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Proceedings ArticleDOI

Modulation Classification of VHF Communication System based on CNN and Cyclic Spectrum Graphs

TLDR
A modulation classification method for very high frequency (VHF) signals, which is based on deep convolutional neural network (CNN) and cyclic spectrum graphs is proposed, which has high modulation classification accuracy and less computation burden in low SNR.
Abstract
Modulation classification is the technological basis of adaptive interference mitigation in communication system. This paper proposes a modulation classification method for very high frequency (VHF) signals, which is based on deep convolutional neural network (CNN) and cyclic spectrum graphs. First, the cyclic spectrum of VHF signals is analyzed. Then, a deep learning method based on CNN is proposed, down-sampling and clipping technologies are used for preprocessing cyclic spectrum images, parameters of the proposed neural network are optimized, and finally the modulation classification is realized. The experimental results show that, the proposed method has high modulation classification accuracy and less computation burden in low SNR.

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Citations
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Proceedings ArticleDOI

An Intelligent Maritime Communication Signal Recognition Algorithm based on ACWGAN

TL;DR: This paper studies and analyzes the individual identification technology of the VHF signal based on the rf fingerprint technology of signal and uses the improved adversarial generation network ACWGAN (Auxiliary Classifier Wasserstein Generative Adversarial Networks) to train and identify to obtain a better classification result.
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TL;DR: This paper develops several methods to represent modulated signals in data formats with gridlike topologies for the CNN and demonstrates the significant performance advantage and application feasibility of the DL-based approach for modulation classification.
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