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C. Wall (1978)
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Algebra
P. Fan, M. Darnell (1996)
SEQUENCE DESIGN FOR COMMUNICATIONS APPLICATIONS
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Polyphase codes with good nonperiodic correlation propertiesIEEE Trans. Inf. Theory, 9
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Fermat's Last Theorem: A Genetic Introduction to Algebraic Number Theory
(2001)
Mnogochleny (Polynomials), Moscow: Mos
David Cox, J. Little, D. O'Shea (1997)
Ideals, varieties, and algorithms - an introduction to computational algebraic geometry and commutative algebra (2. ed.)
V.V. Prasolov (2001)
Mnogochleny (Polynomials)
New families of unimodular sequences of length p = 3f + 1 with zero autocorrelation are described, p being a prime. The construction is based on employing Gauss periods. It is shown that in this case elements of the sequences are algebraic numbers defined by irreducible polynomials over ℤ of degree 12 (for the first family) and 6 (for the second family). In turn, these polynomials are factorized in some extension of the field ℚ into polynomials of degree, respectively, 4 and 2, which are written explicitly. For p = 13, using the exhaustive search method, full classification of unimodular sequences with zero autocorrelation is given.
Problems of Information Transmission – Springer Journals
Published: Oct 13, 2004
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