Università degli Studi di Napoli "Parthenope"

Teaching schedule

Academic year: 
2019/2020
Belonging course: 
Course of Master's Degree Programme on DATA AND COMMUNICATION SECURITY ENGINEERING
Location: 
Napoli
Disciplinary sector: 
ELECTROMAGNETIC FIELDS (ING-INF/02)
Language: 
Italian
Credits: 
9
Year of study: 
2
Teachers: 
Cycle: 
First Semester
Hours of front activity: 
72

Language

Italian; supplementary material in English

Course description

This is a course that belongs to the field of applied electromagnetics (ING-INF/02 – Electromagnetic fields). The course aims at providing advanced knowledge of microwave remote sensing for Earth Observation purposes. The course has a twofold objective: on one side, theoretical aspects that lie at the basis of microwave remote sensing are critically discussed and reviewed; on the other side, practical applications will be presented and discussed.

Knowledge and understanding:
The student is expected to achieve an advanced knowledge of key mechanisms that govern scattering and emission phenomena and the they technical/technological solutions that characterize microwave remote sensing tools. In addition, the student is expected to understand the key peculiarities that arise when applying remote sensing tool to actual real-world problems.

Applying knowledge and understanding:
The student is expected to achieve an advanced knowledge of microwave remote sensing tools and techniques to be applied foe earth observation purposes and to estimate geophysical parameters of interest.

Judgement skills:
The student is expected to identify the challenges that characterize microwave remote sensing for Earth Observation purposes and the estimation of geophysical parameters related to some selected showcases.

Communication skills:
The student is expected to explain the electromagnetic rationale that lies at the basis of microwave remote sensing for earth observation purposes and the technical/technological solutions that are implemented in state-of-the-art microwave tools.

Learning skills:
The student is expected to achieve a self-understanding stage to update his knowledge using different sources, e.g. books and scientific papers, and to achieve a deeper knowledge of the field, being able to follow master courses within the ICT field.

Prerequisites

Although there are no formal prerequisites, the basic knowledge of electromagnetic fields and propagation is recommended:
•Maxwell’s equation and plane wave solution
•Poynting vactor
•Polarisation
•Reflection, refraction and scattering

Syllabus

The course consists of 72h of traditional lectures.

1. Introduction (~6h):
o Physical basics.
o Electromagnetic spectrum.
o Active and passive sensors.
o Resolutions.
2. Microwave Radiometry (~10h):
o The satellite missions.
o The Planck’s, Wien’s and Rayleigh-Jeans’ laws.
o Power-temperature correspondence.
o Grey body emission, Brigthness temperature.
o Real body Brigthness temperature.
o Apparent Temperature, Antenna Temperature.
o Radiometric measurement model.
o Radiative transfer theory: extinction, emission; differential equation and its formal solution.
o Realist case study without volumetric scattering.
o Volumetric scattering.
o Rain case.
3. Polarimetry (~10h):
o Wave Polarimetry.
o Jones and Stokes vectors.
o Partially polarized waves.
o DoP and Hw.
o Poincarè sphere.
o W matrix.
o Wave dichotomy.
o Scattering polarimetry: S, M, K, T and C.
o The Cloude-Pottier decomposition theorem.
o H, A and alpha parameters.
4. Electromagnetic models (~10h):
o Natural surfaces.
o Radar Equation.
o Fading.
o The NRCS.
o NRCS vs roughness and dielectric constant.
o Coherent and incoherent scattering.
o Bragg scattering.
o Sea surface spectrum.
o Maxwell-Garnett formula.
o Scattering integral.
o SPM and Kirchhoff approximations.
o The two-scale model.
5. Linear inverse problem (~6h):
o Conditioning number.
o Penrose pseudo-inverse.
o Well-posed problem according Hadamard.
o Regularization.
o TSVD.
o Resolution enhancement for scanning microwave radiometers.
6. Remote sensing radars (~4h):
o Key facts.
o Cosine and linear chirp pulses.
o Doppler effect.
o Geometric distortion.
o The Real Aperture Radar (RAR).
o Atmospheric influence.
7. Scatterometer (~10h):
o The satellite missions.
o Fan-beam and pencil-beam scatterometers.
o Physical principle for estimating the sea surface wind field.
o Spatial resolution effect.
o CMOD model.
o The GMF to estimate the wind field.
o Cramer-Rao estimation bounds.
o On the inversion.
8. SAR (~10h):
o The satellite missions.
o Iso-Doppler, iso-range curves.
o Azimuth and range resolutions.
o SAR raw signal processing (stripmap, range-Doppler approximation).
o Speckle.
o Atmosphere influence.
o SAR interferometry: different modes and goals.
9. Radar altimeter (~6h):
o The satellite missions.
o Physical principles.
o The electromagnetic and the Brown models.
o Role of the atmosphere: troposphere and ionosphere.
o Dual-frequency radar altimeters.
o Applications.

The course consists of 72h of traditional lectures.

1. Introduction
2. Microwave Radiometry
3. Polarimetry
4. Electromagnetic models
5. Linear inverse problem
6. Remote sensing radars
7. Scatterometer
8. SAR
9. Radar Altimeter

Teaching Methods

Traditional lecture, practice.

Textbooks

•Teacher’s notes available on the course website (www.edi.uniparthenope.it)
•Books
oF.T. Ulaby and D. Long “Microwave Radar and Radiometric Remote Sensing”. Ed. Artech House, 2015. Pages: 1116, ISBN: 9780472119356.

Learning assessment

The examination aims at verifying the previously stated educational targets. The examination consists of:
•Oral exam that aims at evaluating the student’s ability to link and analyze the topics studied during the course; the minimal score to pass the test is 18/30;

More information

Teacher’s notes available on the course website (www.edi.uniparthenope.it)
Office hours:
-Wednesdays 14-15
-Fridays 13-15
However, I have an open door policy allowing students to come and ask questions anytime.