Please use this identifier to cite or link to this item: https://doi.org/10.1109/36.789644
DC FieldValue
dc.titleWeighted least-squares estimation of phase errors for SAR/ISAR autofocus
dc.contributor.authorYe, W.
dc.contributor.authorYeo, T.S.
dc.date.accessioned2014-06-17T06:56:32Z
dc.date.available2014-06-17T06:56:32Z
dc.date.issued1999
dc.identifier.citationYe, W., Yeo, T.S. (1999). Weighted least-squares estimation of phase errors for SAR/ISAR autofocus. IEEE Transactions on Geoscience and Remote Sensing 37 (5 II) : 2487-2494. ScholarBank@NUS Repository. https://doi.org/10.1109/36.789644
dc.identifier.issn01962892
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/62939
dc.description.abstractA new method of phase error estimation that utilizes the weighted least-squares (WLS) algorithm is presented for synthetic aperture radar (SAR)/inverse SAR (ISAR) autofocus applications. The method does not require that the signal in each range bin be of a certain distribution model, and thus it is robust for many kinds of scene content. The most attractive attribute of the new method is that it can be used to estimate all kinds of phase errors, no matter whether they are of low order, high order, or random. Compared with other methods, the WLS estimation is optimal in the sense that it has the minimum variance of the estimation error. Excellent results have been obtained in autofocusing and imaging experiments on real SAR and ISAR data.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/36.789644
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL ENGINEERING
dc.description.doi10.1109/36.789644
dc.description.sourcetitleIEEE Transactions on Geoscience and Remote Sensing
dc.description.volume37
dc.description.issue5 II
dc.description.page2487-2494
dc.description.codenIGRSD
dc.identifier.isiut000082628100011
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