Signal modulation identification method and system combining deep neural network and expert prior characteristics
A technology of deep neural network and signal modulation, which is applied in the field of signal modulation recognition method and system combining deep neural network and expert prior features, can solve problems such as poor performance, reduce noise influence, improve application prospects, and improve signal The effect of recognition accuracy
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[0031] In order to make the purpose, technical solution and advantages of the present invention more clear and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and technical solutions.
[0032] An embodiment of the present invention provides a signal modulation recognition method combining deep neural network and expert prior features, see figure 1 As shown, it contains the following content:
[0033] S101. Construct a signal modulation recognition network model and perform model training using signal sample data of known signal modulation categories, wherein the signal modulation recognition network model includes: a first-level neural network for performing inter-class classification according to different characteristic parameters, and It is connected with the first-level neural network and is used for the second-level neural network for intra-class classification by extracting the internal signal ...
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