Counterexample of truncated Costas optical orthogonal codes

The following results are proven in this paper: 1) neither periodic autonor cross-correlation of the truncated Costas optical orthogonal code (TC OOC) is upper bounded by 1; 2) TC OOC is a class of (/spl omega/(2p-3), /spl omega/,2,2) optical orthogonal codes.