1. RADAR AND SYNTHETIC APERTURE RADAR SYSTEM JITENDER KUMAR 07-ECE-236

5. PRINCIPLES OF RADAR IMAGING SYNTHETIC APERTURE RADAR BOTH RANGE AND AZIMUTH RESOLUTIONS ARE INDEPENDENT OF DISTANCE TO TARGET! f d +f DM -f DM time TARGET L  v

8. PRINCIPLES OF RADAR IMAGING CLASSICAL SAR PROCESSING GEOMETRY insert sphere

9. PRINCIPLES OF IMAGING RADAR SAR IMAGE PROJECTION a c d f g i b e b’ a’ c’ d’ e’ g’ h’ i’ f’ RADAR IMAGE PLANE

10. TYPES OF IMAGING RADARS Spatial Information Imaging Radar Spatial Information Imaging Radar Spatial Information Imaging Radar Elevation Information Interferometer Spectral Information Spectrometers Structural Information Polarimeter Imaging Radar Spectrometer Imaging Radar Interferometer Imaging Radar Spectrometer Imaging Radar Polarimeter Imaging Radar Polarimeter Imaging Radar Interferometer Multi-frequency Polarimeter Multi-frequency Interferometer Multi-frequency Imaging Radar Multi-frequency Imaging Polarimeter Imaging Polarimetric Interferometer Multi-frequency Imaging Interferometer Multi-frequency Imaging Polarimetric Interferometer

12. POLARIMETER IMPLEMENTATION TIMING Transmission: Horizontal Vertical Reception: Horizontal Vertical HH HH HH HV HV VH VV VH VV VH Transmitter Receiver Receiver BLOCK DIAGRAM Horizontal Vertical

14. RADAR INTERFEROMETRY HOW IS IT DONE? SIMULTANEOUS BASELINE Two radars acquire data at the same time REPEAT TRACK Two radars acquire data from different vantage points at different times B B

15. RADAR INTERFEROMETRY COMPARISON OF TECHNIQUES

16. INTERFEROMETRIC SAR PROCESSING GEOMETRY insert sphere

17. DIFFERENTIAL INTERFEROMETRY HOW DOES IT WORK? B 2 B 1    