The earth's gravity field from GOCE:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2012
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| Schlagworte: | |
| Online-Zugang: | Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120312-1091412-1-3 Inhaltsverzeichnis |
| Beschreibung: | X, 144 S. graph. Darst. |
Internformat
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| 245 | 1 | 0 | |a The earth's gravity field from GOCE |c Weiyong Yi |
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Datensatz im Suchindex
| _version_ | 1804149084512059392 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
LIST O F FIGURES V
LIST O F TABLES X
1 INTRODUCTION 1
1.1 MOTIVATION 1
1.2 OVERVIEW O F SATELLITE GRAVITATIONAL MISSIONS 3
1.3 OUTLINE O F THIS WORK 6
2 THEORY ABOUT ORBIT PERTURBATIONS AND CASE STUDY 8
2.1 GRAVITATIONAL FIELD AND GEOID 8
2.2 SATELLITE ORBIT AND PERTURBATION 11
2.2.1 EARTH S GRAVITATIONAL ACCELERATION 13
2.2.2 N-BODY PERTURBATION (DIRECT TIDE) 16
2.2.3 SOLID EARTH TIDES 17
2.2.4 OCEAN TIDES 18
2.2.5 GENERAL RELATIVISTIC EFFECTS 18
2.2.6 AIR DRAG 19
2.2.7 SOLAR RADIATION 20
2.2.8 EARTH RADIATION PRESSURE (ALBEDO) 21
2.2.9 EMPIRICAL ACCELERATIONS 22
2.3 VARIATIONAL EQUATIONS 23
2.4 ORBIT INTEGRATION 24
2.5 CASE STUDY FOR GOCE 27
2.6 SUMMARY 32
3 LEAST SQUARES AND DATA ADJUSTMENT FOR GOCE DATA PROCESSING 33
3.1 LEAST SQUARES ADJUSTMENT AND COMBINATION O F DIFFERENT OBSERVATION
TYPES . . . 33
3.2 REGULARIZATION 36
3.3 COMBINATION AND CONTRIBUTION ANALYSIS 39
3.4 DATA WEIGHTING AND FILTERING 40
II
HTTP://D-NB.INFO/1030505349
IMAGE 2
3.5 PARAMETER PRE-ELIMINATION 43
3.6 SUMMARY 44
4 GOCE GRAVITY FIELD DETERMINATION FROM SATELLITE-TO-SATELLITE TRACKING
46
4.1 OBSERVATION MODEL 48
4.2 REDUCTION O F THE FORCES . 53
4.2.1 GRAVITATIONAL FORCES 53
4.2.2 NON-GRAVITATIONAL ACCELERATIONS MEASURED BY GOCE ACCELEROMETERS .
. . 54
4.3 SPHERICAL HARMONIC ANALYSIS FROM THE KINEMATIC ORBIT 56
4.3.1 OUTLIER DETECTION 56
4.3.2 ARC LENGTH AND PARAMETERIZATION 58
4.3.3 RESULTS AND ANALYSIS 60
4.3.4 CONTRIBUTION O F REGULARIZATION 65
4.3.5 RECONSTRUCTED ACCELERATIONS 66
4.3.6 RECONSTRUCTED ORBITS AND RESIDUAL ANALYSIS 68
4.4 SUMMARY 69
5 GOCE GRAVITATIONAL GRADIOMETRY AND SPHERICAL HARMONIC ANALYSIS 72
5.1 GOCE GRAVITATIONAL GRADIOMETRY 72
5.2 OBSERVATION MODEL 77
5.3 REDUCTIONS O F THE GRAVITATIONAL GRADIENT 81
5.4 DATA ANALYSIS BEFORE SPHERICAL HARMONIC ANALYSIS . . . 83
5.4.1 ATTITUDE DATA ANALYSIS 83
5.4.2 GRADIOMETER DATA ANALYSIS 85
5.4.2.1 OUTLIER DETECTION 85
5.4.2.2 GRADIOMETER DATA IN THE TIME DOMAIN 88
5.4.2.3 GRADIOMETER DATA IN THE FREQUENCY DOMAIN 90
5.4.2.4 GRADIOMETER DATA IN THE SPACE DOMAIN 92
5.4.2.5 MODELING THE LOWER-FREQUENCY ERRORS 97
5.5 SPHERICAL HARMONIC ANALYSIS FROM SGG DATA 100
5.5.1 FILTERS USED FOR SHA 101
5.5.2 RESULT ANALYSIS O F SHA 102
5.6 SUMMARY 106
6 COMBINATION O F SST AND SGG 109
6.1 METHODOLOGY 109
6.2 ANALYSIS O F THE SOLUTION DERIVED BY COMBINATION O F GOCE SST AND
SGG . . . . I L L
6.2.1 ANALYSIS IN TERMS O F PER DEGREE ERROR 113
III
IMAGE 3
6.2.2 ANALYSIS O F COEFFICIENT ERROR IN TERMS O F SPHERICAL HARMONIC
COEFFICIENTS
(TRIANGULAR REPRESENTATION) 115
6.2.3 ANALYSIS IN TERMS O F GEOID AND GRAVITY ANOMALY DIFFERENCES 115
6.2.3.1 COMPARISON TO SATELLITE-ONLY MODELS 116
6.2.3.2 COMPARISON TO COMBINED MODELS 118
6.2.4 ANALYSIS IN TERMS O F FORMAL ERROR 121
6.2.5 ANALYSIS IN TERMS O F CONTRIBUTION ANALYSIS 122
6.2.5.1 CONTRIBUTION COMPUTED BY MEANS O F RESOLUTION MATRICES . . . 122
6.2.5.2 COMPARISON O F INDIVIDUAL COMPONENTS TO THE COMPLETE COM
BINED SOLUTION 124
6.2.6 ANALYSIS IN TERMS O F EXTERNAL VALIDATIONS 124
6.3 ANALYSIS O F THE SOLUTION DERIVED BY COMBINATION O F GRACE SST AND
GOCE SGG 128
6.4 SUMMARY 131
7 CONCLUDING REMARKS 133
7.1 DISCUSSION 133
7.2 OUTLOOK 135
LIST O F ABBREVIATIONS 136
REFERENCES 138
I V
|
| any_adam_object | 1 |
| author | Yi, Weiyong |
| author_facet | Yi, Weiyong |
| author_role | aut |
| author_sort | Yi, Weiyong |
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| dewey-ones | 526 - Mathematical geography |
| dewey-raw | 526.7 |
| dewey-search | 526.7 |
| dewey-sort | 3526.7 |
| dewey-tens | 520 - Astronomy and allied sciences |
| discipline | Geowissenschaften Physik |
| format | Thesis Book |
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| spelling | Yi, Weiyong Verfasser aut The earth's gravity field from GOCE Weiyong Yi 2012 X, 144 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2012 Gravitationsfeld (DE-588)4072014-7 gnd rswk-swf Schwerefeld (DE-588)4192182-3 gnd rswk-swf Satellit (DE-588)4136498-3 gnd rswk-swf Erde (DE-588)1135962553 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Schwerefeld (DE-588)4192182-3 s Gravitationsfeld (DE-588)4072014-7 s Satellit (DE-588)4136498-3 s Erde (DE-588)1135962553 g DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:91-diss-20120312-1091412-1-3 http://mediatum.ub.tum.de/node?id=1091412 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120312-1091412-1-3 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024979726&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Yi, Weiyong The earth's gravity field from GOCE Gravitationsfeld (DE-588)4072014-7 gnd Schwerefeld (DE-588)4192182-3 gnd Satellit (DE-588)4136498-3 gnd |
| subject_GND | (DE-588)4072014-7 (DE-588)4192182-3 (DE-588)4136498-3 (DE-588)1135962553 (DE-588)4113937-9 |
| title | The earth's gravity field from GOCE |
| title_auth | The earth's gravity field from GOCE |
| title_exact_search | The earth's gravity field from GOCE |
| title_full | The earth's gravity field from GOCE Weiyong Yi |
| title_fullStr | The earth's gravity field from GOCE Weiyong Yi |
| title_full_unstemmed | The earth's gravity field from GOCE Weiyong Yi |
| title_short | The earth's gravity field from GOCE |
| title_sort | the earth s gravity field from goce |
| topic | Gravitationsfeld (DE-588)4072014-7 gnd Schwerefeld (DE-588)4192182-3 gnd Satellit (DE-588)4136498-3 gnd |
| topic_facet | Gravitationsfeld Schwerefeld Satellit Erde Hochschulschrift |
| url | http://mediatum.ub.tum.de/node?id=1091412 https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20120312-1091412-1-3 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024979726&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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