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Technical Program

Paper Detail

Paper:	SPTM-L8.1
Session:	Time-Frequency Distributions and Radar
Time:	Friday, May 19, 10:00 - 10:20
Presentation:	Lecture
Topic:	Signal Processing Theory and Methods: Non-stationary Signals and Time-Frequency Analysis
Title:	HIGH RESOLUTION – HIGH FOCUSED SQUINT-MODE RADAR IMAGING USING THE FRACTIONAL CHIRP SCALING ALGORITHM
Authors:	Ahmed Amein, John Soraghan, University of Strathclyde, United Kingdom
Abstract:	The fractional Fourier transform (FrFT), which is a generalized form of the well-known Fourier transform, has only recently started to appear in the field of signal processing. This has opened up the possibility of a new range of potentially promising and useful applications. In this paper we apply the new FrFT-based Chirp Scaling Algorithm (CSA) to a high resolution-high focused Synthetic Aperture Radar (SAR) imaging and compare its performance with the classical CSA based on the Fast Fourier Transform (FFT). Simulation results show that the FrFT-based CSA can offer significantly enhanced features compared to the classical FFT-based approach.