Traffic monitoring with air- and spaceborne synthetic aperture radar: 8 Tabellen
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Köln
DLR
2014
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Forschungsbericht /DLR, Deutsches Zentrum für Luft- und Raumfahrt
2014,28 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XIV, 219 S. Ill., graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a Traffic monitoring with air- and spaceborne synthetic aperture radar |b 8 Tabellen |c Stefan Valentin Baumgartner |
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| 490 | 1 | |a Forschungsbericht /DLR, Deutsches Zentrum für Luft- und Raumfahrt |v 2014,28 | |
| 502 | |a Zugl.: Karlsruhe, KIT, Diss., 2014 | ||
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Datensatz im Suchindex
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|---|---|
| adam_text | CONTENTS
ACRONYMS AND SYMBOLS V
1 INTRODUCTION 1
1.1 HISTORY AND STATE-OF-THE-ART IN MOVING TARGET INDICATION 4
1.2 MOTIVATION, OBJECTIVES AND THESIS CONTRIBUTIONS 9
1.3 STRUCTURE OF THE THESIS 11
2 SYNTHETIC APERTURE RADAR AND MOVING TARGETS 13
2.1 SYNTHETIC APERTURE RADAR PRINCIPLE 13
2.1.1 ACQUISITION GEOMETRY AND OPERATION 13
2.1.2 STATIONARY POINT TARGET SIGNAL MODEL 16
2.1.3 PULSE COMPRESSION AND IMAGE FORMATION 19
2.2 MOVING POINT TARGET SIGNAL MODEL 22
2.2.1 SINGLE-CHANNEL SIGNAL MODEL 22
2.2.2 MULTI-CHANNEL SIGNAL MODEL 25
2.3 EFFECTS ON SAR IMAGERY 28
2.3.1 RESIDUAL RANGE CELL MIGRATION 28
2.3.2 ALONG-TRACK VELOCITY 31
2.3.3 ACROSS-TRACK VELOCITY 34
2.3.4 ALONG-TRACK ACCELERATION 38
2.3.5 ACROSS-TRACK ACCELERATION 39
2.3.6 SUMMARY OF EFFECTS 40
3 MOVING TARGET DETECTION AND PARAMETER ESTIMATION: BASIC METHODS 43
3.1 BASIC STRUCTURE OF A GMTI PROCESSOR 43
3.1.1 PREPROCESSING 44
3.1.2 CLUTTER SUPPRESSION 45
3.1.3 DETECTION 45
3.1.4 SIGNAL EXTRACTION 48
3.1.5 PARAMETER ESTIMATION 49
HTTP://D-NB.INFO/106490629X
CONTENTS
3.1.6 VISUALIZATION 54
3.2 CLASSICAL DUAL-CHANNEL GROUND MOVING TARGET INDICATION 55
3.2.1 ALONG-TRACK INTERFEROMETRY 55
3.2.2 DISPLACED PHASE CENTER ANTENNA TECHNIQUE 61
3.3 DETECTION AND PARAMETER ESTIMATION METHODS 64
3.3.1 MATCHED FILTER BANK 64
3.3.2 FRACTIONAL FOURIER TRANSFORM 67
3.3.3 TIME-FREQUENCY ANALYSIS 70
3.3.4 RADON TRANSFORM 71
3.3.5 SPACE-TIME ADAPTIVE PROCESSING 72
4 ACCELERATION-INDEPENDENT TARGET VELOCITY ESTIMATION 79
4.1 INTRODUCTION 79
4.2 MATHEMATICAL RELATIONSHIP 80
4.2.1 DUAL-CHANNEL CASE 80
4.2.2 MULTI-CHANNEL CASE - UNIFORMLY DISTRIBUTED RX ANTENNAS .... 83
4.2.3 NON-UNIFORMLY DISTRIBUTED RX ANTENNAS 85
4.3 ALGORITHM 86
4.3.1 MOVING TARGET SIGNAL EXTRACTION 86
4.3.2 PARAMETER ESTIMATION 89
4.4 ESTIMATION ACCURACY 90
4.4.1 COMPARISON TO MATCHED FILTER BANK 94
4.5 EXPERIMENTAL RESULTS 97
4.5.1 DUAL-CHANNEL RESULTS 97
4.5.2 FOUR-CHANNEL RESULTS 99
4.6 CONCLUSION AND OUTLOOK 101
5 A PRIORI KNOWLEDGE-BASED AIRBORNE TRAFFIC MONITORING WITH REAL-
TIME CAPABILITY 103
5.1 INTRODUCTION 103
5.2 ALGORITHM 104
5.2.1 PRINCIPLE 104
5.2.2 STRUCTURE OF THE ALGORITHM 105
5.2.3 COORDINATE TRANSFORMATION 108
5.2.4 MOTION PARAMETER ESTIMATION 113
5.3 PARAMETER ESTIMATION PERFORMANCE ASSESSMENT 116
CONTENTS
5.3.1 COORDINATE TRANSFORMATION ERRORS 117
5.3.2 UTILIZABLE AZIMUTH SAMPLES 119
5.3.3 VELOCITY RESOLUTION WITHOUT DERAMPING 120
5.3.4 VELOCITY RESOLUTION USING DERAMPING 124
5.3.5 VELOCITY RESOLUTION USING ADAPTIVE DERAMPING 126
5.3.6 ROADS PARALLEL TO FLIGHT DIRECTION 127
5.3.7 DETECTABLE VELOCITY RANGE 128
5.3.8 MULTI-COMPONENT SIGNALS 129
5.3.9 OCCURRENCE OF AMBIGUITIES AND FALSE DETECTIONS 131
5.3.10 RECOGNITION AND CANCELLATION OF AMBIGUITIES AND FALSE DETECTIONS
133
5.4 DETECTION PERFORMANCE ASSESSMENT 134
5.4.1 SNR AND CNR COMPUTATION 135
5.4.2 STAP DETECTION PERFORMANCE 136
5.5 EXPERIMENTAL RESULTS 139
5.5.1 OVER-SAMPLED DATA IN AZIMUTH 140
5.5.2 UNDER-SAMPLED DATA IN AZIMUTH 143
5.6 CONCLUSION AND OUTLOOK 145
6 DUAL-PLATFORM LARGE ALONG-TRACK BASELINE GMTI 149
6.1 INTRODUCTION 149
6.2 MOVING TARGET SIGNAL MODEL 151
6.3 MOVING TARGET DISPLACEMENTS 154
6.4 GMTI ALGORITHM 157
6.4.1 SAR PREPROCESSING AND CALIBRATION 159
6.4.2 CLUTTER SUPPRESSION AND DETECTION 159
6.4.3 2D CROSS-CORRELATION 160
6.4.4 SIMPLE PARAMETER ESTIMATION METHOD 164
6.4.5 ADVANCED PARAMETER ESTIMATION METHOD 165
6.5 PERFORMANCE ASSESSMENT 166
6.5.1 LINE-OF-SIGHT ACCELERATION ESTIMATION ACCURACY 167
6.5.2 REPOSITIONING ACCURACY 170
6.5.3 VELOCITY AND MOVING DIRECTION ESTIMATION ACCURACY 171
6.6 EXPERIMENTAL RESULTS 174
6.6.1 MARITIME TRAFFIC 174
6.6.2 LAND TRAFFIC 180
6.7 CONCLUSION 186
III
CONTENTS
7 DISCUSSION AND OUTLOOK 189
7.1 DISCUSSION 189
7.2 FUTURE WORK AND OUTLOOK 190
BIBLIOGRAPHY 193
A RANGE AND DOPPLER HISTORY APPROXIMATION 207
A.L TAYLOR SERIES EXPANSION OF THE RANGE HISTORY 207
A.2 QUADRATIC APPROXIMATION OF THE DOPPLER HISTORY 208
B MOVING TARGET SIGNAL AFTER CHANNEL CO-REGISTRATION 211
C GENERAL DPCA-ATI PHASE COMPUTATION 213
D DUAL-PLATFORM GMTI PARAMETER ESTIMATION ACCURACIES 215
D.L ALONG-TRACK REPOSITIONING ACCURACY 215
D.2 RANGE REPOSITIONING ACCURACY 216
D.3 ALONG-TRACK VELOCITY ESTIMATION ACCURACY 216
D.4 ACROSS-TRACK VELOCITY ESTIMATION ACCURACY 216
D.5 ABSOLUTE VELOCITY ESTIMATION ACCURACY 217
D.6 MOVING DIRECTION ESTIMATION ACCURACY 217
D.7 LINE-OF-SIGHT ACCELERATION ESTIMATION ACCURACY 218
IV
|
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| author | Baumgartner, Stefan Valentin 1977- |
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| discipline | Technik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| indexdate | 2024-07-10T01:17:19Z |
| institution | BVB |
| language | English |
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| spelling | Baumgartner, Stefan Valentin 1977- Verfasser (DE-588)106499217X aut Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen Stefan Valentin Baumgartner Als Ms. gedr. Köln DLR 2014 XIV, 219 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Forschungsbericht /DLR, Deutsches Zentrum für Luft- und Raumfahrt 2014,28 Zugl.: Karlsruhe, KIT, Diss., 2014 Verkehrsüberwachung (DE-588)4283942-7 gnd rswk-swf Synthetische Apertur (DE-588)4195782-9 gnd rswk-swf Radar (DE-588)4176765-2 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Radar (DE-588)4176765-2 s Synthetische Apertur (DE-588)4195782-9 s Verkehrsüberwachung (DE-588)4283942-7 s DE-604 Forschungsbericht /DLR, Deutsches Zentrum für Luft- und Raumfahrt 2014,28 (DE-604)BV011758990 2014,28 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027723357&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Baumgartner, Stefan Valentin 1977- Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen Forschungsbericht /DLR, Deutsches Zentrum für Luft- und Raumfahrt Verkehrsüberwachung (DE-588)4283942-7 gnd Synthetische Apertur (DE-588)4195782-9 gnd Radar (DE-588)4176765-2 gnd |
| subject_GND | (DE-588)4283942-7 (DE-588)4195782-9 (DE-588)4176765-2 (DE-588)4113937-9 |
| title | Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen |
| title_auth | Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen |
| title_exact_search | Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen |
| title_full | Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen Stefan Valentin Baumgartner |
| title_fullStr | Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen Stefan Valentin Baumgartner |
| title_full_unstemmed | Traffic monitoring with air- and spaceborne synthetic aperture radar 8 Tabellen Stefan Valentin Baumgartner |
| title_short | Traffic monitoring with air- and spaceborne synthetic aperture radar |
| title_sort | traffic monitoring with air and spaceborne synthetic aperture radar 8 tabellen |
| title_sub | 8 Tabellen |
| topic | Verkehrsüberwachung (DE-588)4283942-7 gnd Synthetische Apertur (DE-588)4195782-9 gnd Radar (DE-588)4176765-2 gnd |
| topic_facet | Verkehrsüberwachung Synthetische Apertur Radar Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027723357&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV011758990 |
| work_keys_str_mv | AT baumgartnerstefanvalentin trafficmonitoringwithairandspacebornesyntheticapertureradar8tabellen |