Generation of digital elevation models through spaceborne SAR interferometry:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Zurich
Remote Sensing Laboratories, Dep. of Geography, Univ. of Zurich
1998
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| Schriftenreihe: | Remote sensing series
30 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in dt. Sprache |
| Beschreibung: | XVI, 150 S. Ill., graph. Darst., Kt. |
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| 245 | 1 | 0 | |a Generation of digital elevation models through spaceborne SAR interferometry |c David Small |
| 264 | 1 | |a Zurich |b Remote Sensing Laboratories, Dep. of Geography, Univ. of Zurich |c 1998 | |
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| 490 | 1 | |a Remote sensing series |v 30 | |
| 500 | |a Zsfassung in dt. Sprache | ||
| 502 | |a Zugl.: Zürich, Univ., Diss. | ||
| 650 | 4 | |a Altitudes |x Measurement | |
| 650 | 4 | |a Digital mapping | |
| 650 | 4 | |a Interferometry | |
| 650 | 4 | |a Remote sensing | |
| 650 | 4 | |a Satellite geodesy | |
| 650 | 4 | |a Synthetic aperture radar | |
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Datensatz im Suchindex
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| adam_text | Titel: Generation of digital elevation models through spaceborne SAR interferometry
Autor: Small, David
Jahr: 1998
Table of Contents
Preface..............................................v
Summary............................................vii
Zusammenfassung.....................................ix
Table of Contents....................................xiii
Chapter 1 Introduction and Objectives..............................1
1.1 Introduction......................................1
1.2 Problem Definition and Objectives....................2
1.3 Definition of Key Terms............................2
Synthetic Aperture Radar ........................2
Synthetic Aperture Radar Interferometry.............7
1.4 Overview.......................................15
Chapter 2 Orbits and Baselines...................................17
2.1 Introduction.....................................17
2.2 Reference Systems................................17
Inertial.......................................17
Earth Centred Rotating (ECK)....................17
Tangential Cross-track Normal (TCN)..............18
2.3 Orbit Models....................................18
Kepler Elements...............................19
Polynomial Fit................................19
Spline Model.................................19
2.4 Orbital Baseline..................................20
xui
Baseline Components...........................20
Baseline Calculation............................20
Critical Baseline...............................22
Parallelism of ERS Orbits........................22
Chapter 3 Interferogram Processing...............................27
3.1 Introduction.....................................27
3.2 Registration......................................27
Orbital Coarse Estimate.........................27
Subpixel Accuracy.............................29
3.3 Interferogram....................................32
Calculation...................................32
Associated SAR Image Intensities.................37
Interferogram Flattening.........................38
3.4 Coherence Calculation.............................43
Spectral-Shift Filter............................44
Decorrelation Sources...........................46
3.5 Adaptive Filtering.................................47
Cramer-Rao Bound.............................47
Smoothing Filter...............................48
3.6 Phase Unwrapping.................... .49
Branch-Cut Method............................50
Least Squares Estimation........................52
DEM Flattening................... 53
Multi-baseline Flattening........................53
Multi-baseline Unwrapping......................53
Unwrapping Conclusions........................54
3.7 Phase Unflattening...................... 54
3.8 Visualization of Interferogram Products 55
Chapter 4 Geocoding and Height Model Generation..................59
4.1 Introduction.................. g9
4.2 Cartographic Transformations.....................59
xiv
Map Projections...............................59
Oblate Ellipsoid...............................60
Datum Shifts..................................60
4.3 Backward Geocoding..............................62
Process......................................63
Geolocation...................................64
4.4 Ancillary Data Products............................65
Radar Shadow.................................66
Radar Layover................................66
Local Incidence Angle..........................66
4.5 Forward Geocoding...............................66
Range Doppler Range (RDR).....................67
Slant Range Height Model.......................67
4.6 Comparison of Backward vs. Forward.................69
4.7 Refinement of Geometry...........................70
4.8 Phase to Height Conversion Methods.................71
Height Direct from Unwrapped Flattened Phase......72
Empirical Look-up Table........................72
Baseline Rotation..............................73
4.9 Baseline Refinement..............................74
Refinement...................................76
Baseline Quality...............................77
Chapter 5 SAR Image Simulation..................................79
5.1 Introduction.....................................79
5.2 Image Simulation.................................79
5.3 Map vs. Radar Geometry...........................80
5.4 Radiometrie Normalization.........................81
5.5 RADARSAT Example.............................82
5.6 Discussion......................................84
Chapteró Height Model Validation................................87
6.1 Introduction.....................................87
xv
6.2 Height Model Validation Methods....................87
6.3 Test Site Bern....................................89
Introduction...................................89
Data Selection.................................92
DEM Flattening...............................93
Incidence Angle...............................98
Layover......................................99
Coherence...................................100
Height Differences............................104
6.4 Test Site Bonn..................................107
Introduction..................................107
Coherence...................................109
Refinement of Geometry.......................109
DEM Flattening..............................110
Backward Geocoding..........................Ill
Quantitative Results...........................113
Forward Geocoding...........................116
Chapter 7 Conclusions and Outlook............... 119
References................ 123
List of Figures.................. 131
List of Tables............... 137
Appendix A List of Variables.................. ,39
Appendix B Glossary..............
Appendix C Hardware / Software.................. 149
Remote Sensing Series........... 151
xvi
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| illustrated | Illustrated |
| indexdate | 2024-07-09T18:27:27Z |
| institution | BVB |
| language | English |
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| physical | XVI, 150 S. Ill., graph. Darst., Kt. |
| publishDate | 1998 |
| publishDateSearch | 1998 |
| publishDateSort | 1998 |
| publisher | Remote Sensing Laboratories, Dep. of Geography, Univ. of Zurich |
| record_format | marc |
| series | Remote sensing series |
| series2 | Remote sensing series |
| spelling | Small, David Verfasser aut Generation of digital elevation models through spaceborne SAR interferometry David Small Zurich Remote Sensing Laboratories, Dep. of Geography, Univ. of Zurich 1998 XVI, 150 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Remote sensing series 30 Zsfassung in dt. Sprache Zugl.: Zürich, Univ., Diss. Altitudes Measurement Digital mapping Interferometry Remote sensing Satellite geodesy Synthetic aperture radar Relief Kartografie (DE-588)4387561-0 gnd rswk-swf Interferometrie (DE-588)4027296-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Relief Kartografie (DE-588)4387561-0 s Interferometrie (DE-588)4027296-5 s DE-604 Remote sensing series 30 (DE-604)BV035361323 30 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008434445&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Small, David Generation of digital elevation models through spaceborne SAR interferometry Remote sensing series Altitudes Measurement Digital mapping Interferometry Remote sensing Satellite geodesy Synthetic aperture radar Relief Kartografie (DE-588)4387561-0 gnd Interferometrie (DE-588)4027296-5 gnd |
| subject_GND | (DE-588)4387561-0 (DE-588)4027296-5 (DE-588)4113937-9 |
| title | Generation of digital elevation models through spaceborne SAR interferometry |
| title_auth | Generation of digital elevation models through spaceborne SAR interferometry |
| title_exact_search | Generation of digital elevation models through spaceborne SAR interferometry |
| title_full | Generation of digital elevation models through spaceborne SAR interferometry David Small |
| title_fullStr | Generation of digital elevation models through spaceborne SAR interferometry David Small |
| title_full_unstemmed | Generation of digital elevation models through spaceborne SAR interferometry David Small |
| title_short | Generation of digital elevation models through spaceborne SAR interferometry |
| title_sort | generation of digital elevation models through spaceborne sar interferometry |
| topic | Altitudes Measurement Digital mapping Interferometry Remote sensing Satellite geodesy Synthetic aperture radar Relief Kartografie (DE-588)4387561-0 gnd Interferometrie (DE-588)4027296-5 gnd |
| topic_facet | Altitudes Measurement Digital mapping Interferometry Remote sensing Satellite geodesy Synthetic aperture radar Relief Kartografie Interferometrie Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008434445&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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| work_keys_str_mv | AT smalldavid generationofdigitalelevationmodelsthroughspacebornesarinterferometry |