Mathematics
The module “Mathematics” comprises the mathematical background required for the course material of SAR-EDU. To this end, basic matrix operations are introduced, followed by a…
Resource Spectrum: Radar
Time & Frequency
The module “Time and Frequency” includes a summary of different types of Fourier transforms which enable to analyze different types of signals (continuous/discrete, periodic/non-periodic). Different…
Filter & Aliasing
The module “Filter Design & Aliasing” is intended to provide the basic understanding of the design and use of filters in time/space and frequency domain.…
Radar physics
The module “Physics” provides a brief introduction to the physical background related to SAR imaging. First, the distribution of signal wavelengths along the electromagnetic spectrum…
Estimation Theory
The module “Introduction to Estimation Theory” provides basic definitions in estimation theory. Moreover, demonstrative examples are given in the context of remote sensing, e.g. ship…
Detection
The module “Detection” introduces the Bayesian decision rule which enables to test a hypothesis with the result “true” or “false”. In this regard, different types…
Parameter Estimation
The module “Parameter Estimation Basics” offers different strategies for estimating an unknown parameter based on given observations. Besides the estimated value, the quantization of the…
Optimal Linear Estimation
The module “Optimal Linear Estimation” extends the idea of parameter estimation to multiple dimensions. In this context, different ways integrating prior knowledge are introduced, including…
Introduction to SARscape
In this tutorial you can learn how to get started with SARscape, beginning with a brief description and order instructions. You will learn how to…
Introduction to GAMMA
In this tutorial you can learn how to get started with GAMMA, beginning with a brief description and order instructions. You will learn how to…
Introduction to SNAP
In this tutorial you can learn how to get started with SNAP, beginning with a brief description and download instructions. You will learn how to…
Classification
The overall objective of the categorization of all pixels in a (SAR) image into semantically meaningful classes is one of the most conducted processing steps…
Change Detection
Change is a direct consequence of the physical composition of the Earth. The continous course of interconnected cycles causes alterations of the land surface. This…
Data fusion
The concept of data fusion describes the combination of two or more images by means of a certain algorithm. This is done to achieve synergetic…
Object based image analysis
The complete partioning of a remote sensing scene into non-overlapping regions/segments/objects is a strongly developing concept in the field of image interpretation. The lesson on…
Speckle filtering
Speckle is a common phenomenon in SAR data, which has its origin in the radar image acquisition principles. In almost all applications in geosciences speckle…
Texture
Image texture is an important feature in image interpretation in optical as well as radar remote sensing. This lesson gives insights into the concept of…
DEM generation with Python
SAR interferometry is widely used for the generation of digital elevation models (DEM). The topographic information is derived by exploiting the phase differences of the…
DEM generation with MATLAB
SAR interferometry is widely used for the generation of digital elevation models (DEM). The topographic information is derived by exploiting the phase differences of coherent…
Polarimetry
The lesson “PolSAR” deals with the nature of electromagnetic waves and polarization as basic features to describe and analyze objects on the Earth’s surface. Basics…
Radargrammertry
The term “Radargrammetry” describes a group of methods and techniques that analyzes Radar images under consideration of differing viewing angles. Thereby, the benefits of stereoscopic…
Subsidence monitoring (NEST)
In this tutorial you learn how to monitor the behavior of the Earth’s surface due to underground hard coal mining activities with SAR data. The…
SAR Imaging
This is a very important Lesson on the way to understand how a Radar image is detected and how a Radar works! The module “SAR…
Image focusing with Python
Raw Synthetic Aperture Radar (SAR) data in its uncompressed form has to be focused in order to be used for further processing steps, e.g. the…