[1] [1] PERRIN A,SOUQUES M.Electromagnetic fields,envi-ronment and health［M］.Paris:Springer,2012.

[2] [2] VISNEVSKI N.Syntactic modeling of multi-function radars［D］.Hamilton:McMaster University,2005.

[5] [5] VISNEVSKI N,KRISHNAMURTHY V,WANG A,et al.Syntactic modeling and signal processing of multifunction radars:a stochastic context-free grammar approach［J］.Proceedings of the IEEE,2007,95(5):1000-1025.

[6] [6] LI Y J,ZHU M T,MA Y H,et al.Work modes recognition and boundary identification of MFR pulse sequences with a hierarchical seq2seq LSTM［J］.IET Radar,Sonar and Navigation,2020,14(9):1343-1353.

[7] [7] CHI K,SHEN J H,LI Y,et al.Multi-function radar signal sorting based on complex network［J］.IEEE Signal Processing Letters,2020,28:91-95.

[10] [10] WANG A,KRISHNAMURTHY V.Signal interpretation of multifunction radars:modeling and statistical signal processing with stochastic context free grammar［J］.IEEE Transactions on Signal Processing,2008,56(3):1106-1119.

[11] [11] AYAZGOK S,ERDEM C,OZTURK M T,et al.Automa-tic antenna scan type classification for next-generation electronic warfare receivers［J］.IET Radar,Sonar and Navigation,2018,12(4):466-474.