Polarimetry and Interferometry detailed syllabus for Geoinformatics Engineering (Geo) for 2021 regulation curriculum has been taken from the Anna Universities official website and presented for the Geo students. For course code, course name, number of credits for a course and other scheme related information, do visit full semester subjects post given below.
For Geoinformatics Engineering 5th Sem scheme and its subjects, do visit Geo 5th Sem 2021 regulation scheme. For Professional Elective-III scheme and its subjects refer to Geo Professional Elective-III syllabus scheme. The detailed syllabus of polarimetry and interferometry is as follows.
Course Objectives:
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Unit I
BASICS OF SAR POLARIMETRY Electromagnetic Waves – Plane Waves – Coherence – Polarization Ellipse – Polarization types: Circular, Elliptical and Linear Horizontal and Linear vertical polarization – Polarimetric Channels: single, dual Alternative (ASAR), polarized waves – quadrature or polarimetric waves – Polarimetric
representation :Stokes vector and degree of polarization, Scattering matrix – covariance and coherence matrices, stokes and muller matrics – polarimetry parameters : Total power, co-pol correlation coefficient, co-pol phase difference and coefficient of variation.
Unit II
PROCESSING OF SAR POLARIMETRY DATA Polarization Signature: single bounce, double bounce,multi-bounce scatterers and Bragg scatterer – Coherent polarimetric decomposition methods: Pauli,Krogager, Cameron decompositions and Touzi criterion – Incoherent polarimetric decomposition methods: Freeman,Huynen-Barnes,Eigen vector-Eigen value decomposition – Polarimetric classifications :Unsupervised H/A/a, Supervised Bayes maximum likelihood classifications-Overview of Data formats and software ( Both free and commercial) availability for SAR and polarimetric- Limitation of polarimetry for practical use and future technological and processing trends.
Unit III
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Unit IV
PROCESSING OF SAR DATA FOR INTERFEROMETRY Terrain altitude measurement using INSAR: Baseline estimation, interferogram generation, Orbital flattening, phase unwrapping: branch cuts, fringe detection and absolute phase determination, phase to height conversion, Geocoding of DEM – Differential INSAR: – Multipass geometry – Multiinterferogram techniques : PSINSAR ,SBAS and SqueeSAR – 2D-displacement estimation -precision assessment and validation: atmospheric contribution, phase noise sources: look angle and temporal decorrelation effect, volume scattering effect. Data availability, software availability, limitations and future trends.
Unit V
MISSIONS AND APPLICATIONS Missions:TerraSAR X,ERS 1and2,ENVISAT,RADARSAT,ALOS,RISAT,Sentinel 1 and GRACE satellite. Polarimetric Applications : Soil tillage,crop productivity – snow mapping-sea-ice structure and type- forest type mapping – Soil moisture mapping- Flood/Wetland mapping – Marine winds -oil slick detection – ship detection. Interferometric Applications Vegetation height estimation -Tectonic deformations : pre,co-and post-seismic deformations – Ground Subsidence: Oil and Ground water extraction, Mine subsidence – Landslide detection – Reclaimed Land monitoring -Glacier monitoring: regular ice stream movement and tidal flexing of glaciers -volcanic inflation and deflation.
Course Outcomes:
•On completion of the course, the student is expected to
- Understand the basic concepts of Polarimetry and Interferomtery
- Gain knowledge about polarimetric processing concepts
- Acquire the knowledge about the fundamentals of SAR Interferometry
- Learn about the grammetric concepts of Interferometric techniques
- Familiarize about the applicability of SAR Polarimetry and Interferometry
Text Books:
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Reference Books:
- Alessandro Ferretti,”Satellite InSAR data: Reservoir monitoring from Space”, EAGE Publications, 2014.
- Alessandro Ferretti, Andrea Monti-Guarnieri,Claudio Prati,Fabio Rocca, “INSAR principles: Guidelines for SAR Interferometry processing and interpretation”,ESA Publicaions,2007.
- Woodhouse lain. H, “Introduction to Microwave Remote Sensing” Taylor & Francis, 1st edition, 2006.
- V. B. H. (Gini) Ketelaar,”Satellite Radar Interferometry- Subsidence Monitoring Techniques, Sprringer,2009.
- Jong-sen Lee,Eric Pottier,” Polarimetric Radar Imaging :From Basics to Applications, Taylor & Francis Inc,2009.
- Hanssen,”Radar Interferometry: Data Interpretation and Error Analysis: 2 (Remote Sensing and Digital Image Processing), Springer; 2001
For detailed syllabus of all the other subjects of Geoinformatics Engineering 5th Sem, visit Geo 5th Sem subject syllabuses for 2021 regulation.
For all Geoinformatics Engineering results, visit Anna University Geo all semester results direct link.