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Fingerprint recognition of communication signals includes three processes: preprocessing, feature extraction and classification. This paper mainly studies on the same model, the recognition method of the same batch of individual stations, including signal characteristics extraction for communication signals. The fine characteristics of the individual, this kind of method can be used in individual identification source of cooperation target. To identify the transient characteristics of the different kinds of radio communication in 25dB environment under the condition of signal-to-noise ratio.

Analysis of the algorithm of the dual spectrum feature extraction of communication radio station