Interferometric Calibration with Natural Distributed Targets

Jørgen Dall, Erik Lintz Christensen

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Cross-calibration is a fully automated algorithm for calibration of interferometric synthetic aperture radar (IFSAR) data. It has been developed for single-pass interferometry, but the principles may be applicable to multi-pass interferometry, too. The algorithm is based on natural distributed targets and it excels by neither requiring surveyed ground control points nor dedicated calibration scenes. However, the parameters to be calibrated must be stable during mapping. The algorithm has been applied to data from the Danish airborne SAR, EMISAR, and the performance has been assessed. The algorithm appears to be fairly robust with respect to the terrain type. However, the result of the calibration may deteriorate if the terrain elevation, as measured with the SAR, changes systematically with the incidence angle or the aspect angle.
Original languageEnglish
Title of host publicationProceedings of the IEEE 2002 International Geoscience and Remote Sensing Symposium
Publication date2002
ISBN (Print)0-7803-7536-X
Publication statusPublished - 2002
EventIEEE 2002 International Geoscience and Remote Sensing Symposium - Toronto, Canada
Duration: 24 Jun 200228 Jun 2002


ConferenceIEEE 2002 International Geoscience and Remote Sensing Symposium
Internet address

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Copyright: 2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE


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