Backscattering from multiscale rough surfaces with application to wind scatterometry:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Boston
Artech House
2015
|
| Schriftenreihe: | Artech House remote sensing library
|
| Schlagworte: | |
| Online-Zugang: | Klappentext Inhaltsverzeichnis |
| Beschreibung: | XIV, 306 S. |
| ISBN: | 9781630810009 1630810002 |
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Datensatz im Suchindex
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| adam_text | This valuable resource explains and demonstrates the backscattering
properties of multiscale rough surfaces and illustrates their
application to establish the geophysical model function (GMF)
needed in wind scatterometry.This book also explains how the
mechanisms of backscattering change with frequency and the
incident angles on a multiscale surface, as well as how to
recognize single-scale versus multiscale surfaces.
Contents Overview: Introduction; Surface Backscattering Mechanisms;
Surface BackscatteringTrends and Comparisons with Measurements;
Backscattering from the Sea Surface; A Geophysical Model Function
for Wind Scatterometry.
Adrian K. Fung was previously the director of the Wave Scattering
Research Center, a Jenkins Garrett professor of electrical engineering,
and a member of the Academy of Distinguished Scholars at the
University ofTexas at Arlington. Dr. Fung is also a life fellow of the
Institute of Electrical and Electronics Engineers and a member of U.S.
Commission F of the International Scientific Radio Union. He earned
his Ph.D. from the University of Kansas, Lawrence.
Contents
Preface xiii
Acknowledgments xiv
Chapter 1 Introduction 1
1.1 INTRODUCTION TO SURFACE SCATTERING 1
1.2 WAVELENGTH FILTERING 2
1.2.1 Scattering Integral Interpretation of Wavelength Filtering 3
1.3 CORRELATION PROPERTIES OF MULTISCALE
SURFACES 4
1.4 MODIFIED EXPONENTIAL CORRELATION FUNCTIONS 7
1.4.1 The Exponential-Like Correlation Function (expl) 7
1.4.2 The Modified Exponential Correlation Function (mexp) 10
1.4.3 Surface Spectra for Backscattering Computation 12
1.5 CONCLUDING REMARKS 13
References 13
Chapter 2 Surface Backscattering Mechanisms 15
2.1 INTRODUCTION 15
2.2 THE BACKSCATTER MODEL 15
2.2.1 A Better Estimate of Surface Reflection Coefficient 18
2.3 MECHANISMS OF THE SURFACE SCATTERING
MODEL 19
2.3.1 Variation of Backscattering Sources with Frequency 20
VII
Contents
viii
2.3.2 Numerical Illustration of Backscattering Sources 24
2.3.3 Numerical Illustration of Wavelength Filtering 29
2.4 APPROXIMATION OF BACKSCATTERING FROM A
MULTISCALE SURFACE USING THE MODIFIED
EXPONENTIAL CORRELATION FUNCTION (MEXP) 42
2.5 APPROXIMATION OF BACKSCATTERING FROM A
MULTISCALE SURFACE USING THE EXPONENTIAL-
LIKE CORRELATION FUNCTION (EXPL) 49
2.6 APPROXIMATION OF BACKSCATTERING FROM
ANOTHER MULTISCALE SURFACE 55
2.7 CONCLUDING REMARKS 59
References 61
Chapter 3 Surface Backscattering Trends and Comparisons with
Measurements 63
3.1 INTRODUCTION 63
3.2 PARAMETER EFFECTS ON BACKSCATTERING WITH
EXPL 64
3.2.1 Frequency Dependence 64
3.2.1.1 Effect of Correlation Parameter on Frequency
Dependence 65
3.2.1.2 Effect of Surface rms Height on Frequency
Dependence 72
3.2.1.3 Effect of Correlation Length on Frequency
Dependence 78
3.2.1.4 Effect of Dielectric Constant on Frequency
Dependence 81
3.2.2 Surface Height Dependence 86
3.2.2.1 Effect of Frequency on Surface Height
Dependence 86
3.2.2.2 Effect of Correlation Parameter on Surface
Height Dependence 91
3.2.2.3 Effect of Dielectric Constant on Surface Height
Dependence 95
3.2.2.4 Effect of L on Surface Height Dependence 98
Contents ix
3.2.3 Correlation Parameter Dependence 101
3.2.3.1 Effect of Frequency on Correlation Parameter
Dependence 102
3.2.3.2 Effect of rms Height on Correlation Parameter
Dependence 107
3.2.3.3 Effect of L on Correlation Parameter
Dependence 110
3.2.3.4 Effect of Dielectric Constant on Correlation
Parameter Dependence 112
3.2.4 Correlation Length Dependence 115
3.2.4.1 Effect of Frequency on Correlation Length
Dependence 116
3.2.4.2 Effect of rms Height on Correlation Length
Dependence 119
3.2.4.3 Effect of Correlation Parameter on Correlation
Length Dependence 122
3.2.4.4 Effect of Dielectric Constant on Correlation
Length Dependence 123
3.2.5 Summary Comments on Parameter Effects 124
3.2.5.1 Parameter Considerations with Angular Data 124
3.2.5.2 Parameter Considerations with Frequency
Data 125
3.3 COMPARISONS WITH DATA FROM SURFACES WITH
UNKNOWN PARAMETERS 128
3.3.1 An Asphalt Surface 130
3.3.2 A Loose Dirt Surface 134
3.4 COMPARISONS WITH DATA FROM SURFACES WITH
MEASURED PARAMETERS 142
3.4.1 A Surface with ka 1 143
3.4.2 A Surface with ka « 1 Near C-Band 145
3.4.3 A Surface with ka » 1 Near L-Band 149
3.4.4 A Man-Made Known Surface 155
3.5 CONCLUDING REMARKS 157
References 158
X
Contents
Chapter 4 Backscattering from the Sea Surface 161
4.1 INTRODUCTION 161
4.2 A SEA SURFACE SCATTERING MODEL 164
4.3 PARAMETER EFFECTS ON BACKSCATTERING FROM
AN ANISOTROPIC SKEWED SURFACE 166
4.3.1 Skewness and Anisotropic Effects on Frequency
Dependence 167
4.3.2 Skewness and Anisotropic Effects on rms Height
Dependence 177
4.3.3 Skewness and Anisotropic Effects on Correlation
Parameter Dependence 182
4.3.4 Skewness and Anisotropic Effects on Correlation
Length Dependence 187
4.3.5 Skewness and Anisotropic Effects on Dielectric
Constant Dependence 191
4.3.6 Azimuth Parameter Effect 195
4.4 COMPARISONS WITH RADAR MEASUREMENTS
OVER OCEAN 196
4.4.1 General Characteristics of Radar Sea Return 196
4.4.2 Variations of Backscattering with the Azimuth Angle 199
4.4.3 Variations of Backscattering with the Incident Angle 209
4.5 INTERNAL CONSISTENCY IN DATA LEVEL 221
4.6 CONCLUDING REMARKS 222
References 223
APPENDIX 4A: Dielectric Constant of Sea Water 225
4A.1 Introduction 225
4A.2 A Dielectric Model of Sea Water 225
Chapter 5 A Geophysical Model Function for Wind
Scatterometry 227
5.1 INTRODUCTION 227
5.2 GMF FOR LOW WIND SPEEDS 229
Contents xi
5.2.1 Data Behavior at 13.9 GHz and VV Polarization 230
5.2.2 Selection of Model Parameters 231
5.2.2.1 Determination of Surface Parameters 234
5.2.2.2 Surface Parameters as a Function of Wind
Speed 236
5.2.3 GMF for 13.9 GHz and VV Polarization at 40° Incident
Angle 239
5.2.4 Data Behavior at 13.9 GHz and HH Polarization 241
5.2.4.1 Determination of Surface Parameters 241
5.2.4.2 Surface Parameters as a Function of Wind
Speed 244
5.2.5 GMF for 13.9 GHz and HH Polarization at 40° Incident
Angle 246
5.3 GMF FOR HIGH WIND SPEEDS 246
5.3.1 Data Behavior at 5.3 and 13.5 GHz 248
5.3.1.1 Determination of Surface Parameters 251
5.3.1.2 Surface Parameters as a Function of Wind
Speed 253
5.3.2 GMF for 5.3 GHz and HH Polarization at 49° Incident
Angle 256
5.3.3 GMF for 13.5 GHz and VV Polarization at 29° Incident
Angle 257
5.4 COMMENTS ON THE RELATION BETWEEN VV AND
HH POLARIZATION 257
5.5 COMPARISONS WITH EMPIRICAL GMF
PREDICTIONS 260
5.5.1 A Summary of Sea Backscattering Characteristics 261
5.5.2 Comparisons with the SASS-2 Model Function 266
5.5.2.1 GMF for Vertical Polarization at 14.6 GHz 273
5.5.2.2 GMF for Horizontal Polarization at 14.6 GHz 275
5.5.3 Comparisons with QuikSCAT GMF 277
5.5.3.1 GMF for Vertical Polarization at 13.4 GHz 277
5.5.3.2 GMF for Horizontal Polarization at 13.4 GHz 280
XI]
Contents
5.5.4 Comparisons with NSC AT GMF 284
5.5.4.1 GMF for Vertical Polarization at 13.99 GHz 284
5.5.4.2 GMF for Horizontal Polarization at 13.99 GHz 287
5.5.4.3 Comparison of NSCAT with Airborne Data 291
5.6 CONCLUDING REMARKS 291
References 292
About the Author 295
Index 297
|
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| spelling | Fung, Adrian K. Verfasser aut Backscattering from multiscale rough surfaces with application to wind scatterometry Adrian K. Fung Boston Artech House 2015 XIV, 306 S. txt rdacontent n rdamedia nc rdacarrier Artech House remote sensing library Rückstreuung (DE-588)4178653-1 gnd rswk-swf Rauigkeit (DE-588)4128988-2 gnd rswk-swf Oberfläche (DE-588)4042907-6 gnd rswk-swf Streuung (DE-588)4058056-8 gnd rswk-swf Rückstreuung (DE-588)4178653-1 s DE-604 Oberfläche (DE-588)4042907-6 s Rauigkeit (DE-588)4128988-2 s Streuung (DE-588)4058056-8 s Digitalisierung UB Bayreuth - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027998239&sequence=000003&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Klappentext Digitalisierung UB Bayreuth - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027998239&sequence=000004&line_number=0002&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Fung, Adrian K. Backscattering from multiscale rough surfaces with application to wind scatterometry Rückstreuung (DE-588)4178653-1 gnd Rauigkeit (DE-588)4128988-2 gnd Oberfläche (DE-588)4042907-6 gnd Streuung (DE-588)4058056-8 gnd |
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| title | Backscattering from multiscale rough surfaces with application to wind scatterometry |
| title_auth | Backscattering from multiscale rough surfaces with application to wind scatterometry |
| title_exact_search | Backscattering from multiscale rough surfaces with application to wind scatterometry |
| title_full | Backscattering from multiscale rough surfaces with application to wind scatterometry Adrian K. Fung |
| title_fullStr | Backscattering from multiscale rough surfaces with application to wind scatterometry Adrian K. Fung |
| title_full_unstemmed | Backscattering from multiscale rough surfaces with application to wind scatterometry Adrian K. Fung |
| title_short | Backscattering from multiscale rough surfaces with application to wind scatterometry |
| title_sort | backscattering from multiscale rough surfaces with application to wind scatterometry |
| topic | Rückstreuung (DE-588)4178653-1 gnd Rauigkeit (DE-588)4128988-2 gnd Oberfläche (DE-588)4042907-6 gnd Streuung (DE-588)4058056-8 gnd |
| topic_facet | Rückstreuung Rauigkeit Oberfläche Streuung |
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