Fast spherical near-field antenna measurement methods

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1. Verfasser: Cornelius, Rasmus 1986- (VerfasserIn)
Format: Abschlussarbeit Buch
Sprache:English
Veröffentlicht: Aachen Apprimus Verlag 2019
Ausgabe:1. Auflage
Schriftenreihe:Elektro- und Informationstechnik
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Datensatz im Suchindex

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adam_text CONTENTS 1 INTRODUCTION 1 2 SPHERICAL WAVE EXPANSION 5 2.1 THEORY ....................................................................................................... 5 2.1.1 ANTENNA SCATTERING MATRIX ......................................................... 6 2.1.2 SPHERICAL TRANSMISSION FORMULA ..................................................... 9 2.2 TRANSFORMATION ALGORITHMS ...................................................................... 13 2.2.1 ALGORITHMS BASED ON SOLVING A LINEAR EQUATION SYSTEM ............ 14 2.2.1.1 DIRECT METHODS ............................................................ 14 2.2.1.2 ITERATIVE METHODS ......................................................... 15 2.2.2 WACKER ALGORITHM ......................................................................... 16 2.2.3 PROBE CORRECTION ......................................................................... 17 2.2.4 TRANSFORMATION TIMES .................................................................. 19 2.3 SUMMARY ................................................................................................. 19 3 PROBE ARRAY SYSTEM 23 POINTWISE PROBE CORRECTION ......................................................................... 24 4 TRUNCATION 29 4.1 DIRECT EXTRAPOLATION .................................................................................. 32 4.2 ALTERNATING ORTHOGONAL PROJECTIONS .......................................................... 35 4.3 OTHER TECHNIQUES ........................................................................................ 40 4.3.1 SLEPIAN FUNCTIONS ............................................................................ 41 4.3.2 EQUIVIVALENT CURRENT REPRESENTATION .............................................. 42 4.4 SUMMARY ..................................................................................................... 42 5 NON OR MINIMAL REDUNDANT SAMPLING 45 5.1 POINT DISTRIBUTION ........................................................................................ 45 5.1.1 EQUIANGULAR ..................................................................................... 46 5.1.2 THINNED EQUIANGULAR ...................................................................... 47 5.1.3 SPIRALS .............................................................................................. 47 5.1.4 MAXIMUM DETERMINANT ................................................................... 53 5.1.5 OTHERS ............................................................................................... 54 5.1.6 COMPARISON ...................................................................................... 55 5.2 MEASUREMENTS .............................................................................................. 66 5.3 SUMMARY ..................................................................................................... 72 6 TRANSLATION AND ROTATION OF THE TRANSFORMATION ORIGIN 75 6.1 SPHERICAL TRANSMISSION FORMULA FOR AN ARBITRARY TRANSFORMATION ORIGIN 76 6.2 SAMPLING POINT PROJECTION .......................................................................... 79 6.3 MEASUREMENTS ............................................................................................... 81 6.4 SUMMARY ..................................................................................................... 94 VI CONTENTS 7 MEASUREMENT UNCERTAINTIES 95 7.1 UNCERTAINTY BUDGET CALCULATION ................................................................. 97 7.1.1 TERM 1 & 4: PROBE RELATED UNCERTAINTIES ...................................... 97 7.1.2 TERM 7: ANTENNA UNDER TEST (AUT) ALIGNMENT ERROR .................... 100 7.1.3 TERM 8: DATA POINT SPACING ........................................................... 101 7.1.4 TERM 10: POSITION ERROR .................................................................. 102 7.1.5 TERM 12: MULTIPLE REFLECTIONS ......................................................... 107 7.1.6 TERM 13: RECEIVER AMPLITUDE NONLINEARITY .................................... ILL 7.1.7 TERM 14: SYSTEM AMPLITUDE AND PHASE ERRORS .............................. 112 7.1.8 TERM 15: RECEIVER DYNAMIC RANGE ................................................ 114 7.1.9 TERM 16: ROOM SCATTERING ............................................................ 114 7.1.10 TERM 17: LEAKAGE AND CROSSTALK ................................................... 126 7.1.11 TERM 18: MISCELLANEOUS RANDOM ERRORS ....................................... 126 7.2 NF PATTERN AVERAGING .................................................................................. 126 7.3 SUMMARY .................................................................................................... 129 8 SUB-NYQUIST SAMPLING 131 9 CONCLUSION 137 A IHF MEASUREMENT CHAMBER 141 A. L SNF RANGE .................................................................................................... 141 A. 2 SH800 NEAR-FIELD PROBE .............................................................................. 142 B BTS MEASUREMENTS 143 B. L BTS SPECIFICATIONS ..................................................................................... 143 B. 2 BTS MEASUREMENT UNCERTAINTIES ............................................................... 143 C QH2000 MEASUREMENTS 147 C. L QH2000 SPECIFICATIONS ............................................................................... 147 C. 2 QH2000 MEASUREMENT UNCERTAINTIES ......................................................... 147 D TEST ZONE SIMULATION 163 E LIST OF ABBREVIATIONS 165 BIBLIOGRAPHY 167 LIST OF PUBLICATIONS 181 CURRICULUM VITAE 183
any_adam_object 1
author Cornelius, Rasmus 1986-
author_GND (DE-588)1195541724
author_facet Cornelius, Rasmus 1986-
author_role aut
author_sort Cornelius, Rasmus 1986-
author_variant r c rc
building Verbundindex
bvnumber BV046254267
classification_rvk ZN 6440
ZQ 3420
ctrlnum (OCoLC)1128845003
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discipline Maschinenbau / Maschinenwesen
Elektrotechnik / Elektronik / Nachrichtentechnik
Mess-/Steuerungs-/Regelungs-/Automatisierungstechnik / Mechatronik
edition 1. Auflage
format Thesis
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series2 Elektro- und Informationstechnik
spellingShingle Cornelius, Rasmus 1986-
Fast spherical near-field antenna measurement methods
Abtastung (DE-588)4140375-7 gnd
Antennenmesstechnik (DE-588)4142613-7 gnd
Antennennahfeld (DE-588)4142615-0 gnd
Messgenauigkeit (DE-588)4138706-5 gnd
Messunsicherheit (DE-588)4210374-5 gnd
Transformation Mathematik (DE-588)4060637-5 gnd
Strahlungscharakteristik (DE-588)4057852-5 gnd
subject_GND (DE-588)4140375-7
(DE-588)4142613-7
(DE-588)4142615-0
(DE-588)4138706-5
(DE-588)4210374-5
(DE-588)4060637-5
(DE-588)4057852-5
(DE-588)4113937-9
title Fast spherical near-field antenna measurement methods
title_auth Fast spherical near-field antenna measurement methods
title_exact_search Fast spherical near-field antenna measurement methods
title_full Fast spherical near-field antenna measurement methods vorgelegt von Diplom-Ingenieur Rasmus Cornelius
title_fullStr Fast spherical near-field antenna measurement methods vorgelegt von Diplom-Ingenieur Rasmus Cornelius
title_full_unstemmed Fast spherical near-field antenna measurement methods vorgelegt von Diplom-Ingenieur Rasmus Cornelius
title_short Fast spherical near-field antenna measurement methods
title_sort fast spherical near field antenna measurement methods
topic Abtastung (DE-588)4140375-7 gnd
Antennenmesstechnik (DE-588)4142613-7 gnd
Antennennahfeld (DE-588)4142615-0 gnd
Messgenauigkeit (DE-588)4138706-5 gnd
Messunsicherheit (DE-588)4210374-5 gnd
Transformation Mathematik (DE-588)4060637-5 gnd
Strahlungscharakteristik (DE-588)4057852-5 gnd
topic_facet Abtastung
Antennenmesstechnik
Antennennahfeld
Messgenauigkeit
Messunsicherheit
Transformation Mathematik
Strahlungscharakteristik
Hochschulschrift
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