5Greco M, Bordoni F, Gini F. X-Band Sea-Clutter Nonsta- tionarity: Influence of Long Waves[J]. IEEE Journal of Oce- anic Engineering, 2004, 29(2): 269-283.
6Okello N, Ristic B. Maximum likelihood registration for mul- tiple dissimilar radars[J] IEEE Transactions on Aerospace and Electronic Systems, 2003, 39(3): 1074-1083.
