Introduction To RADAR POLARIMETRY

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Introduction toRADAR POLARIMETRYMarco LavalleGeoInformation Ph.D. Programme at European Space Agencylavalle@disp.uniroma2.itCourse Material available at http://earth.esa.int/landtraining07/(courtesy Prof. E.Pottier)24 Jan 2008

OUTLINE1.Introduction2.Wave Polarimetry3.Scattering Polarimetry4.Polarimetric Remote Sensing5.Thesis Topics

INTRODUCTION

INTRODUCTIONWhat is Radar Polarimetry

INTRODUCTIONWhat is Radar PolarimetryThe information contained into backscattered wavesfrom a given target is highly related to:Æ geometrical structureÆ reflectivityÆ shapeÆ orientationÆ geophysical propertiesÆ umidityÆ roughnessÆ etc.

INTRODUCTIONPolarimetry and Remote Sensing (EO)

INTRODUCTIONPolarimetric Spaceborne SAR SensorsTERRA SARBMBF / DLR / ASTRIUMJune 2007X-bandL-band (Twin satellite)ALOS PALSARRADARSAT-2NASDA / JAROS (J)JuneJan 2006L-bandCSA / MDA (CA)Dec 2007C-band

WAVE POLARIMETRY

WAVE POLARIMETRY

WAVE POLARIMETRY

WAVE POLARIMETRYPolarization Ellipse

WAVE POLARIMETRYJones Vector

WAVE POLARIMETRYPolarimetric DescriptorsÆ Complex Polarization RatioÆ Complex Polarization PlaneÆ Stokes VectorÆ Poincaré SphereÆDeschamps parametersÆ Poincaré PlanisphereÆ Covariance Matrix

SCATTERING POLARIMETRY

SCATTERING POLARIMETRYSingle polarization

SCATTERING POLARIMETRYScattering matrix

SCATTERING POLARIMETRYScattering matrix2

SCATTERING POLARIMETRYBackscattering matrix

SCATTERING POLARIMETRYPolarimetric dimension

SCATTERING POLARIMETRYElliptical Basis Transformation

SCATTERING POLARIMETRYPolarimetric signature

SCATTERING POLARIMETRYPolarimetric signature

SCATTERING POLARIMETRYSan Francisco Bay (AIRSAR) Æ Polarimetric Information

SCATTERING POLARIMETRYSan Francisco Bay (AIRSAR) Æ 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 INTERFEROMETRICREMOTE SENSING

POLARIMETRIC INTERFEROMETRICREMOTE SENSING

POLARIMETRY atTOR VERGATA

POLARIMETRY at TVThesis topicsRADAR Polarimetry merges knowledge from severaluniversity courses:Æ Electromagnetism (CEM1&2, Antenne, Propagazione)Æ Modeling and Mathematics (Analisi, Geometria)Æ Remote Sensing (TR1&2, MS)Æ Signal Processing (TT, TTR, ENS)Æ Random Variables and Parameters Estimation (TFA1&2)Æ Informatics (C, Matlab, IDL, Linux OS) Internship at European Space Agency (ESA-ESRIN) “cutting edge” topics and applications!MASTER DEGREE THESIS

POLARIMETRY at TVThesis topicsTopic #1: Exploitation of PALSAR Polarimetric DataTopic #2: Polarimetric and Interferometric Target ModelingTopic #3: PALSAR Polarimetric Calibration (Faraday Rotation tlavalle@disp.uniroma2.it

ConclusionWe have seen some basic elements of SARPolarimetry.Further information available at:Æ http://earth.esa.int/landtraining07/Æ http://earth.esa.int/polsarpro/Thesis Contacts:Æ solimini@disp.uniroma2.itÆ lavalle@disp.uniroma2.itThank you!

4.Polarimetric Remote Sensing 5.Thesis Topics. INTRODUCTION. INTRODUCTION What is Radar Polarimetry. INTRODUCTION What is Radar Polarimetry The information contained into backscattered waves from a given target is highly related to: Ægeometrical structure Æreflecti

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