Natroshvili, Koba: Bistatic processing - analysis and verificationBistatische Prozessierung - Analyse und Verifizierung. 2007
Inhalt
- Abstract/Kurzfassung
- Table of content
- Abbreviations
- Notations
- 1 Introduction, Overview and Structure of the Document
- 2 Conventional Monostatic SAR and Bistatic SAR, Experiments and Upcoming Missions
- 2.1 Conventional Monostatic SAR
- 2.2 Benefits of Bistatic and Multistatic SAR in Comparison withMonostatic SAR
- 2.3 Classification of Bistatic Configurations
- 2.4 Upcoming Bistatic Constellations
- 2.5 Bistatic Processing
- 3 Point Target Reference Spectrum for Bistatic Configurations
- 3.1 Modeling the Bistatic Geometry
- 3.2 Point Target Response
- 3.3 Point Target Spectrum
- 3.4 Bistatic Point Target Reference Spectrum
- 3.5 Quasi-Monostatic Phase Term
- 3.6 Bistatic Deformation Term
- 3.7 Common Bistatic Point of Stationary Phase
- 3.8 Bistatic Amplitude Term
- 3.9 Result and Summary
- 4 Interpretation of the Bistatic Point Target Reference Spectrum for Different Configurations
- 4.1 General Case
- 4.2 Bistatic Doppler Bandwidth and Doppler Centroid
- 4.3 Particular Cases of the Bistatic Point Target Reference Spectrum
- 5 Constraints of Validity
- 5.1 Strong Terms of Validity
- 5.2 Derivatives of the Slant Range at the Point of Stationary Phase
- 5.3 Derivation of Constraints
- 5.4 Constraints Expressed in Bistatic Parameters and Bandwidths
- 5.5 Interpreting the Bistatic Constraints
- 5.6 Numerical Values of the Bistatic Constraints for Different Simulations
- 6 Checking the Validity of the Bistatic Point Target Reference Spectrum by Simulations
- 6.1 Checking the Validity for Single Point Target
- 6.2 Focusing Groups of Point Targets with the Bistatic Point Target Reference Spectrum
- 7 Extension to Focusing of Complete Scenes
- 7.1 Monostatic Focusing Approach
- 7.2 Monostatic Point Target Reference Spectrum
- 7.3 Spectrum of the Complete Scene
- 7.4 First Compression Transfer Function
- 7.5 Statement of the Nonlinear Frequency Scaling Problem
- 7.6 Scaled Spectrum
- 7.7 Inverse Scaled Fourier Transformation
- 7.8 Approximation of the Scaled Range Frequency Term
- 7.9 Compensation of the Initial Time Delay
- 7.10 Transformation into the Range Distance Domain
- 7.11 Representation of the Complete Processor
- 7.12 Inverse Scaling Approach - from Continuous to Discrete Implementation
- 7.13 Chirp Scaling Algorithm
- 8 Processing for different Bistatic SAR Configurations
- 8.1 Aim of the Bistatic Processing
- 8.2 Tandem Configuration
- 8.3 Translationally Invariant Configuration
- 8.4 Focusing for General Case
- 9 Processing Quality Measurements
- 9.1 Directions of the Azimuth and the Range Lines
- 9.2 The Range and the Azimuth Lines in our Bistatic Processing
- 9.3 SAR Image Quality Measurements Based on Simulations
- 10 2D-Inverse Scaled Fourier Transformation for Bistatic SAR
- 10.1 Focusing and Inverse Scaled Fourier Transformation
- 10.2 Complex Quadratic Forms and Chirps
- 10.3 Implementation and Results
- 11 Results and Summary
- Appendix
- References