Range sidelobe reduction in the portable battlefield surveillance radar

In this paper, a system analysis of needs and possible application of DIRLS mismatched filter in portable surveillance radar PR-15 is presented. Transmitting pulses are binary phase intra-pulse modulated. Because of limited peak power, the usage of longer radar pulses is necessary in long distance mode of operation. Applied binary M sequences have insufficient good autocorrelation properties so a method of side-lobs suppression became needed. We designed and verified the signal processing unit for this kind of compressors on a digital radar signal synthesis and processing platform based on DDS and FPGA technology.