[1] [1] YUE L N,YANG X P.Multi-base polarization radar main-lobe interference suppression algorithm［J］.Journal of Signal Processing,2017,33(12):1571-1577.

[7] [7] MENG H Y,Q U X D,ZHANG X Y,et al.Mainlobe interference suppression method based on blocking matrix preprocessing with low sidelobe constraint［C］//2022 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC).Chiang Mai:IEEE,2022:2065-2070.

[8] [8] LIAO Y P,WU X,WANG Y.The main lobe interference suppression algorithm for wideband interference［C］//2018 14th IEEE International Conference on Signal Processing (ICSP).Beijing:IEEE,2018:148-152.

[9] [9] MENG H Y,YANG X P,GAO S,et al.Main lobe interference suppression method based on eigenvalue oblique projection［J］.Journal of Signal Processing,2022,38(2):439-444.

[10] [10] ZHANG Y X,CHEN X F,XU H W,et al.Fast acceleration and velocity estimation for wideband stretching LFM radars based on mutual bias correction［J］.IEEE Sensors Journal,2020,20(15):8683-8697.

[11] [11] ZHANG K,LI L L,YU P P,et al.Quantum entangled fractional Fourier transform based on the IWOP technique［J］.Chinese Physics B,2023,32(4):201-206.

[12] [12] COWELL D M J,FREEAR S.Separation of overlapping linear frequency modulated (LFM) signals using the fractional Fourier transform［J］.IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2010, 57(10):2324-2333.

[14] [14] XIA X G.Discrete chirp-Fourier transform and its application to chirp rate estimation［J］.IEEE Transactions on Signal Processing,2000,48(11):3122-3133.

[15] [15] CAPUS C,BROWN K.Fractional Fourier transform of the Gaussian and fractional domain signal support［J］.IEE Proceedings-Vision,Image and Signal Processing,2003,150(2):99-106.

[18] [18] CARLSON B D.Covariance matrix estimation errors and diagonal loading in adaptive arrays［J］.IEEE Transactions on Aerospace and Electronic Systems,1988,24(4):397-401.

[19] [19] YANG J,LIU C F.Improved mainlobe interference suppression based on blocking matrix preprocess［J］.Journal of Electrical and Computer Engineering,2015,2015(3):1-8.