[3] [3] JIN K, LAI T, WANG Y B, et al. Radar coherent detection for Doppler-ambiguous maneuvering target based on product scaled periodic Lv’s distribution [J]. Signal Processing, 2020, 174(15):107617.

[4] [4] ULHA O, TANIK Y. Low complexity keystone transform and radon Fourier transform utilizing Chirp-Z transform [J]. IEEE Access, 2020, 8:105535-105541.

[9] [9] WANG N, ZHOU M, ZHONG B, et al. Wideband signal DOA estimation method based on keystone transform [C]//IET International Radar Conference. Shanghai: IET, 2019: 7713-7716.

[15] [15] COHEN L. The scale representation [J]. IEEE Transactions on Signal Processing, 1993, 41(12):3275-3292.

[18] [18] BIGOT J, GAMBOA F, VIMOND M. Estimation of translation, rotation, and scaling between noisy images using the Fourier-Mellin transform [J]. SIAM Journal on Imaging Science, 2009, 2(2):614-645.

[19] [19] ZHOU N R, LI H L, WANG D, et al. Image compression and encryption scheme based on 2D compressive sensing and fractional Mellin transform [J]. Optics Communica-tions, 2015, 343:10-21.

[21] [21] LIANG Y, WANG H X, ZHANG L, et al. An approach to forward looking FMCW radar imaging based on two-dimensional Chirp-Z transform [J]. Science China, 2010, 53(8):1653-1665.