Radar reflectivity of land and sea / Maurice W. Long.
By: Long, Maurice W.
Material type: BookPublisher: Dedham : Artech House, 1983Edition: 2nd edition.Description: xxxv, 385 p. : ill. ; 23 cm.ISBN: 0890061300 .Subject(s): Radar | Reflectance | Earth (Planet) -- SurfaceDDC classification: 621.38481Item type | Current library | Call number | Copy number | Status | Date due | Barcode | Item holds |
---|---|---|---|---|---|---|---|
General Lending | MTU Bishopstown Library Lending | 621.38481 (Browse shelf(Opens below)) | 1 | Available | 00076887 |
Enhanced descriptions from Syndetics:
This state-of-the-art edition of a radar classic brings you up-to-date on new developments in clutter measurement and modeling and features a wealth of new information not found in other currently available books. Authored by a recognized expert in the field, the book covers everything from basic concepts of radar reflectivity to space-time clutter amplitude and bistatic clutter.
Includes bibliographical references and indexes.
Remote sensing by radar -- Basic concepts and definitions -- Polarization, depolarization and theories of scattering -- Effects of the earth's surface -- Echo fluctuations -- Average and median cross sections -- Interdependence of polarization characteristics.
Table of contents provided by Syndetics
- Preface (p. xiii)
- Acknowledgments (p. xv)
- Foreword (p. xvii)
- Chapter 1 Remote Sensing by Radar (p. 1)
- State of the Art (p. 1)
- 1.1 Overview (p. 1)
- 1.2 Radar Capabilities at End of World War II (p. 5)
- 1.3 Strip Maps and Side-looking Radar (p. 11)
- Surface Effects and Emerging Techniques (p. 14)
- 1.4 Effects of Surface Characteristics (p. 14)
- 1.5 Emerging Techniques (p. 21)
- Chapter 2 Basic Concepts and Definitions (p. 31)
- Radar Reflectivity (p. 31)
- 2.1 The Radar Equation for Free Space (p. 33)
- 2.2 Radar Cross Section of Targets (p. 34)
- 2.3 Normalized Radar Cross Section (p. 35)
- 2.4 Rayleigh Roughness Criterion (p. 36)
- 2.5 Coherence and Incoherence of a Scattered Field (p. 37)
- 2.6 Far Field of Radar Targets (p. 39)
- 2.7 Relationship between the Autocorrelation Function and the Power Density Spectrum (p. 40)
- 2.8 Fluctuation Statistics (p. 42)
- The Earth and Its Effects on Radar (p. 47)
- 2.9 Effects of the Earth's Curvature and Refraction (p. 47)
- 2.10 The Effect of Interference on a Target (p. 49)
- 2.11 Nature of the Sea Surface and Wind Speed Statistics (p. 50)
- 2.12 Propagation Over the Horizon (p. 54)
- 2.13 Attenuation and Scattering by the Atmosphere (p. 57)
- Chapter 3 Polarization, Depolarization and Theories of Scattering (p. 63)
- Polarization and Depolarization (p. 63)
- 3.1 Polarization Scattering Matrix (p. 63)
- 3.2 Relationships between Linear and Circular Polarizations (p. 66)
- 3.3 A Randomly Oriented Dipole (p. 68)
- 3.4 A Diplane Reflector (p. 70)
- 3.5 Depolarization Caused by an Ensemble of Randomly Oriented Dipoles (p. 72)
- Theories for Radar Cross Section of Rough Surfaces (p. 74)
- 3.6 Simplified Models (p. 75)
- 3.7 Classical Interference Theory (p. 77)
- 3.8 The Tangent Plane Approximation (p. 78)
- 3.9 Very Rough Surfaces (p. 78)
- 3.10 The Facet Model (p. 79)
- 3.11 The Slightly Rough Planar Surface (p. 79)
- 3.12 Ripples on Water (p. 81)
- 3.13 Vegetation Model (p. 84)
- 3.14 Composite Surfaces (p. 86)
- 3.15 Doppler Spectra of Sea Echo (p. 87)
- Chapter 4 Effects of the Earth's Surface (p. 95)
- Fundamental Concepts (p. 95)
- 4.1 Effects of the Earth's Curvature and Refraction (p. 95)
- 4.2 Reflection Coefficient and Divergence Factor (p. 98)
- 4.3 Reflection Coefficient for a Flat, Smooth Earth (p. 98)
- 4.4 Effect of Terrain on Target Echo Strength (p. 102)
- Echo from Targets That are Above a Flat, Smooth Earth (p. 106)
- 4.5 Range and Depression Angle Dependence for a Small Object above a Smooth Earth (p. 111)
- 4.6 Vertically Extensive Objects above a Smooth Earth (p. 113)
- 4.7 Propagation Factors for Circular, Horizontal and Vertical Polarizations above a Smooth Earth (p. 116)
- 4.8 Propagation Factors for a Cloud of Scatterers above a Smooth Earth (p. 119)
- Effects of Surface Roughness on Forward Scattered Fields (p. 121)
- 4.9 Reflection Coefficient for Rough Surfaces (p. 121)
- 4.10 Shadowing (p. 125)
- 4.11 Depolarization (p. 126)
- Echo from Targets That are Above a Physically Rough Earth (p. 127)
- 4.12 Variation of Echo Power with Range (p. 127)
- 4.13 Range at Which Idealized R[superscript -4] and R[superscript -8] Curves Intersect (p. 128)
- 4.14 Relative Cross Sections for Circular Polarizations (p. 130)
- 4.15 A Cloud of Scatterers (p. 132)
- 4.16 Effects of the Diffuse Component on Target Echo (p. 134)
- Interference Effects on Echo from Land and Sea (p. 135)
- 4.17 Effects of Forward Scatter on [sigma][degree] for the Sea (p. 135)
- 4.18 Local Interference (p. 137)
- 4.19 Comparisons between the Classical Interference Effect and Local Interference (p. 138)
- Chapter 5 Echo Fluctuations (p. 143)
- Ground Echo Fluctuations (p. 145)
- 5.1 Nature of Ground Echoes (p. 145)
- 5.2 Amplitude Distributions for Terrian (p. 146)
- 5.3 Frequency Spectra and Autocorrelation Functions for Land Echo (p. 156)
- Visual Observations of Sea Echo (p. 168)
- 5.4 Characteristics Revealed by an A-Scope Display (p. 170)
- 5.5 Results from Fixed Range Sampling (p. 172)
- 5.6 Subjective Radar and Optical Comparison (p. 176)
- 5.7 Anomalies (p. 177)
- Sea Echo Statistics and Spectra (p. 178)
- 5.8 Amplitude Distributions (p. 178)
- 5.9 Spectra Observed with Noncoherent Radar (p. 189)
- 5.10 Autocorrelation Functions (p. 191)
- 5.11 Frequency Spectra and Relationships with Sea Surface Mechanisms (p. 196)
- 5.12 Relative Power in Fast and Slow Fluctuations (p. 200)
- 5.13 Phase Coherent Doppler Spectra (p. 202)
- Chapter 6 Average and Median Cross Sections (p. 211)
- Introduction (p. 211)
- 6.1 General Characteristics of [sigma][degree] (p. 211)
- 6.2 Differences between Average and Median Values (p. 212)
- 6.3 Planar Surfaces with Roughness Comparable to a Wavelength or Less (p. 214)
- 6.4 Very Small Incidence Angles (p. 215)
- 6.5 Near Vertical Incidence (p. 218)
- 6.6 Classical Interference Effect (p. 219)
- Radar Cross Section for Land (p. 220)
- 6.7 Nature of [sigma][degree] for Land (p. 220)
- 6.8 Average [sigma][degree] for Various Terrains (p. 221)
- 6.9 Median [sigma][degree] for Various Terrains (p. 245)
- 6.10 Dependence on Incidence Angle and Polarization (p. 247)
- 6.11 Wavelength Dependence for Land (p. 255)
- 6.12 Discussion on [sigma][degree] for Land (p. 256)
- Radar Cross Section for the Sea (p. 260)
- 6.13 Nature of [sigma][degree] for the Sea (p. 260)
- 6.14 Range Dependence at Small Incidence Angles (p. 261)
- 6.15 Dependence on Incidence Angle (p. 267)
- 6.16 Incidence Angle Dependence at Low Frequencies (p. 275)
- 6.17 Dependence of [sigma][degree] on Polarization (p. 279)
- 6.18 Dependence of [sigma][degree] on the Wind and Sea (p. 282)
- 6.19 Sea Echo Prediction (p. 293)
- 6.20 Wavelength Dependence for the Sea (p. 296)
- 6.21 Oil Slicks (p. 306)
- 6.22 Discussion on [sigma][degree] for the Sea (p. 306)
- Chapter 7 Interdependence of Polarization Characteristics (p. 313)
- Introduction (p. 313)
- 7.1 General Observations (p. 313)
- 7.2 Coherency, Statistical Independence, and Correlation (p. 315)
- 7.3 A Simplified Polarization Model for Rough Terrain (p. 318)
- 7.4 Use of the Polarization Model for the Moon (p. 321)
- Echo from Land, Principally Trees (p. 326)
- 7.5 Amplitude Fluctuations (p. 327)
- 7.6 Interdependence of Amplitude and Phase of Orthogonally Polarized Echoes (p. 328)
- 7.7 Average and Median Value Data, and Depression Angle Dependence (p. 331)
- 7.8 Relative Magnitude of Coherent and Incoherent Scattering from Trees (p. 335)
- Sea Echo (p. 338)
- 7.9 Fluctuations of Orthogonally Polarized Components (p. 338)
- 7.10 Averages and Medians for Linear Polarization (p. 342)
- 7.11 Interdependence of Averages and Medians for Linear and Circular Polarization (p. 346)
- 7.12 Coherent and Incoherent Scattering from the Sea (p. 354)
- Appendices (p. 359)
- Author Index (p. 375)
- Subject Index (p. 380)