On the principles, assumptions and methods of geodetic very long baseline interferometry:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Delft
Rijkscommissie voor Geodesie
1985
|
| Schriftenreihe: | [Publications on geodesy / New series]
7,4 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XII, 180 S. graph. Darst. |
| ISBN: | 9061322324 |
Internformat
MARC
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| 100 | 1 | |a Brouwer, Frits J. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a On the principles, assumptions and methods of geodetic very long baseline interferometry |c by Frits J. J. Brouwer |
| 264 | 1 | |a Delft |b Rijkscommissie voor Geodesie |c 1985 | |
| 300 | |a XII, 180 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
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| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a [Publications on geodesy / New series] |v 7,4 | |
| 650 | 7 | |a Geodesie |2 gtt | |
| 650 | 7 | |a Interferometrie |2 gtt | |
| 650 | 7 | |a Wetenschappelijke technieken |2 gtt | |
| 650 | 4 | |a Wissenschaftliches Arbeiten | |
| 650 | 4 | |a Very long baseline interferometry | |
| 810 | 2 | |a New series] |t [Publications on geodesy |v 7,4 |w (DE-604)BV001893158 |9 7,4 | |
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Datensatz im Suchindex
| _version_ | 1804120096312918016 |
|---|---|
| adam_text | TABLE OF CONTENTS
SUMMARY iii
ACKNOWLEDGEMENTS v
PART I GEODETIC VLBI
Chapter page
1 INTRODUCTION AND SCOPE 2
VLBI, A BRIEF HISTORICAL ACCOUNT 2
SCIENTIFIC OBJECTIVES OF GEODETIC VLBI 4
CONCEPT OF THE VLBI TECHNIQUE 5
Introduction 5
Equipment 5
Basic Assumptions 7
Correlation and Fringe Analysis 7
Ancillary Techniques 9
BACKGROUND AND PHILOSOPHY OF THIS STUDY 10
GUIDE FOR THE READER 11
2 STANDARD COMPUTING MODEL 13
INTRODUCTION 13
BASIC OBSERVATION EQUATIONS AND FRAMES 14
THE REAL WORLD FOR VLBI - INSTRUMENTATION 18
Clock Behaviour 18
Antenna Motion Correction 20
BWS - Ambiguities 21
Miscellaneous 22
THE REAL WORLD FOR VLBI - ASTRONOMY 2 3
Source Structure 23
Precession 23
Nutation 26
Aberration 28
Miscellaneous ! 30
THE REAL WORLD FOR VLBI - PHYSICS 30
Velocity of Light 30
Gravitational Deflection by the Sun 31
Special Relativity 33
Miscellaneous 34
THE REAL WORLD FOR VLBI - PROPAGATION 3 5
Dry Troposphere 35
Wet Troposphere 38
Ionosphere 39
vi
Miscellaneous 44
THE REAL WORLD FOR VLBI - GEOPHYSICS 44
Earth Rotation and Time 44
Retarded Baseline Correction 47
Polar Motion 48
Diurnal Polar Motion 49
Solid Earth Tides 51
Ocean Loading 54
Miscellaneous 54
ASSESSMENT OF ACCURACIES 54
3 DEGRIAS SOFTWARE PACKAGE 59
FULL COMPUTING MODEL OF DEGRIAS 59
FUNCTIONAL DESCRIPTION OF DEGRIAS 63
ESTIMABLE PARAMETERS IN DEGRIAS 67
DATA ANALYSIS PROCEDURE 70
DEGRIAS SYSTEM SUMMARY AND IMPROVEMENTS 71
EXAMPLE I: ERIDOC VLBI CAMPAIGN 72
General Information 72
ERIDOC multi-station solution 76
EXAMPLE II: MERIT SHORT CAMPAIGN 77
General Information 78
MERIT-SC: Reference Fit 80
MERIT-SC: Alternative Fits and Stability 84
One observation more 84
Excluding subsets of observations 85
Changes in the computing model 86
Conclusions 88
4 DESIGN OF VLBI EXPERIMENT 90
INTRODUCTION 90
INSTRUMENTATION FOR JUDGING A NETWORK DESIGN 91
Estimability of Parameters 91
Precision of Networks 91
Reliability of Networks 92
THE SIMULATION SOFTWARE SCHED 96
SOME SIMULATIONS 98
Critical Configurations 98
MERIT-SC Network 100
Network Studies of [Dermanis,1977] 104
European Geodynamics Network 110
5 ALTERNATIVE COMPUTING MODELS 114
WHY ALTERNATIVE MODELS ARE REQUIRED 114
Introduction 114
Description of Experiment 115
Discussion 117
Conclusion 119
GEOMETRIC COMPUTING MODEL 121
Concept 121
Estimability Considerations 123
SHORT-ARC COMPUTING MODEL 123
vi i
COMPARISON OF COMPUTING MODELS 124
European Geodynamics Network 124
Application to MERIT-SC 124
Simulation 124
Real observations 125
Conclusion 127
PART II COMPARISON OF TECHNIQUES
6 NETWORK COMPARISON 13 0
COORDINATE SYSTEMS AND FORM ELEMENTS 130
COMPARISON OF 3-D EUCLIDEAN COORDINATES 133
Introduction 133
Shape-only Approach 134
Using Similarity Transformation Parameters 136
THE FUSION SOFTWARE 138
APPLICATION TO PROJECT ERIDOC 140
Introduction 140
Direct Results of VLBI-Doppler Comparison 141
Dependence on Variance/Covariance Matrix 143
APPLICATION TO EUROPEAN GEODYNAMICS NETWORK 144
CONCLUSIONS 145
PART III CONCLUDING REMARKS
7 CONCLUSIONS amp; RECOMMENDATIONS 148
SYNOPSIS 148
RECOMMENDATIONS FOR FURTHER RESEARCH 150
Appendix page
A THE POSITION OF THE SUN 152
B THE COSECANT LAW FOR TROPOSPHERIC PATH DELAY 153
C IONOSONDE VERSUS DUAL-FREQUENCY IONOSPHERIC CORRECTION 155
D DOWN-WEIGHTING OF OBSERVATIONS 159
E A GENERAL 3-D S-TRANSFORMATION 163
F CONDITION EQUATION FOR THE 2-D VLBI CASE 168
G SPECIAL ALTERNATIVE HYPOTHESES FOR FUSION 171
H REFERENCES 173
|
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| id | DE-604.BV005907750 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T16:36:39Z |
| institution | BVB |
| isbn | 9061322324 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-003697846 |
| oclc_num | 17722404 |
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| owner_facet | DE-91 DE-BY-TUM DE-83 |
| physical | XII, 180 S. graph. Darst. |
| publishDate | 1985 |
| publishDateSearch | 1985 |
| publishDateSort | 1985 |
| publisher | Rijkscommissie voor Geodesie |
| record_format | marc |
| series2 | [Publications on geodesy / New series] |
| spelling | Brouwer, Frits J. Verfasser aut On the principles, assumptions and methods of geodetic very long baseline interferometry by Frits J. J. Brouwer Delft Rijkscommissie voor Geodesie 1985 XII, 180 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier [Publications on geodesy / New series] 7,4 Geodesie gtt Interferometrie gtt Wetenschappelijke technieken gtt Wissenschaftliches Arbeiten Very long baseline interferometry New series] [Publications on geodesy 7,4 (DE-604)BV001893158 7,4 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=003697846&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Brouwer, Frits J. On the principles, assumptions and methods of geodetic very long baseline interferometry Geodesie gtt Interferometrie gtt Wetenschappelijke technieken gtt Wissenschaftliches Arbeiten Very long baseline interferometry |
| title | On the principles, assumptions and methods of geodetic very long baseline interferometry |
| title_auth | On the principles, assumptions and methods of geodetic very long baseline interferometry |
| title_exact_search | On the principles, assumptions and methods of geodetic very long baseline interferometry |
| title_full | On the principles, assumptions and methods of geodetic very long baseline interferometry by Frits J. J. Brouwer |
| title_fullStr | On the principles, assumptions and methods of geodetic very long baseline interferometry by Frits J. J. Brouwer |
| title_full_unstemmed | On the principles, assumptions and methods of geodetic very long baseline interferometry by Frits J. J. Brouwer |
| title_short | On the principles, assumptions and methods of geodetic very long baseline interferometry |
| title_sort | on the principles assumptions and methods of geodetic very long baseline interferometry |
| topic | Geodesie gtt Interferometrie gtt Wetenschappelijke technieken gtt Wissenschaftliches Arbeiten Very long baseline interferometry |
| topic_facet | Geodesie Interferometrie Wetenschappelijke technieken Wissenschaftliches Arbeiten Very long baseline interferometry |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=003697846&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV001893158 |
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