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The constructions relate to various topics such as pulse compression and image encodings. 313 ... A number of special Baumert-Hall sets of units, including an infinite class, are constructed here; these give the densest known classes of Hadamard matrices. ... have recently been considered in connection with surface wave encodings. ...doi:10.1016/0097-3165(74)90056-9 fatcat:w4hnqh6fmvfrvgudj7vreqkdf4
J. 10577 Hadamard matrices, Baumert-Hall units, four-symbol sequences, pulse compression, and surface wave encodings. J. Combinatorial Theory Ser. A 16 (1974), 313-333. ... in con- nection with pulse compression and surface wave encod- ings. ...
Previously, we have shown that the H-SEARCH; which is the problem of finding a Hadamard matrix (H-matrix) among all possible binary matrices of corresponding order, is a hard problem that can be solved ... This method is potentially capable to find some unknown H-matrices of practical and scientific interests, where a classical computer alone cannot do because of the exponential grow of the complexity. ... Thoughts on inverse orthogonal matrices, simultaneous sign successions, and tessellated ...arXiv:2009.10919v2 fatcat:ivncmgovavhldlt5rqaiu7vwla
Proceedings IEEE International Symposium on Information Theory,
A recursive construction is provided for sequence sets which possess good Hamming Distance and low Peak-to-Average Power Ratio (PAR) with respect to any Local Unitary Unimodular Transform (including all ... one and multi-dimensional Discrete Fourier Transforms). ... .: Hadamard matrices, Baumert-Hall units, four-symbol sequences, pulse compression, and surface wave encodings J. Comb. Theory Ser. ...doi:10.1109/isit.2002.1023511 fatcat:6v6tzgwkbrdf5aycm4r4s5gsga