Abstract:Aimed at the distributed SAR satellite system consisting of more than three satellites, SM-PSO algorithm-based configuration optimal design is proposed in this paper. The mean orbital elements differences of among satellites are given and the normal configuration design flow of distributed SAR satellite system is presented. In order to realize exactly and fleetly system configuration design faced to mission requirements, the SM-PSO algorithm-based configuration optimal design method is developed. The configuration optimal design is completed in terms of configuration stability, limited by effective baseline range, working time and ground coverage area. It is indicated that the system configuration initial parameters from this method can meet with ground converge and relative steady effective baseline requirements.