EMISAR: An Absolutely Calibrated Polarimetric L- and C-band SAR

Erik Lintz Christensen, Niels Skou, Jørgen Dall, Kim Woelders, Jan Hjelm Jørgensen, Johan Granholm, Søren Nørvang Madsen

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    EMISAR is a high-resolution (2×2 m), fully polarimetric, dual-frequency (L- and C-band) synthetic aperture radar (SAR) system designed for remote-sensing applications. The SAR is operated at high altitudes on a Gulfstream G-3 jet aircraft. The system is very well calibrated and has low sidelobes and low cross-polar contamination. Digital technology has been utilized to realize a flexible and highly stable radar with variable resolution, swath width, and imaging geometry. Thermal control and several calibration loops have been built into the system to ensure system stability and absolute calibration. Accurately measured antenna gains and radiation patterns are included in the calibration. The processing system is developed to support data calibration, which is the key to most of the current applications. Recent interferometric enhancements are important for many scientific applications
    Original languageEnglish
    JournalI E E E Transactions on Geoscience and Remote Sensing
    Volume36
    Issue number6
    Pages (from-to)1852-1865
    ISSN0196-2892
    DOIs
    Publication statusPublished - 1998

    Bibliographical note

    Copyright: 1998 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

    Cite this

    Christensen, E. L., Skou, N., Dall, J., Woelders, K., Jørgensen, J. H., Granholm, J., & Madsen, S. N. (1998). EMISAR: An Absolutely Calibrated Polarimetric L- and C-band SAR. I E E E Transactions on Geoscience and Remote Sensing, 36(6), 1852-1865. https://doi.org/10.1109/36.729356
    Christensen, Erik Lintz ; Skou, Niels ; Dall, Jørgen ; Woelders, Kim ; Jørgensen, Jan Hjelm ; Granholm, Johan ; Madsen, Søren Nørvang. / EMISAR: An Absolutely Calibrated Polarimetric L- and C-band SAR. In: I E E E Transactions on Geoscience and Remote Sensing. 1998 ; Vol. 36, No. 6. pp. 1852-1865.
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    abstract = "EMISAR is a high-resolution (2×2 m), fully polarimetric, dual-frequency (L- and C-band) synthetic aperture radar (SAR) system designed for remote-sensing applications. The SAR is operated at high altitudes on a Gulfstream G-3 jet aircraft. The system is very well calibrated and has low sidelobes and low cross-polar contamination. Digital technology has been utilized to realize a flexible and highly stable radar with variable resolution, swath width, and imaging geometry. Thermal control and several calibration loops have been built into the system to ensure system stability and absolute calibration. Accurately measured antenna gains and radiation patterns are included in the calibration. The processing system is developed to support data calibration, which is the key to most of the current applications. Recent interferometric enhancements are important for many scientific applications",
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    Christensen, EL, Skou, N, Dall, J, Woelders, K, Jørgensen, JH, Granholm, J & Madsen, SN 1998, 'EMISAR: An Absolutely Calibrated Polarimetric L- and C-band SAR', I E E E Transactions on Geoscience and Remote Sensing, vol. 36, no. 6, pp. 1852-1865. https://doi.org/10.1109/36.729356

    EMISAR: An Absolutely Calibrated Polarimetric L- and C-band SAR. / Christensen, Erik Lintz; Skou, Niels; Dall, Jørgen; Woelders, Kim; Jørgensen, Jan Hjelm; Granholm, Johan; Madsen, Søren Nørvang.

    In: I E E E Transactions on Geoscience and Remote Sensing, Vol. 36, No. 6, 1998, p. 1852-1865.

    Research output: Contribution to journalJournal articleResearchpeer-review

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    AU - Christensen, Erik Lintz

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    AU - Dall, Jørgen

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    AU - Jørgensen, Jan Hjelm

    AU - Granholm, Johan

    AU - Madsen, Søren Nørvang

    N1 - Copyright: 1998 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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