ARSCOM
2008
13 years 11 months ago
2008
We present 3 open challenges in the field of Costas arrays. They are: a) the determination of the number of dots on the main diagonal of a Welch array, and especially the maximal ...
CISS
2008
IEEE
14 years 5 months ago
2008
IEEE
—We investigate the generalization of the Costas property in 3 or more dimensions, and we seek an appropriate definition. We offer a construction method based on the idea of res...
CISS
2008
IEEE
14 years 5 months ago
2008
IEEE
—We investigate the distance vectors contained in individual and in pairs of Costas arrays, and prove some rigorous results in the case of the algebraically constructed ones. Ove...
CISS
2008
IEEE
14 years 5 months ago
2008
IEEE
—The results of 2 experiments in Costas arrays are presented, for which theoretical explanation is still not available: the number of dots on the main diagonal of exponential Wel...
CISS
2008
IEEE
14 years 5 months ago
2008
IEEE
—Permutations of order N are generated using polynomials in a Galois field GF(q) where q > N+1, which can be written as a linear transformation on a vector of polynomial coeff...