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ppt and report for Synthetic Aperture Radar system...asap. ....etc

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Introduction

When a disaster occurs it is very important to grasp the situation as soon as possible. But it is very difficult to get the information from the ground because there are a lot of things which prevent us from getting such important data such as clouds and volcanic eruptions. While using an optical sensor, large amount of data is shut out by such barriers. In such cases, Synthetic Aperture Radar or SAR is a very useful means to collect data even if the observation area is covered with obstacles or an observation is made at night ....etc

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ABSTRACT
Synthetic Aperture Radar or SAR is an imaging radar system
that sends a microwave pulse to the surface of the earth and register
the reflections from the earth's surface . On -board processing and
compression of data obtained from the SAR is vital for image formation
.The development of enabling technologies for space-borne SAR
instruments have been a major focus of research and development during
the last few years . At present the SAR systems provides only images
and in future it will have t ....etc

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Synthetic Aperture Radar or SAR is an imaging radar system that sends a microwave pulse to the surface of the earth and register the reflections from the earth's surface . On -board processing and compression of data obtained from the SAR is vital for image formation .The development of enabling technologies for space-borne SAR instruments have been a major focus of research and development during the last few years . At present the SAR systems provides only images and in future it will have to deliver dedicated information to each s ....etc

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Presented by:
Dr. Jakob van Zyl


RADAR AND SYNTHETIC APERTURE RADAR BASICS
PRINCIPLES OF RADAR
HOW DOES RADAR WORK?
• RADAR = Radio Detection And Ranging
• Since radar pulses propagate at the speed of light, the difference to the “target” is proportional to the time it takes between the transmit event and reception of the radar echo
PRINCIPLES OF IMAGING RADAR
REAL APERTURE RADAR
• PRINCIPLES OF IMAGING RADAR
THE RADAR EQUATION
• The SNR is derived from the radar equation:

where
Peak ....etc

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Introduction to Synthetic Aperture Radar


GENERAL FACTS ABOUT SAR
Today, synthetic aperture radar (SAR) plays an important role in military ground surveillance and earth
observation. Since the late eighties a couple of SAR-systems have been developed for both space and
airborne operation. The underlying radar principle offers advantages compared to competing sensors in
infrared or visible spectral area.

Introduction to Synthetic Aperture Radar (SAR)[/ ....etc

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Image formation for Synthetic Aperture Radar using MATLAB


EXECUTIVE SUMMARY
The main aim of this project will be to analyse the code in MATLAB to extract images from the data downloaded of a SAR (Synthetic Aperture Radar) satellite (ERS-2). These satellites by sending a chirp to the earth and acquiring the reflection of the ground surface, obtain some data. This data must be treated correctly though to acquire the images of the surface we want to define. To o ....etc

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