Introduction toRADAR POLARIMETRY

Marco LavalleGeoInformation Ph.D. Programme at European Space Agency

lavalle@disp.uniroma2.it

Course Material available at http://earth.esa.int/landtraining07/(courtesy Prof. E.Pottier)

24 Jan 2008

OUTLINE

1.Introduction

2.Wave Polarimetry

3.Scattering Polarimetry

4.Polarimetric Remote Sensing

5.Thesis Topics

INTRODUCTION

INTRODUCTIONWhat is Radar Polarimetry

INTRODUCTIONWhat is Radar Polarimetry

The information contained into backscattered wavesfrom a given target is highly related to:

geometrical structure

reflectivity

shape

orientation

geophysical properties

umidity

roughness

etc.

INTRODUCTIONPolarimetry and Remote Sensing (EO)

INTRODUCTIONPolarimetric Spaceborne SAR Sensors

RADARSAT-2CSA / MDA (CA)Dec 2007C-band

ALOS PALSARNASDA / JAROS (J)JuneJan 2006L-bandTERRA SAR

BMBF / DLR / ASTRIUMJune 2007X-bandL-band (Twin satellite)

WAVE POLARIMETRY

WAVE POLARIMETRY

WAVE POLARIMETRY

WAVE POLARIMETRYPolarization Ellipse

WAVE POLARIMETRYJones Vector

WAVE POLARIMETRYPolarimetric Descriptors

Complex Polarization Ratio

Complex Polarization Plane

Deschamps parameters

Poincaré Planisphere

Covariance Matrix

Stokes Vector

Poincaré Sphere

SCATTERING POLARIMETRY

SCATTERING POLARIMETRYSingle polarization

SCATTERING POLARIMETRYScattering matrix

SCATTERING POLARIMETRYScattering matrix

2

SCATTERING POLARIMETRYBackscattering matrix

SCATTERING POLARIMETRYPolarimetric dimension

SCATTERING POLARIMETRYElliptical Basis Transformation

SCATTERING POLARIMETRYPolarimetric signature

SCATTERING POLARIMETRYPolarimetric signature

SCATTERING POLARIMETRYSan Francisco Bay (AIRSAR) Polarimetric Information

SCATTERING POLARIMETRYSan Francisco Bay (AIRSAR) Polarimetric Information

SCATTERING POLARIMETRYPolarimetric Descriptors

SCATTERING POLARIMETRYTarget Vector

SCATTERING POLARIMETRYCoherency Matrix

SCATTERING POLARIMETRYTarget Generators

SCATTERING POLARIMETRYSan Francisco Bay (PAULI Basis)

SCATTERING POLARIMETRYSan Francisco Bay (Pauli Composition)

SCATTERING POLARIMETRYElliptical Basis Change on Coherence Matrix

SCATTERING POLARIMETRYElliptical Basis Change on Coherence Matrix

SCATTERING POLARIMETRYElliptical Basis Transformation

SCATTERING POLARIMETRYALOS PALSAR Sept 2007 - Traunstein Forest (Germany)

SCATTERING POLARIMETRYALOS PALSAR Jun 2007 - Etiopia

POLARIMETRIC REMOTE SENSING

POLARIMETRIC REMOTE SENSINGQuantitative analysis

POLARIMETRIC REMOTE SENSINGTarget Decomposition Theorems

POLARIMETRIC REMOTE SENSINGTarget Decomposition Theorems

POLARIMETRIC REMOTE SENSINGTarget Decomposition Theorems

POLARIMETRIC REMOTE SENSINGTarget Decomposition Theorems

POLARIMETRIC REMOTE SENSINGH/A/α decomposition

POLARIMETRIC REMOTE SENSINGH/A/α decomposition

POLARIMETRIC REMOTE SENSINGWishart Classification

POLARIMETRIC REMOTE SENSINGWishart Classification

POLARIMETRIC REMOTE SENSINGWishart Classification – ALOS PALSAR

POLARIMETRIC REMOTE SENSINGIce

POLARIMETRIC REMOTE SENSINGE-SAR L-band

POLARIMETRIC INTERFEROMETRIC REMOTE SENSING

POLARIMETRIC INTERFEROMETRIC REMOTE SENSING

POLARIMETRY atTOR VERGATA

POLARIMETRY at TVThesis topics

Electromagnetism (CEM1&2, Antenne, Propagazione)Modeling and Mathematics (Analisi, Geometria)Remote Sensing (TR1&2, MS)Signal Processing (TT, TTR, ENS)Random Variables and Parameters Estimation (TFA1&2)Informatics (C, Matlab, IDL, Linux OS)

“cutting edge” topics and applications!

RADAR Polarimetry merges knowledge from several university courses:

Internship at European Space Agency (ESA-ESRIN)+

+

MASTER DEGREE THESIS

POLARIMETRY at TVThesis topics

Topic #1: Exploitation of PALSAR Polarimetric Data

Topic #2: Polarimetric and Interferometric Target Modeling

Topic #3: PALSAR Polarimetric Calibration (Faraday Rotation Correction)

#1

#3

#2

CONTACTS: solimini@disp.uniroma2.itlavalle@disp.uniroma2.it

Thank you!

Conclusion

We have seen some basic elements of SAR Polarimetry.

Further information available at:http://earth.esa.int/landtraining07/http://earth.esa.int/polsarpro/

solimini@disp.uniroma2.itlavalle@disp.uniroma2.it

Thesis Contacts: