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Zheng, Qinghe; Zhao, Penghui; Li, Yang; Wang, Hongjun; Yang, Yang . (2020). Spectrum interference-based two-level data augmentation method in deep learning for automatic modulation classification. Neural Computing and Applications, (), –. doi:10.1007/s00521-020-05514-1 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research