A shift-and-convolution technique for high-resolution radar images

Theoretical and experimental results of a new method able to obtain images with high-resolution radars (HRRs) are presented in this paper. This algorithm does not need the data-phase information of the signal reflected by targets; it only uses the extracted noncoherent data. The proposed procedure works on real time, and it is compatible with the scanning and tracking radar functions. The technique consists of a modification and adaptation of algorithms used for the synchronization of the actual digital communication systems. Experimental results have been obtained with ARIES radar, a surface marine and coast surveillance HHR developed by INDRA SISTEMAS S.A. in collaboration with the Technical University of Madrid. The Spanish Ministry of Defence founded this research.