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Line 161: More sophisticated methods of generating new Costas arrays by deleting rows and columns of existing Costas arrays that were generated by the Welch, Lempel or Golomb generators were published in 1992.<ref>Solomon W. Golomb, ''The T_4and G_4 Constructions for Costas Arrays'', IEEE Transactions on Information Theory, volume 38 (1992), pp 1404-1406.</ref> There is no upper limit on the order for which these generators will produce Costas arrays. ===Other ~~Methods~~methods=== Two methods that found Costas arrays up to order 52 using more complicated methods of adding or deleting rows and columns were published in 2004<ref>Scott Rickard, ''Searching for Costas Arrays using Periodicity Properties'', IMA International Conference on Mathematics in Signal Processing (2004)</ref> and 2007<ref>James K. Beard, Jon C. Russo and Keith G. Erickson and Michael C. Monteleone and Michael T. Wright, ''Costas array generation and search methodology'', IEEE Transactions on Aerospace and Electronic Systems, volume 43 number 2, April 2007, pp ~~522-538~~522–538, [https://doi.org/10.1109/TAES.2007.4285351 DOI: 10.1109/TAES.2007.4285351]</ref> == See also ==

Costas array: Difference between revisions