Title :
Radar backscatter analysis using fractional Fourier transform
Author :
Jouny, Ismail I.
Author_Institution :
Electr. & Comput. Eng. Dept., Lafayette Coll., Easton, PA, USA
Abstract :
This paper focuses on analyzing radar backscatter returns using the fractional Fourier transform. This study is motivated by two factors: first, to examine the radar backscatter mechanism of standard small targets; and second, to extract pertinent scattering features that can be used in target recognition. Radar returns have been examined using time-frequency analysis techniques, particularly those targets with dispersive scattering behavior. The FrFT scattering analysis scheme is tested using real radar signatures of commercial aircraft recorded in the UHF range.
Keywords :
Fourier transforms; backscatter; dispersion (wave); feature extraction; object recognition; time-frequency analysis; FrFT feature extraction; commercial aircraft radar signatures; dispersive scattering targets; fractional Fourier transform; radar backscatter analysis; scattering features; small target backscatter; target recognition; time-frequency analysis; Airborne radar; Aircraft; Backscatter; Dispersion; Feature extraction; Fourier transforms; Radar scattering; Target recognition; Testing; Time frequency analysis;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2004. IEEE
Print_ISBN :
0-7803-8302-8
DOI :
10.1109/APS.2004.1330627