digital signal processing of synthetic aperture radar data algorithms and implementation pdf

Digital signal processing of synthetic aperture radar data algorithms and implementation pdf

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Digital processing of synthetic aperture radar data : algorithms and implementation

Advanced Techniques for Radar Signal Processing

Digital Processing of Synthetic Aperture Radar Data: Algorithms and Implementation

Synthetic aperture radar SAR imaging is the most computational intensive algorithm and this makes its implementation challenging for real-time application. Fast Fourier transform FFT and multiplication operations with complex data types are the major units requiring heavy computation. The heuristic analysis of the algorithm using timing analysis and resource usage is presented.

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Digital processing of synthetic aperture radar data : algorithms and implementation

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Cumming and F. Cumming , F. Wong Published Computer Science. Signal Processing Fundamentals.

This special issue arises from the spread of low-cost radar sensors and processing units which offer an extended range of applications. However, such technology is also available for inappropriate actions as terrorist attacks. Authors: D. Orlando, C. Hao, A.

Advanced Techniques for Radar Signal Processing

In the signal processing software testing for synthetic aperture radar SAR , the verification for algorithms is professional and has a very high proportion. However, existing methods can only perform a degree of validation for algorithms, exerting an adverse effect on the effectiveness of the software testing. This paper proposes a procedure-based approach for algorithm validation. Firstly, it describes the processing procedures of polar format algorithm PFA under the motion-error circumstance, based on which it analyzes the possible questions that may exist in the actual situation. By data simulation, the SAR echoes are generated flexibly and efficiently.

Skip to Main Content. A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity. Use of this web site signifies your agreement to the terms and conditions. SAR image processing algorithms based on the ambiguity function Abstract: This work focuses on hardware implementations of the ambiguity function defined in terms of signal operators for synthetic aperture radar SAR sensor image formation applications. Due to the large quantity of data associated with SAR imaging, basic SAR operations demand high computational cost and are difficult to readily implement on existing commercial digital signal processing DSP units. In order to contribute to resolve this problem a search for new efficient algorithm variants in under way compute operations such as discrete Fourier transforms, discrete convolutions, discrete correlations, and Hadamard products of complex signals.

Synthetic-aperture radar SAR is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as landscapes. SAR is typically mounted on a moving platform, such as an aircraft or spacecraft, and has its origins in an advanced form of side looking airborne radar SLAR. The distance the SAR device travels over a target in the time taken for the radar pulses to return to the antenna creates the large synthetic antenna aperture the size of the antenna. Typically, the larger the aperture, the higher the image resolution will be, regardless of whether the aperture is physical a large antenna or synthetic a moving antenna — this allows SAR to create high-resolution images with comparatively small physical antennas. Additionally, SAR has the property of having larger apertures for more distant objects, allowing consistent spatial resolution over a range of viewing distances.

Digital Processing of Synthetic Aperture Radar Data: Algorithms and Implementation

This book is not available from inventory but can be printed at your request and delivered within weeks of receipt of order. This cutting-edge resource offers you complete how-to guidance on digital processing of synthetic aperture radar SAR data. You discover how SAR is used to obtain a high-resolution image from a satellite and learn the mathematical structure and spectral properties of the signal received from a SAR system.

However much of the Lung cancer Detection in matlab Recently, image processing techniques are widely used in several medical areas for image improvement in earlier detection and treatment stages, where the time factor is very important to discover the abnormality issues in target images, especially in various cancer tumours such as lung cancer, breast cancer, etc. Image quality and accuracy is the core factors of

Digital Processing of Synthetic Aperture Radar Data: Algorithms and Implementation

 Спасибо за подсказку, - сказал Стратмор.  - У ТРАНСТЕКСТА есть автоматический выключатель.

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