Calibration of a High Resolution Airborne 3-D SAR

Jørgen Dall; Jan Grinder-Pedersen; S.N. Madsen

doi:10.1109/IGARSS.1997.615329

Calibration of a High Resolution Airborne 3-D SAR

Jørgen Dall, Jan Grinder-Pedersen, S.N. Madsen

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Abstract

The potential of across-track interferometric (XTI) synthetic aperture radar (SAR) for producing high resolution 3D imagery has been demonstrated by several airborne systems including EMISAR, the dual frequency, polarimetric, and interferometric SAR developed at the Dept. of Electromagnetic Systems (EMI). In order to achieve a high geodetic fidelity when using such systems operationally, calibration procedures must be applied. Inaccurate navigation data and system parameters as well as system imperfections must be accounted for. This paper presents theoretical models describing the impact of key error contributors on the measured terrain elevation. The models are used in estimating calibration parameters on the bases of distributed targets with known elevation. Finally, the calibration procedure is applied to EMISAR data collected by the Danish Center for Remote Sensing (DCRS), and the stability of the estimated parameters is examined in order to assess the general utility of the procedure

Original language	English
Title of host publication	Proceedings of the International Geoscience and Remote Sensing Symposium
Volume	2
Publisher	IEEE
Publication date	1997
Pages	1018-1021
ISBN (Print)	0-7803-3836-7
DOIs	https://doi.org/10.1109/IGARSS.1997.615329
Publication status	Published - 1997
Event	1997 IEEE International Geoscience and Remote Sensing Symposium: A Scientific Vision for Sustainable Development - Singapore, Singapore Duration: 3 Aug 1997 → 8 Aug 1997 http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=4810

Conference

Conference	1997 IEEE International Geoscience and Remote Sensing Symposium
Country/Territory	Singapore
City	Singapore
Period	03/08/1997 → 08/08/1997
Internet address	http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=4810

Bibliographical note

Copyright: 1997 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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title = "Calibration of a High Resolution Airborne 3-D SAR",

abstract = "The potential of across-track interferometric (XTI) synthetic aperture radar (SAR) for producing high resolution 3D imagery has been demonstrated by several airborne systems including EMISAR, the dual frequency, polarimetric, and interferometric SAR developed at the Dept. of Electromagnetic Systems (EMI). In order to achieve a high geodetic fidelity when using such systems operationally, calibration procedures must be applied. Inaccurate navigation data and system parameters as well as system imperfections must be accounted for. This paper presents theoretical models describing the impact of key error contributors on the measured terrain elevation. The models are used in estimating calibration parameters on the bases of distributed targets with known elevation. Finally, the calibration procedure is applied to EMISAR data collected by the Danish Center for Remote Sensing (DCRS), and the stability of the estimated parameters is examined in order to assess the general utility of the procedure",

author = "J{\o}rgen Dall and Jan Grinder-Pedersen and S.N. Madsen",

note = "Copyright: 1997 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; 1997 IEEE International Geoscience and Remote Sensing Symposium : A Scientific Vision for Sustainable Development, IGARSS'97 ; Conference date: 03-08-1997 Through 08-08-1997",

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booktitle = "Proceedings of the International Geoscience and Remote Sensing Symposium",

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T1 - Calibration of a High Resolution Airborne 3-D SAR

AU - Dall, Jørgen

AU - Grinder-Pedersen, Jan

AU - Madsen, S.N.

N1 - Copyright: 1997 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

PY - 1997

Y1 - 1997

N2 - The potential of across-track interferometric (XTI) synthetic aperture radar (SAR) for producing high resolution 3D imagery has been demonstrated by several airborne systems including EMISAR, the dual frequency, polarimetric, and interferometric SAR developed at the Dept. of Electromagnetic Systems (EMI). In order to achieve a high geodetic fidelity when using such systems operationally, calibration procedures must be applied. Inaccurate navigation data and system parameters as well as system imperfections must be accounted for. This paper presents theoretical models describing the impact of key error contributors on the measured terrain elevation. The models are used in estimating calibration parameters on the bases of distributed targets with known elevation. Finally, the calibration procedure is applied to EMISAR data collected by the Danish Center for Remote Sensing (DCRS), and the stability of the estimated parameters is examined in order to assess the general utility of the procedure

AB - The potential of across-track interferometric (XTI) synthetic aperture radar (SAR) for producing high resolution 3D imagery has been demonstrated by several airborne systems including EMISAR, the dual frequency, polarimetric, and interferometric SAR developed at the Dept. of Electromagnetic Systems (EMI). In order to achieve a high geodetic fidelity when using such systems operationally, calibration procedures must be applied. Inaccurate navigation data and system parameters as well as system imperfections must be accounted for. This paper presents theoretical models describing the impact of key error contributors on the measured terrain elevation. The models are used in estimating calibration parameters on the bases of distributed targets with known elevation. Finally, the calibration procedure is applied to EMISAR data collected by the Danish Center for Remote Sensing (DCRS), and the stability of the estimated parameters is examined in order to assess the general utility of the procedure

U2 - 10.1109/IGARSS.1997.615329

DO - 10.1109/IGARSS.1997.615329

M3 - Article in proceedings

SN - 0-7803-3836-7

VL - 2

SP - 1018

EP - 1021

BT - Proceedings of the International Geoscience and Remote Sensing Symposium

PB - IEEE

T2 - 1997 IEEE International Geoscience and Remote Sensing Symposium

Y2 - 3 August 1997 through 8 August 1997

ER -

Calibration of a High Resolution Airborne 3-D SAR

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