[2] ChenK M, ChangC C. High-capacity Separable Reversible Data-hiding Method in Encrypted Images based on Block-level Encryption and Huffman Compression Coding[J]. Connection Science, 2021, 33(4):975-994.
[5] SunD, HongX, CuiH. A Kalman-based Doppler Tracking Algorithm for Underwater Acoustic Spread Spectrum Communications[J]. Applied Acoustics, 2021, 185:108374.
[6] YangG, ZhouF, LouY, et al. Double-differential Coded M-ary Direct Sequence Spread Spectrum for Mobile Underwater Acoustic Communication System[J]. Applied Acoustics, 2021, 183:108303.