Supported by the National Natural Science Foundation of China(61071165);the Aeronautical Science Foundation of China(20080152004);the Ph.D.Programs Foundation of Ministry of Education of China(20070280531);the Program for New Century Excellent Talents in University(NCET-09-0069)~~
A fast implementation of the convolution backprojection(CBP)algorithm in spotlight synthetic aperture radar(SAR)is presented based on the fast Fourier transform(FFT).Traditionally,the computation of the 'backpr...