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- Wahlberg, BoLinköpings universitet,KTH,Signaler, sensorer och system,Reglerteknik,Tekniska högskolan (author)
Robust Signal Parameter Estimation in the Presence of Array Perturbations
- Article/chapterEnglish1991
Publisher, publication year, extent ...
- Linköping :IEEE,1991
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-92638
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92638URI
- https://doi.org/10.1109/ICASSP.1991.150153DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-55432URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-91636URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-55332URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Series
- LiTH-ISY-I ;1160
Notes
- NR 20140805
- QC 20120104. Sponsors: IEEE Signal Processing Soc
- Signal parameter estimators which are less sensitive to perturbations in the array manifold are presented. A parametrized stochastic model for the array uncertainties is introduced. The unknown array parameters can include the individual gain and phase responses of the sensors as well as their positions. Based on this model, a maximum a posteriori (MAP) estimator is formulated. This results in a fairly complex optimization problem which is computationally expensive. The MAP estimator is simplified by exploiting properties of the weighted subspace fitting method. An approximate method that further reduces the complexity is also presented, assuming smallarray perturbations. A compact expression for the MAP Cramer-Rao bound (CRB) on the signal and arrayparameter estimates is derived. A simulation study indicates that the proposed robust estimation procedures achieve the MAP-CRB even for moderate sample sizes.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Signalbehandling hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Signal Processing hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Reglerteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Control Engineering hsv//eng
- Array signal processing
- Frequency estimation
- Parameter estimation
- Phased arrays
- Robustness
- Sensor arrays
- Sensor phenomena and characterization
- Sensor systems
- Stochastic processes
- Uncertainty
- Automatic control
Added entries (persons, corporate bodies, meetings, titles ...)
- Ottersten, Björn,1961-Linköpings universitet,KTH,Signaler, sensorer och system,Reglerteknik,Tekniska högskolan(Swepub:kth)u120hb53 (author)
- Viberg, MatsLinköpings universitet,Reglerteknik,Tekniska högskolan (author)
- KTHSignaler, sensorer och system (creator_code:org_t)
Related titles
- In:Proc. of 1991 International Conference on Acoustics, Speech, and Signal Processing, 1991. ICASSP-91.Linköping : IEEE, s. 3277-3280
Internet link
- http://www.scopus.com/inward/record.url?eid=2-s2.0-0026377381&partnerID=40&md5=a13f676684987c6f27abc120a9062de4
- http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-55332Related report
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92638
- https://doi.org/10.1109/ICASSP.1991.150153
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-55432
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-91636
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-55332
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