation-based time-difference-of-arrival (TDOA) method without any prior knowledge of the signals-of-interest. An important practical consideration is the oscillator frequencies of the two intercept receivers where a difference, or error, degrades the TDOA estimator performance. A measure of this degradation, or loss in power due to the frequency error, is derived and used to describe the robustness against receiver frequency errors. In the multisource scenario, time and frequency overlapping sources can be separated using direction-filtering of the cross-correlation function between the receiver outputs with good result if one signal at a time can be selected by the direction-filter. However, the performance of the considered estimator is degraded in a multisource scenario compared to the single source case.

Place, publisher, year, edition, pages
2003. 1156-1160 p.
Series
CONFERENCE RECORD OF THE ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, ISSN 1058-6393
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-34981ISI: 000189498700216ISBN: 0-7803-8104-1 (print)OAI: oai:DiVA.org:kth-34981DiVA: diva2:425399
Conference
37th Asilomar Conference on Signals, Systems and Computers Pacific Grove, CA, NOV 09-12, 2003
Note
QC 20110621Available from: 2011-06-21 Created: 2011-06-17 Last updated: 2011-11-10Bibliographically approved

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Händel, PeterJansson, Magnus

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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Output format
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