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** Description:** Grounded, that due to presentation of binary array as integral structure as a cascade structural number which satisfies with a limit on the number of carouses of units and on the dynamic range of code-numbers of one-dimensional floating structural numbers (OFSN) additional reduction of structural surplus is provided. A theorem is proved about forming of code number for a cascade structural number. Shown, that amount of digits on presentation of binary column, which is examined as an element of cascade structural number less than, than amount of digits on presentation of that column, but which is examined as an one-dimensional floating structural number.

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Keywords:
** unidimensional floating structural number, cascade structural number

Poliakov, P.F., Barannik, V.V. and Khakhanova, H.V. (2008), “Stysnennia dviikovykh struktur na osnovi kaskadnoho koduvannia u telekomunikatsiinykh systemakh”,