Recognition of the Analog Modulation Modes

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Abstract:

In order to recognize the mode of analog modulation with low SNR, a recognition procedure is proposed. In this procedure, the high-order feature is used as characteristic parameter for recognition. Firstly, the characteristic parameter needs to be extracted from the signal to be recognized. Secondly, the threshold values of four modulation modes need to be calculated. At last, the characteristic parameter extracted will be compared with the four threshold values, respectively. The method and order of comparison is based on decision tree classifier. By comparison, the mode of analog modulation with low SNR can be recognized accurately.

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773-777

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July 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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