[7] LIU Y JXIAO PWU H Cet al.LPI radar signal detection based on radial integration of Choi-Williams time-frequency image［J］.Journal of Systems Engineering and Electronics201526(5):973-981.

[8] KRIZHEVSKY ASUTSKEVER IHINTON G E.ImageNet classification with deep convolutional neural networks［J］.Communications of the ACM201760(6):89-90.

[10] GLOROT XBORDES ABENGIO Y.Deep sparse rectifier neural networks［C］//International Conference on Artificial Intelligence & Statistics2012:315-323.