Addressing the difficulty of obtaining precise parameters for highly moving targets and the issue of signal energy loss in the Clean algorithm based on the SPSF(Sinc Point Spread Func-tion)algorithm,a long-time interpulse accumulation algorithm based on the improved SPSF algo-rithm,namely the KTR-ISPSF algorithm,is proposed.The KTR algorithm is used to obtain coarse parameters of moving targets,and then it constructs a moving target matching model,sets a search interval,and performs precise parameter search for strong targets within this interval.Based on the search results,it constructs matching pairs to cancel strong targets and achieve coher-ent accumulation of interpulse energy from weak scattering targets.Finally,the effectiveness of the algorithm is verified through simulation.
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