The received signals of the passive sensor include noise and radio waves from multiple sources of transmission. Therefore, when dissociating the radio waves of the desired source from these received signals, the signal processing for dissociating these radio waves is required. However, some radio waves change its frequency discontinuously, and these waves can't be dissociated based on the similarity of frequency as conventionally used. In this paper, the dissociating algorithm based on the continuity of the radio wave radiation is proposed. This algorithm applies the multiple hypothesis tracking which is used by dissociating the radar pulse trains. After explaining the algorithm, we show the effectiveness of the proposed method using a computer simulation.
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