Title :
Time-frequency based radar image formation
Author_Institution :
Radar Div., Naval Res. Lab., Washington, DC, USA
Abstract :
This paper briefly describes the background of synthetic aperture radar imaging and the time-varying behavior of Doppler frequency shifts in radar signals, discusses the conventional Fourier-based image formation and its problems, and introduces the time-frequency based image formation algorithm and its mathematical model, implementation and applications.
Keywords :
Doppler radar; Fourier transforms; radar imaging; radar theory; synthetic aperture radar; time-frequency analysis; time-varying systems; Doppler frequency shifts; Fourier-based image formation; radar image formation; synthetic aperture radar imaging; time-frequency based image formation; time-varying radar signals; Doppler radar; Fourier transforms; Motion compensation; Radar antennas; Radar imaging; Radar tracking; Signal resolution; Synthetic aperture radar; Target tracking; Time frequency analysis;
Conference_Titel :
Image Processing, 2004. ICIP '04. 2004 International Conference on
Print_ISBN :
0-7803-8554-3
DOI :
10.1109/ICIP.2004.1418674