Title :
Imaging for Inverse Synthetic Aperture Radar with Linear Frequency Modulation continuous wave signal
Author :
Fulin Su ; Hongxin Yang ; Jianjun Gao
Author_Institution :
Sch. of Electron. & Inf. Eng., Harbin Inst. of Technol., Harbin, China
Abstract :
In the past decades, the imaging method for ISAR (Inverse Synthetic Aperture Radar) with LFM (Linear Frequency Modulation) pulsed signal has been studied extensively. Now, owing to the requirement of low-cost, low weight and low powered, linear frequency modulation continuous wave (LFMCW) signal is used in ISAR. But the imaging algorithm for LFMCW ISAR is still the Range-Doppler algorithm (RDA) which is very effective for pulsed ISAR. Simulations showed that applying RDA to LFMCW ISAR will let to some distortion. In order to correct this distortion, a novel imaging method-azimuth interpolation RDA (AIRDA) - is presented.
Keywords :
CW radar; Doppler radar; FM radar; interpolation; radar imaging; synthetic aperture radar; AIRDA; ISAR imaging; LFM pulsed signal; LFMCW; RDA; azimuth interpolation RDA; inverse synthetic aperture radar imaging; linear frequency modulation continuous wave signal; range-Doppler algorithm; Algorithm design and analysis; Azimuth; Imaging; Interpolation; Radar imaging; Signal processing algorithms; Imaging Algorithm; Inverse synthetic aperture radar (ISAR); LFMCW; Range Doppler Algorithm;
Conference_Titel :
Image and Signal Processing (CISP), 2012 5th International Congress on
Conference_Location :
Chongqing
Print_ISBN :
978-1-4673-0965-3
DOI :
10.1109/CISP.2012.6470000
