Details
| Original language | English |
|---|---|
| Pages (from-to) | 223-232 |
| Number of pages | 10 |
| Journal | European Space Agency, (Special Publication) ESA SP |
| Issue number | 406 |
| Publication status | Published - Mar 1997 |
| Externally published | Yes |
Abstract
For repeat pass SAR interferometry, two precision orbit products from ESA (processed at GFZ/D-PAF, Oberpfaffenhofen) are available: ERS-1/2.ORB.PRC's and ERS-1/2-ORB.PRL's. The conversion of interferogram phases to absolute surface heights require a relative baseline accuracy of 5 cm or even better. In a case study, the preliminary (PRL) and precise (PRC) orbits are used to derive DEMs. The results are compared with existing DTMs. In the test area in Thuringia (Germany), corner reflectors allow an additional accuracy assessment. The impact of orbit uncertainties on D-INSAR deformation analysis is less critical and the PRC's already fulfil the accuracy demands. This is demonstrated by an example from the Dead Sea transform zone in Israel.
Keywords
- Corner reflectors, DEM accuracy, Precise Orbits
ASJC Scopus subject areas
- Engineering(all)
- Aerospace Engineering
- Earth and Planetary Sciences(all)
- Space and Planetary Science
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In: European Space Agency, (Special Publication) ESA SP, No. 406, 03.1997, p. 223-232.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Impact of precise orbits on SAR interferometry
AU - Reigber, Christoph
AU - Xia, Ye
AU - Kaufmann, Hermann
AU - Massmann, Franz Heinrich
AU - Timmen, Ludger
AU - Bodechtel, Johann
AU - Frei, Michaela
PY - 1997/3
Y1 - 1997/3
N2 - For repeat pass SAR interferometry, two precision orbit products from ESA (processed at GFZ/D-PAF, Oberpfaffenhofen) are available: ERS-1/2.ORB.PRC's and ERS-1/2-ORB.PRL's. The conversion of interferogram phases to absolute surface heights require a relative baseline accuracy of 5 cm or even better. In a case study, the preliminary (PRL) and precise (PRC) orbits are used to derive DEMs. The results are compared with existing DTMs. In the test area in Thuringia (Germany), corner reflectors allow an additional accuracy assessment. The impact of orbit uncertainties on D-INSAR deformation analysis is less critical and the PRC's already fulfil the accuracy demands. This is demonstrated by an example from the Dead Sea transform zone in Israel.
AB - For repeat pass SAR interferometry, two precision orbit products from ESA (processed at GFZ/D-PAF, Oberpfaffenhofen) are available: ERS-1/2.ORB.PRC's and ERS-1/2-ORB.PRL's. The conversion of interferogram phases to absolute surface heights require a relative baseline accuracy of 5 cm or even better. In a case study, the preliminary (PRL) and precise (PRC) orbits are used to derive DEMs. The results are compared with existing DTMs. In the test area in Thuringia (Germany), corner reflectors allow an additional accuracy assessment. The impact of orbit uncertainties on D-INSAR deformation analysis is less critical and the PRC's already fulfil the accuracy demands. This is demonstrated by an example from the Dead Sea transform zone in Israel.
KW - Corner reflectors
KW - DEM accuracy
KW - Precise Orbits
UR - http://www.scopus.com/inward/record.url?scp=5244265632&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:5244265632
SP - 223
EP - 232
JO - European Space Agency, (Special Publication) ESA SP
JF - European Space Agency, (Special Publication) ESA SP
SN - 0379-6566
IS - 406
ER -