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ELA-025
Electromagnetic detection - 2022

Synthetic aperture radar imaging

Application to remote sensing

OBJECTIVE :

Synthetic Aperture Radar (SAR), whether airborne or space-borne, can be used to image the ground in any weather, day or night, giving it an obvious operational aspect.

This course will enable learners to understand the principle of SAR, the dimensioning choices, the properties of the images and the specific processes.

COURSE DURATION AND TIMETABLE :

The course lasts 5 days (34 hours) and includes a core curriculum with 2 options

Core Curriculum

8 half-days (including exercises)

Options

2 half-days of in-depth study in the form of tutorials (in 2 separate groups), focusing on:

Option 1:

radar instrumentation (technologies, antenna, subsystems, etc.)

Option 2:

exploitation of images (interpretation, filtering, processing, illustrations)

Learners indicate their choice of the two options during registration.

GENERAL APPROACH :

The course addresses all issues related to the design and use of synthetic aperture radar.

The properties and specificities of radar imagery, sometimes confusing at first glance, are also explored: principles, system sizing, radiometry, geometry, resolution, special modes... as well as the most recent techniques, such as interferometry, polarimetry, multi-date processing, etc.

PREREQUISITE :

Course level: Advanced

This course is intended for engineers or technicians with basic knowledge of signal processing and/or radar and wishing to increase their knowledge of radar synthetic aperture imagers.

Those seeking preliminary radar training can refer to courses ELA 001 or ELA 006.

COURSE DIRECTOR(S) :

Thierry KOLECK:

Expert Radar processing at CNES

 

CONTENT :

CORE CURRICULUM

  • Physical basics and environment
    • Effects of the atmosphere on propagation
    • Ground backscattering, dielectric properties
    • The speckle, nature and origin
  • Principle of synthetic aperture radar
    • Side view, mechanism of synthetic aperture
    • Pulse compression
    • Processing (spatial and airborne)
    • Resolution concept (azimuth and distance)
    • Special Modes: ScanSAR and SpotLight
  • Radiometric and geometric properties
    • Image Quality: defining IQ parameters
    • Radiometric precisions: instrumental noise, speckle, calibration, ambiguities, Nes0, etc.
    • Geometrical precision: Doppler, distortion, localization
  • Image combination
    • Interferometry: principle, limitations - Applications to the measurement of movements and to the determination of relief - Product of coherence
    • Polarimetry: theory, polarization synthesis, visualization, illustrations
    • Multi-date processing
  • Programmatic context
    • Space and airborne radar programs, past and future
    • Dimensioning constraints (regulation, technology, mission)

 

TUTORIALS IN SMALL GROUPS

Option 1 - Instrumentation

  • Tutorials
    • Specific sizing of SAR
    • Subsystems - Antenna - Active modules (MMIC)

Option 2 - Image

  • Tutorials, illustrations, applications
    • Familiarization with radar geometry
    • Manipulation and interpretation (reading) of images
    • Post-processing, filtering, measurements, etc.

WHEN AND WHERE :

Scheduled in French:

TOULOUSE: 5 to 9 December 2022

 

For the English realization, please, consult us.

COURSE FEES :

€2,500 excluding tax (20% VAT)

See general terms

 

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