ion of the CPR encoding and decoding algorithms,andРfind the relationship between the message and report contents. Then we build the report generation way and do the simulation in matlab.РThird, plete the simulation for the Kalman filtering method, which is also the way proposed by the RTCA. However, we find that the filtering method is not so good and it needs to be improved. Then according the research of the Multi-model method, we find that it can offer a better result for track filtering. We also proposed the IMM method, which set the CV model and the uniform-structure model as the sub-model and design the adapting probability matrix. At last, we do the experiments in Matlab and get an ideal result.РKey words: ADS-B; report generation; Kalman filter; Multi-model method; Adaption filter
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