[Authors] V. N. Malozemov, S. M. Masharsky, and K. Yu. Tsvetkov [Title] Frank signal and its generalizations [AMS Subj-class] 42C10 Fourier series in special orthogonal functions [Abstract] Basing on Frank signal, two infinite sets of signals are constructed. Cyclic and $n$-adic shifts of those signals form orthogonal bases. [Comments] Russian, 11 pp. [Contact e-mail] malv@gamma.math.spbu.ru smash@scientist.com